Oracle EM 24ai Installation on Linux 8: Step-by-Step Guide

10/8/25, 4:19 PM ORACLE DBA Home++About Me Oracle Oracle Enterprise Manager 24ai Installation on Linux 8  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai  Contact  Me Interview Questions  Home  Oracle Enterprise Manager 24ai Installation on OEL 8.10  Oracle Enterprise Manager 24ai Installation on Linux 8 Oracle Enterprise Manager 24ai Installation on Linux 8 Author -  Rupesh Ghubade  May 11, 2025  22 minute read 1   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 1/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Environment Configuration Details: OEM Software Version: Oracle Enterprise Manager Cloud Control 24ai Release 1 (24.1.0.0.0) Operating System: Oracle Linux 8.10 64 Bit OEM 24ai Installation Step by Step: Part -1 : Software Downloads - Virtual Box and Linux Operating Setups. Part -2 : Installing VirtualBox and Operating System (OEL 8.10 64 Bit). Part -3 : Repository Database Creation Part-4 : OEM Installation https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  2/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Part-4 : OEM Installation Step 1: Download OEM Setup files from Oracle.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 3/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 4/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  RUPESH ANANT GHUBADE  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 5/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai BLOG FOR FRESHERS AND EXPERIENCED Interview Questions Contact Me  Focusing on identifying the problem rather than finding a solution. TOP 60 BLOG TOTAL PAGEVIEWS 669053  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html F ll (59) N t 6/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Followers (59) Next Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Follow POPULAR POSTS ORA-01035: WITH RESTRICTED ORACLESESSION ONLY AVAILABLE PRIVILEGETO USERS Resolving ORA-01035: Restricted Session Privilege Error By - Rupesh Ghubade in  January 28, 2024 Activating Physical Standby Database in  January 02, 2024 Oracle Database 23ai  Latest Long Term Release  May 04, 2024 https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 7/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Me  DR DrillContact : Performing Switchover and  June 23, 2017 Installing Oracle Database 23ai on Linux 8  May 16, 2024 SOCIAL NETWORKS  facebook  whatsapp  instagram  youtube MOST RECENT ENQ: TX - ALLOCATE ITL ENTRY  enq: TX - allocate ITL entry https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 8/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai By - Rupesh Ghubade in  September 16, 2025 Interview Questions Contact Me  Oracle Enterprise Manager 24ai Installation  May 11, 2025 enq: TX – Row Lock Contention Handled in  September 21, 2025 OEM 24ai Repository Database Creation Step  May 12, 2025 INS-08101 Unexpected error while executing the  April 29, 2025 Powered by Blogger https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  9/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Rupesh Ghubade in Automatic Transaction Rollback - A new feature in enq: TX – Row Lock Contention Handled in Oracle 23ai  September 21, 20250   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 10/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Step 2: Transfer OEM Setup files to target server and extract the setup files. [oracle@oemdb oracle]$ id uid=1001(oracle) gid=1002(oinstall) groups=1002(oinstall),1003(dba) [oracle@oemdb ~]$ cd /u01/app/oracle [oracle@oemdb oracle]$ ls -ltr drwxr-xr-x. 3 oracle oinstall 20 Feb 27 11:45 product drwxr-xr-x 2 oracle oinstall 6 Feb 27 13:26 checkpoints drwxrwxr-x 23 oracle oinstall 4096 Feb 27 13:26 diag drwxr-x--3 oracle oinstall 17 Feb 27 14:12 admin drwxr-x--3 oracle oinstall 17 Feb 27 14:14 audit  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 11/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home drwxr-x--- About Me Oracle  DB Monitoring 5 oracle oinstall ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  47 Feb 27 14:14 cfgtoollogs Directory Structure Creation export OMS_HOME=/u01/app/oracle/middleware export AGENT_HOME=/u01/app/oracle/agent [oracle@oemdb oracle]$ mkdir middleware agent [oracle@oemdb oracle]$ ls -ltr drwxr-xr-x. 3 oracle oinstall 20 Feb 27 11:45 product drwxr-xr-x 2 oracle oinstall 6 Feb 27 13:26 checkpoints drwxrwxr-x 23 oracle oinstall 4096 Feb 27 13:26 diag drwxr-x--3 oracle oinstall 17 Feb 27 14:12 admin drwxr-x--3 oracle oinstall 17 Feb 27 14:14 audit drwxr-x--5 oracle oinstall 47 Feb 27 14:14 cfgtoollogs  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 12/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home drwxr-xr-x drwxr-xr-x About Me Oracle  DB Monitoring 2 oracle oinstall 2 oracle oinstall ORA-Errors 6 Mar 6 Mar DB Scenarios Oracle DB 23ai Interview Questions Contact Me  6 10:16 middleware 6 10:16 agent [root@oemdb ~]# cd /media/sf_Softwares/OEM/OEM_24/ [root@oemdb OEM_24]# ls -ltr -rwxrwx--- 1 root vboxsf 1669545916 Feb 01.zip -rwxrwx--- 1 root vboxsf 1921746284 Feb 01.zip -rwxrwx--- 1 root vboxsf 1624006261 Feb 01.zip -rwxrwx--- 1 root vboxsf 1532547469 Feb 01.zip https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 6 15:05 V10469556 15:06 V10469536 15:06 V10469516 15:08 V1046952 13/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 -rwxrwx--- 1 root vboxsf 1679195404 Feb 6 15:08 V1046954 DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai 01.zip Home About Me Oracle Interview Questions Contact Me  [root@oemdb OEM_24]# cp V* /home/oracle/setup [root@oemdb setup]# chmod 777 * [root@oemdb setup]# ls -ltr -rwxrwxrwx 1 root root 1624006261 Mar 01.zip -rwxrwxrwx 1 root root 1532547469 Mar 01.zip -rwxrwxrwx 1 root root 1921746284 Mar 01.zip -rwxrwxrwx 1 root root 1679195404 Mar 01.zip -rwxrwxrwx 1 root root 1669545916 Mar 01.zip 6 10:20 V10469516 10:22 V10469526 10:23 V10469536 10:26 V10469546 10:31 V1046955- Extract the setup files by oracle user. Once the extract is done, you can remove the setup files. [oracle@oemdb setup]$ id uid=1001(oracle) gid=1002(oinstall) groups=1002(oinstall),1003(dba) [oracle@oemdb setup]$ unzip V1046951-01.zip Archive: V1046951-01.zip inflating: em24100_linux64.bin https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  14/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8  Home About Me Oracle DB Monitoring ORA-Errors [oracle@oemdb setup]$ unzip V1046952-01.zip DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Archive: V1046952-01.zip extracting: em24100_linux64-2.zip [oracle@oemdb setup]$ unzip V1046953-01.zip Archive: V1046953-01.zip extracting: em24100_linux64-3.zip [oracle@oemdb setup]$ unzip V1046954-01.zip Archive: V1046954-01.zip extracting: em24100_linux64-4.zip [oracle@oemdb setup]$ unzip V1046955-01.zip Archive: V1046955-01.zip extracting: em24100_linux64-5.zip [oracle@oemdb setup]$ ls -ltr -r--r--r-- 1 oracle oinstall 1532547277 Dec em24100_linux64-2.zip -r--r--r-- 1 oracle oinstall 1921746092 Dec em24100_linux64-3.zip -r--r--r-- 1 oracle oinstall 1669545724 Dec em24100_linux64-5.zip -r-xr-xr-x 1 oracle oinstall 1624325096 Dec em24100_linux64.bin -rwxrwxrwx 1 root root 1624006261 Mar V1046951-01.zip https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 5 15:50 5 15:50 5 15:52 5 15:53 6 10:20  15/112 10/8/25, 4:19 PM -rwxrwxrwx 1 root Home About Me V1046952-01.zip -rwxrwxrwx 1 root V1046953-01.zip -rwxrwxrwx 1 root V1046954-01.zip -rwxrwxrwx 1 root V1046955-01.zip Oracle Enterprise Manager 24ai Installation on Linux 8 root 1532547469 Mar 6 10:22 root 1921746284 Mar 6 10:23 root 1679195404 Mar 6 10:26 root 1669545916 Mar 6 10:31 Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  [oracle@oemdb setup]$ rm V*.zip [oracle@oemdb setup]$ ls -ltr -r--r--r-- 1 oracle oinstall 1532547277 Dec em24100_linux64-2.zip -r--r--r-- 1 oracle oinstall 1921746092 Dec em24100_linux64-3.zip -r--r--r-- 1 oracle oinstall 1669545724 Dec em24100_linux64-5.zip -r-xr-xr-x 1 oracle oinstall 1624325096 Dec em24100_linux64.bin 5 15:50 5 15:50 5 15:52 5 15:53 Step 3: Run OEM EMPPREREQ_KIT to check the prerequisites before instaling OEM. This will not perform the installation, instead it is pre-requisites checks.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 16/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  The EM Prerequisite Kit runs OEM repository prerequisites checks to ensure that you meet all the requirements for installing or upgrading OEM. This also takes care of corrective actions automatically when a prerequisite check fails. The EM Prerequisite Kit is also run internally by the OEM Installation Wizard while installing or upgrading OEM, but if you want to run this before installation,you can do it by passing parameter "EMPREREQ_KIT=true". The EM Prerequisites Kit does not perform installation, instead it shows the missing or successful checks. By oracle user,execute below command. [oracle@oemdb ]$ cd /home/oracle/setup [oracle@oemdb setup]$ ./em24100_linux64.bin EMPREREQ_KIT=true  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 17/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 18/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 19/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 20/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 21/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 22/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 23/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 24/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 25/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 26/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Step 4: Perform pre-requisites before installing OEM 24ai.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 27/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  A) Certification Matrix: Enterprise Manager Base Platform - OMS 24.1.0.0.0 is certified on Linux x86-64 Oracle Linux 8.x Current Operating System : Oracle Enterprise Linux 8.10 64 Bit B) Hardware Requirement: Oracle Enterprise Manager 24ai - OEL 8.10 64 Bit Resource Simple Installation Advanced Installation (SMALL) Advanced Installation (MEDIUM) Advanced Installation (LARGE) CPU RAM (GB) /u01 /tmp 2 10 28 14 4 10 28 14 6 12 28 14 6 or 12 24 or 12 28 or 28 14 or 14 B) Kernel Parameters and Shell Limits.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 28/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  [root@oemdb ~]# id uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 [root@oemdb ~]# vi /etc/sysctl.conf [root@oemdb ~]# cat /etc/sysctl.conf | grep -v "#" fs.file-max = 6815744 kernel.sem = 250 32000 100 128 kernel.shmmni = 4096 kernel.shmall = 1073741824 kernel.shmmax = 4398046511104 kernel.panic_on_oops = 1 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 29/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  net.ipv4.conf.all.rp_filter = 2 net.ipv4.conf.default.rp_filter = 2 fs.aio-max-nr = 1048576 net.ipv4.ip_local_port_range = 9000 65500 #Command to reflect changes. [root@oemdb ~]# sysctl -p fs.file-max = 6815744 kernel.sem = 250 32000 100 128 kernel.shmmni = 4096 kernel.shmall = 1073741824 kernel.shmmax = 4398046511104 kernel.panic_on_oops = 1 net.core.rmem_default = 262144 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.core.wmem_max = 1048576 net.ipv4.conf.all.rp_filter = 2 net.ipv4.conf.default.rp_filter = 2 fs.aio-max-nr = 1048576 net.ipv4.ip_local_port_range = 9000 65500  #Changes in limits.conf file for oracle user https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 30/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 [root@oemdb ~]# About id Me Home Oracle  DB Monitoring ORA-Errors DB Scenarios uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 Oracle DB 23ai Interview Questions Contact Me  [root@oemdb ~]# vi /etc/security/limits.conf [root@oemdb ~]# cat /etc/security/limits.conf | grep -v "#" oracle oracle oracle oracle oracle oracle oracle oracle oracle oracle soft hard soft hard soft hard hard soft soft hard nofile 1024 nofile 65536 nproc 16384 nproc 16384 stack 10240 stack 32768 memlock 134217728 memlock 134217728 data unlimited data unlimited C) Repository Database Parameter Changes 1) Compatible Parameter: Recommendation : The compatible instance parameter must be set to the same version value as the database instance of the EM repository. 2) db_block_size: Recommendation : The db_block_size instance parameter needs to be set to 8192. 3) Processes : Recommendation : The processes parameter needs to be set to at least 300. 4) pga_aggregate_target: Recommendation : The pga_aggregate_target parameter should be set to at least 191 MB. 5) workarea_size_policy: https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  31/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Recommendation : The workarea_size_policy parameter should be allowed to default. The default value is AUTO. Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  6) session_cached_cursors: Recommendation : The session_cached_cursors parameter should be set to any value between 200 and 500. 7) open_cursors: Recommendation : The open_cursors instance parameter should be set at least 300. 8) sga_target: Recommendation : The sga_target instance parameter should be set to at least 763 MB, and twice the size of the pga_aggregate_target setting. 9) log_buffer: Recommendation : The log_buffer instance parameter should be set to at least 977 KB. 10) shared_pool_size: Recommendation : The shared_pool_size instance parameter should be set to at least 429 MB or one third of the sga_target size. 11) db_cache_size : Recommendation : The db_cache_size instance parameter should be allowed to default. The default value is TRUE. 12) large_pool_size : Recommendation : The large_pool_size instance parameter should be allowed to default. The default value is TRUE. 13 java_pool_size : Recommendation : The java_pool_size instance parameter should be allowed to default. The default value is TRUE. 14 streams_pool_size : Recommendation : The streams_pool_size instance parameter should be allowed to default. The default value is TRUE.  15) timed_statistics : https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 32/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8  Home: TheAbout Me Oracle DB Monitoring DB Scenarios Oracle Recommendation timed_statistics instance parameter shouldORA-Errors be allowed to default or it should be DB 23ai Interview Questions Contact Me  set to TRUE, which is the default value. 16) statistics_level : Recommendation : The statistics_level instance parameter should be allowed to default. It should never be set to BASIC. 17) redo log size : Recommendation : The size of the EM database instance should be 48 MB or greater. Generally, there should be 3 or more redo logs available of this size. 18) _allow_insert_with_update_check: Recommendation : This parameter should be TRUE for enabling backward compatibility in policy setting. This can be set to FALSE after the Installation is complete. 19) Invalid Objects: Recommendation: Compile invalid objects in the database selected for the EM Repository. 20) job_queue_processes : Recommendation : The job_queue_processes instance parameter should be at least 20. 21) nls_length_semantics : Recommendation : Set nls_length_semantics to BYTE. 22) UNDO management : Recommendation : Set UNDO management to automatic 23) Autoextensibility for UNDO, SYSTEM, TEMP: Recommendation : Ensure that the undo tablespace has at least one datafile set to autoextensible. Ensure that the SYSTEM tablespace has at least one datafile set to autoextensible. Ensure that the TEMP tablespace has at least one tempfile set to autoextensible. 24) Partitioning Option : Recommendation : Install the partitioning option on the EM repository database. 25) remote_login_passwordfile:  Recommendation: https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 33/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8  Home About Me Oracle DB Monitoring ORA-Errors DB Scenarios 26) SYSMAN and SYSMAN_STB schema availability: Recommendation : SYSMAN and SYSMAN_STB schemas should be absent before installing. Oracle DB 23ai Interview Questions Contact Me  27) Public Synonyms Existence: Recommendation : Remove the public synonyms. 28) Mgmt Tablespaces Existence: Recommendation : Remove the public synonyms. 29) EM schemas Existence: Recommendation : Remove the EM schemas. 30) SQL Plan Baseline Capture: Recommendation : The EM repository database instance parameter optimizer_capture_sql_plan_baselines must be set to FALSE (or default) for EM. 31) TEMP Tablespace Existence: Recommendation : EM Deployment needs temporary tablespace TEMP. 32) All Adaptive Features Parameters: Recommendation : All adaptive features parameters should be unset for improved SQL performance. alter system reset "_optimizer_nlj_hj_adaptive_join" scope=both sid='*'; alter system reset "_optimizer_strans_adaptive_pruning" scope=both sid='*'; alter system reset "_px_adaptive_dist_method" scope=both sid='*'; alter system reset "_sql_plan_directive_mgmt_control" scope=both sid='*'; alter system reset "_optimizer_dsdir_usage_control" scope=both sid='*'; alter system reset "_optimizer_use_feedback" scope=both sid='*'; alter system reset "_optimizer_gather_feedback" scope=both sid='*'; alter system reset "_optimizer_performance_feedback" scope=both sid='*'; D) Repository DB Listener: Recommendation: Repository database listener should be running to connect Repository DB through OEM portal. https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  34/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home AboutforMe E) Required RPM Packages LinuxOracle 8 :  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Recommendation: Below RPM packages should be installed on Linux 8 server before installing OEM. Interview Questions Contact Me  Package Requirements for Oracle Management Service (Oracle Linux 8) : make-4.2.1-9.el8 binutils-2.30-49.0.2.el8 gcc-8.2.1-3.5.0.1.el8 libaio-0.3.110-12.el8.x86_64 libstdc++-8.2.1-3.5.0.1.el8.x86_64 sysstat-11.7.3-2.el8 glibc-devel-2.17.x86_64 libXtst-1.2.3-7.el8.x86_64 Package Requirements for Oracle Management Agent (Oracle Linux 8) : binutils-2.30-49.0.2.el8 glibc-common-2.17-55 libaio-0.3.110-12.el8.x86_64 libstdc++-8.2.1-3.5.0.1.el8.x86_64 libnsl.x86_64 sysstat-11.7.3-2.el8 make-4.2.1-9.el8 F) Minimum Patchset Version Please note that the monimum patch release is 19.22 to install OEM 24ai. [oracle@oemdb PATCH]$ su Password: [root@oemdb ~]# cd /media/sf_Softwares/Oracle_19c/ [root@oemdb Oracle_19c]# ll https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  35/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 -rwxrwx--- 1 root vboxsf 3369893688 Mar 17 19:27 p36916690_190000_LinuxHome About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai x86-64.zip -rwxrwx--- 1 root vboxsf 131979850 Mar 17 19:32 p6880880_190000_Linuxx86-64.zip Interview Questions Contact Me  [root@oemdb Oracle_19c]# cp p* /u01/PATCH [oracle@oemdb PATCH]$ su Password: [root@oemdb Oracle_19c]# cd /u01/PATCH/ [root@oemdb PATCH]# ll -rwxr-x--- 1 root root 3369893688 Mar 17 19:41 p36916690_190000_Linuxx86-64.zip -rwxr-x--- 1 root root 131979850 Mar 17 19:41 p6880880_190000_Linux-x8664.zip [root@oemdb PATCH]# chmod 777 p* [root@oemdb PATCH]# ll -rwxrwxrwx 1 root root 3369893688 Mar 17 19:41 p36916690_190000_Linuxx86-64.zip -rwxrwxrwx 1 root root 131979850 Mar 17 19:41 p6880880_190000_Linux-x8664.zip [root@oemdb PATCH]# exit logout [oracle@oemdb PATCH]$ id uid=1001(oracle) gid=1002(oinstall) groups=1002(oinstall),1003(dba) [oracle@oemdb PATCH]$ df -TH . Filesystem Type Size /dev/mapper/ol-root xfs 52G Used Avail Use% Mounted on 26G 27G 50% / [oracle@oemdb PATCH]$ ls -ltr https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  36/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me 3369893688 Oracle  DB Monitoring DB Scenarios Oracle DB 23ai -rwxrwxrwx 1 root root Mar 17 19:41ORA-Errors p36916690_190000_Linuxx86-64.zip -rwxrwxrwx 1 root root 131979850 Mar 17 19:41 p6880880_190000_Linux-x8664.zip Interview Questions Contact Me  [oracle@oemdb PATCH]$ cp p6880880_190000_Linux-x86-64.zip /u01/app/oracle/product/19.0.0/dbhome_1/ [oracle@oemdb PATCH]$ cd /u01/app/oracle/product/19.0.0/dbhome_1/ [oracle@oemdb dbhome_1]$ cd OPatch [oracle@oemdb OPatch]$ ./opatch version OPatch Version: 12.2.0.1.17 OPatch succeeded. [oracle@oemdb OPatch]$ cd .. [oracle@oemdb dbhome_1]$ mv OPatch OPatch_old [oracle@oemdb dbhome_1]$ unzip p6880880_190000_Linux-x86-64.zip Archive: p6880880_190000_Linux-x86-64.zip creating: OPatch/ creating: OPatch/auto/ creating: OPatch/auto/database/ creating: OPatch/auto/database/bin/ inflating: OPatch/auto/database/bin/BootStrapping.pl .... creating: OPatch/oracle_common/ creating: OPatch/oracle_common/modules/ inflating: OPatch/oracle_common/modules/com.oracle.glcm.commonlogging_1.6.5.0.jar inflating: OPatch/oracle_common/modules/common-logging-config.jar inflating: OPatch/datapatch https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  37/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 [oracle@oemdb dbhome_1]$ Home About Me Oracle  DB Monitoring [oracle@oemdb dbhome_1]$ cd OPatch [oracle@oemdb OPatch]$ ./opatch version ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  OPatch Version: 12.2.0.1.45 OPatch succeeded. [oracle@oemdb dbhome_1]$ rm -rf p6880880_190000_Linux-x86-64.zip [oracle@oemdb dbhome_1]$ cd /u01/PATCH/ [oracle@oemdb PATCH]$ ll -rwxrwxrwx 1 root root 3369893688 Mar 17 19:41 p36916690_190000_Linuxx86-64.zip -rwxrwxrwx 1 root root 131979850 Mar 17 19:41 p6880880_190000_Linux-x8664.zip [oracle@oemdb PATCH]$ unzip p36916690_190000_Linux-x86-64.zip Archive: p36916690_190000_Linux-x86-64.zip creating: 36916690/ creating: 36916690/36917416/ creating: 36916690/36917416/etc/ creating: 36916690/36917416/etc/config/ ... inflating: 36916690/automation/bp1-rollback-inplace-non-rollingautomation.xml inflating: 36916690/automation/messages.properties inflating: 36916690/README.txt inflating: 36916690/README.html inflating: 36916690/bundle.xml inflating: PatchSearch.xml [oracle@oemdb PATCH]$  [oracle@oemdb PATCH]$ ll https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 38/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About oinstall Me Oracle  DB Monitoring DB Scenarios Oracle DB 23ai drwxr-x--8 oracle 159 Oct 11ORA-Errors 11:16 36916690 -rwxrwxrwx 1 root root 3369893688 Mar 17 19:41 p36916690_190000_Linux-x86-64.zip -rwxrwxrwx 1 root root 131979850 Mar 17 19:41 p6880880_190000_Linux-x86-64.zip -rw-rw-r-- 1 oracle oinstall 2537084 Oct 15 20:06 PatchSearch.xml Interview Questions Contact Me  [oracle@oemdb PATCH]$ cd 36916690 [oracle@oemdb 36916690]$ ll drwxr-x--- 4 oracle oinstall 48 Oct 11 11:17 36758186 drwxr-x--- 5 oracle oinstall 81 Oct 11 11:17 36912597 drwxr-x--- 5 oracle oinstall 62 Oct 11 11:17 36917397 drwxr-x--- 5 oracle oinstall 62 Oct 11 11:16 36917416 drwxr-x--- 4 oracle oinstall 48 Oct 11 11:17 36940756 drwxr-x--- 2 oracle oinstall 4096 Oct 11 11:20 automation -rw-rw-r-- 1 oracle oinstall 5824 Oct 11 17:13 bundle.xml -rw-r--r-- 1 oracle oinstall 134032 Oct 14 15:31 README.html -rw-r--r-- 1 oracle oinstall 0 Oct 11 11:20 README.txt [oracle@oemdb 36916690]$ cd 36912597 [oracle@oemdb 36912597]$ ll drwxr-x--- 3 oracle oinstall 21 Oct 11 11:20 custom drwxr-x--- 3 oracle oinstall 20 Oct 11 11:20 etc drwxr-x--- 46 oracle oinstall 4096 Oct 11 11:17 files -rw-rw-r-- 1 oracle oinstall 88918 Oct 15 15:05 README.html -rw-r--r-- 1 oracle oinstall 21 Oct 11 11:20 README.txt [oracle@oemdb 36912597]$ . oraenv ORACLE_SID = [oracle] ? oem The Oracle base has been set to /u01/app/oracle [oracle@oemdb 36912597]$ https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  39/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 [oracle@oemdb 36912597]$ env | grep ORA Home About Me Oracle  DB Monitoring ORA-Errors ORACLE_SID=oem ORACLE_BASE=/u01/app/oracle ORACLE_HOME=/u01/app/oracle/product/19.0.0/dbhome_1 DB Scenarios Oracle DB 23ai Interview Questions Contact Me  [oracle@oemdb 36912597]$ export PATH=$ORACLE_HOME/OPatch:$PATH [oracle@oemdb 36912597]$ opatch prereq CheckConflictAgainstOHWithDetail ph ./ Oracle Interim Patch Installer version 12.2.0.1.45 Copyright (c) 2025, Oracle Corporation. All rights reserved. PREREQ session Oracle Home : /u01/app/oracle/product/19.0.0/dbhome_1 Central Inventory : /u01/app/oraInventory from : /u01/app/oracle/product/19.0.0/dbhome_1/oraInst.loc OPatch version : 12.2.0.1.45 OUI version : 12.2.0.7.0 Log file location : /u01/app/oracle/product/19.0.0/dbhome_1/cfgtoollogs/opatch/opatch2025-0317_19-55-00PM_1.log Invoking prereq "checkconflictagainstohwithdetail" Prereq "checkConflictAgainstOHWithDetail" passed. OPatch succeeded. [oracle@oemdb 36912597]$ [oracle@oemdb 36912597]$ opatch apply Oracle Interim Patch Installer version 12.2.0.1.45 Copyright (c) 2025, Oracle Corporation. All rights reserved. https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  40/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Oracle Home : /u01/app/oracle/product/19.0.0/dbhome_1 Central Inventory : /u01/app/oraInventory from : /u01/app/oracle/product/19.0.0/dbhome_1/oraInst.loc OPatch version : 12.2.0.1.45 OUI version : 12.2.0.7.0 Log file location : /u01/app/oracle/product/19.0.0/dbhome_1/cfgtoollogs/opatch/opatch2025-0317_19-56-53PM_1.log Verifying environment and performing prerequisite checks... OPatch continues with these patches: 36912597 Do you want to proceed? [y|n] y User Responded with: Y All checks passed. Please shutdown Oracle instances running out of this ORACLE_HOME on the local system. (Oracle Home = '/u01/app/oracle/product/19.0.0/dbhome_1') Is the local system ready for patching? [y|n] y User Responded with: Y Backing up files... Applying interim patch '36912597' to OH '/u01/app/oracle/product/19.0.0/dbhome_1' ApplySession: Optional component(s) [ oracle.network.gsm, 19.0.0.0.0 ] , [ oracle.crypto.rsf, 19.0.0.0.0 ] , [ oracle.pg4appc, 19.0.0.0.0 ] , [ oracle.pg4mq, 19.0.0.0.0 ] , [ oracle.precomp.companion, 19.0.0.0.0 ] , [ oracle.rdbms.ic, 19.0.0.0.0 ] , [ oracle.rdbms.tg4db2, 19.0.0.0.0 ] , [ https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  41/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 oracle.tfa, 19.0.0.0.0 ] , [ oracle.sdo.companion, 19.0.0.0.0 ] , [  [ DB Home About Me Oracle Monitoring ORA-Errors DB Scenarios oracle.net.cman, 19.0.0.0.0 ] , oracle.oid.client, 19.0.0.0.0 ] , [Oracle DB 23ai oracle.xdk.companion, 19.0.0.0.0 ] , [ oracle.options.olap.api, 19.0.0.0.0 ] , [ oracle.ons.eons.bwcompat, 19.0.0.0.0 ] , [ oracle.rdbms.tg4msql, 19.0.0.0.0 ] , [ oracle.network.cman, 19.0.0.0.0 ] , [ oracle.rdbms.tg4tera, 19.0.0.0.0 ] , [ oracle.rdbms.tg4ifmx, 19.0.0.0.0 ] , [ oracle.rdbms.tg4sybs, 19.0.0.0.0 ] , [ oracle.ldap.ztk, 19.0.0.0.0 ] , [ oracle.ons.cclient, 19.0.0.0.0 ] , [ oracle.options.olap, 19.0.0.0.0 ] , [ oracle.jdk, 1.8.0.191.0 ] , [ oracle.jdk, 1.8.0.391.11 ] not present in the Oracle Home or a higher version is found. Interview Questions Contact Me  Patching component oracle.rdbms, 19.0.0.0.0... Patching component oracle.rdbms.util, 19.0.0.0.0... Patching component oracle.rdbms.rsf, 19.0.0.0.0... Patching component oracle.assistants.acf, 19.0.0.0.0... Patching component oracle.assistants.deconfig, 19.0.0.0.0... Patching component oracle.assistants.server, 19.0.0.0.0... Patching component oracle.blaslapack, 19.0.0.0.0... Patching component oracle.buildtools.rsf, 19.0.0.0.0... Patching component oracle.ctx, 19.0.0.0.0... Patching component oracle.dbdev, 19.0.0.0.0...  Patching component oracle.dbjava.ic, 19.0.0.0.0... https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 42/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Patching component oracle.dbjava.jdbc, 19.0.0.0.0... Patching component oracle.dbjava.ucp, 19.0.0.0.0... Patching component oracle.duma, 19.0.0.0.0... Patching component oracle.javavm.client, 19.0.0.0.0... Patching component oracle.ldap.owm, 19.0.0.0.0... Patching component oracle.ldap.rsf, 19.0.0.0.0... Patching component oracle.ldap.security.osdt, 19.0.0.0.0... Patching component oracle.marvel, 19.0.0.0.0... Patching component oracle.network.rsf, 19.0.0.0.0... Patching component oracle.odbc.ic, 19.0.0.0.0... Patching component oracle.ons, 19.0.0.0.0... Patching component oracle.ons.ic, 19.0.0.0.0... Patching component oracle.oracore.rsf, 19.0.0.0.0... Patching component oracle.perlint, 5.28.1.0.0... Patching component oracle.precomp.common.core, 19.0.0.0.0... Patching component oracle.precomp.rsf, 19.0.0.0.0... https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  43/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Patching component oracle.rdbms.crs, 19.0.0.0.0... Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Patching component oracle.rdbms.dbscripts, 19.0.0.0.0... Patching component oracle.rdbms.deconfig, 19.0.0.0.0... Patching component oracle.rdbms.oci, 19.0.0.0.0... Patching component oracle.rdbms.rsf.ic, 19.0.0.0.0... Patching component oracle.rdbms.scheduler, 19.0.0.0.0... Patching component oracle.rhp.db, 19.0.0.0.0... Patching component oracle.rsf, 19.0.0.0.0... Patching component oracle.sdo, 19.0.0.0.0... Patching component oracle.sdo.locator.jrf, 19.0.0.0.0... Patching component oracle.sqlplus, 19.0.0.0.0... Patching component oracle.sqlplus.ic, 19.0.0.0.0... Patching component oracle.wwg.plsql, 19.0.0.0.0... Patching component oracle.xdk.rsf, 19.0.0.0.0... Patching component oracle.javavm.server, 19.0.0.0.0... Patching component oracle.xdk.xquery, 19.0.0.0.0... Patching component oracle.ctx.rsf, 19.0.0.0.0... https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  44/112 10/8/25, 4:19 PM Patching Home component Aboutoracle.ovm, Me Oracle 19.0.0.0.0... DB Monitoring Oracle Enterprise Manager 24ai Installation on Linux 8 ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Patching component oracle.oraolap, 19.0.0.0.0... Patching component oracle.nlsrtl.rsf.lbuilder, 19.0.0.0.0... Patching component oracle.rdbms.rat, 19.0.0.0.0... Patching component oracle.ldap.rsf.ic, 19.0.0.0.0... Patching component oracle.rdbms.dv, 19.0.0.0.0... Patching component oracle.xdk, 19.0.0.0.0... Patching component oracle.mgw.common, 19.0.0.0.0... Patching component oracle.ldap.client, 19.0.0.0.0... Patching component oracle.install.deinstalltool, 19.0.0.0.0... Patching component oracle.rdbms.rman, 19.0.0.0.0... Patching component oracle.oraolap.api, 19.0.0.0.0... Patching component oracle.dbtoolslistener, 19.0.0.0.0... Patching component oracle.rdbms.drdaas, 19.0.0.0.0... Patching component oracle.rdbms.hs_common, 19.0.0.0.0... Patching component oracle.rdbms.lbac, 19.0.0.0.0...  Patching component oracle.sdo.locator, 19.0.0.0.0... https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 45/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Aboutoracle.rdbms.dm, Me Oracle  DB Monitoring ORA-Errors Patching Home component 19.0.0.0.0... DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Patching component oracle.ldap.ssl, 19.0.0.0.0... Patching component oracle.xdk.parser.java, 19.0.0.0.0... Patching component oracle.odbc, 19.0.0.0.0... Patching component oracle.network.listener, 19.0.0.0.0... Patching component oracle.ctx.atg, 19.0.0.0.0... Patching component oracle.rdbms.install.common, 19.0.0.0.0... Patching component oracle.rdbms.hsodbc, 19.0.0.0.0... Patching component oracle.network.aso, 19.0.0.0.0... Patching component oracle.rdbms.locator, 19.0.0.0.0... Patching component oracle.rdbms.install.plugins, 19.0.0.0.0... Patching component oracle.nlsrtl.rsf, 19.0.0.0.0... Patching component oracle.nlsrtl.rsf.core, 19.0.0.0.0... Patching component oracle.nlsrtl.rsf.ic, 19.0.0.0.0... Patching component oracle.oraolap.dbscripts, 19.0.0.0.0... Patching component oracle.network.client, 19.0.0.0.0...  Patching component oracle.precomp.common, 19.0.0.0.0... https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 46/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Patching component oracle.precomp.lang, 19.0.0.0.0... Patching component oracle.jdk, 1.8.0.201.0... Patch 36912597 successfully applied. Sub-set patch [29517242] has become inactive due to the application of a super-set patch [36912597]. Please refer to Doc ID 2161861.1 for any possible further required actions. Log file location: /u01/app/oracle/product/19.0.0/dbhome_1/cfgtoollogs/opatch/opatch2025-0317_19-56-53PM_1.log OPatch succeeded. [oracle@oemdb 36912597]$ [oracle@oemdb 36912597]$ opatch lspatches 36912597;Database Release Update : 19.25.0.0.241015 (36912597) 29585399;OCW RELEASE UPDATE 19.3.0.0.0 (29585399) OPatch succeeded. [oracle@oemdb 36912597]$ sqlplus -v SQL*Plus: Release 19.0.0.0.0 - Production Version 19.25.0.0.0 [oracle@oemdb 36912597]$ cd /u01/PATCH [oracle@oemdb PATCH]$ ls -ltr drwxr-x--- 8 oracle oinstall -rw-rw-r-- 1 oracle oinstall 159 Oct 11 11:16 36916690 2537084 Oct 15 20:06 PatchSearch.xml https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  47/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 -rwxrwxrwx 1 root root 3369893688 Mar 17 19:41 Home About Me Oracle  DB Monitoring ORA-Errors p36916690_190000_Linux-x86-64.zip -rwxrwxrwx 1 root root 131979850 Mar 17 19:41 p6880880_190000_Linux-x86-64.zip = DB Scenarios Oracle DB 23ai Interview Questions Contact Me  [oracle@oemdb PATCH]$ rm -rf * [oracle@oemdb PATCH]$ ll total 0 Datapatch -Verbose Command: SQL> shut immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup ORACLE instance started. Total System Global Area 2415915888 bytes Fixed Size 8942448 bytes Variable Size 520093696 bytes Database Buffers 1879048192 bytes Redo Buffers 7831552 bytes Database mounted. Database opened. SQL> exit Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.25.0.0.0 [oracle@oemdb setup]$ cd $ORACLE_HOME/OPatch https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  48/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home OPatch]$ About Me ./datapatch Oracle  DB-sanity_checks Monitoring ORA-Errors [oracle@oemdb DB Scenarios Oracle DB 23ai Interview Questions Contact Me  SQL Patching sanity checks version 19.25.0.0.0 on Mon 17 Mar 2025 08:35:12 PM IST Copyright (c) 2021, 2025, Oracle. All rights reserved. Log file for this invocation: /u01/app/oracle/cfgtoollogs/sqlpatch/sanity_checks_20250317_203512_16281/ sanity_checks_20250317_203512_16281.log Running checks JSON report generated in /u01/app/oracle/cfgtoollogs/sqlpatch/sanity_checks_20250317_203512_16281/ sqlpatch_sanity_checks_summary.json file Checks completed. Printing report: Check: Database component status - OK Check: PDB Violations - OK Check: Invalid System Objects - OK Check: Tablespace Status - OK Check: Backup jobs - OK Check: Temp file exists - OK Check: Temp file online - OK Check: Data Pump running - OK Check: Container status - OK Check: Oracle Database Keystore - OK Check: Dictionary statistics gathering - OK Check: Scheduled Jobs - OK Check: GoldenGate triggers - OK Check: Logminer DDL triggers - OK Check: Check sys public grants - OK Check: Statistics gathering running - OK Check: Optim dictionary upgrade parameter - OK Check: Symlinks on oracle home path - OK https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  49/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Check: Central Inventory - OK Home About Me Oracle DB Monitoring- OK ORA-Errors DB Scenarios Oracle DB 23ai Check: Queryable Inventory dba directories Check: Queryable Inventory locks - OK Check: Queryable Inventory package - ERROR Datapatch uses Queryable Inventory to get OPatch Inventory information and create a patching installation plan. The Queryable Inventory package is not able to retrieve OPatch Inventory information. Refer to MOS Note 1602089.1 for details on verifying the Queryable Inventory package before patching. oem: | RESULT | |---------| | Failure | |---------| Check: Queryable Inventory external table - SKIPPED (ERROR) Message: Skipped as previous check wasn't executed successfully. Check: Imperva processes - OK Check: Guardium processes - OK Check: Locale - OK Interview Questions Contact Me  Refer to MOS Note 2680521.1 and debug log /u01/app/oracle/cfgtoollogs/sqlpatch/sanity_checks_20250317_203512_16281/ sanity_checks_debug_20250317_203512_16281.log SQL Patching sanity checks completed on Mon 17 Mar 2025 08:35:17 PM IST [oracle@oemdb OPatch]$ ./datapatch -verbose SQL Patching tool version 19.25.0.0.0 Production on Mon Mar 17 20:35:45 2025 Copyright (c) 2012, 2024, Oracle. All rights reserved. Log file for this invocation: /u01/app/oracle/cfgtoollogs/sqlpatch/sqlpatch_16520_2025_03_17_20_35_45/s https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  50/112 10/8/25, 4:19 PM qlpatch_invocation.log Home About Me Oracle Enterprise Manager 24ai Installation on Linux 8 Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Connecting to database...OK Gathering database info...done Bootstrapping registry and package to current versions...done Determining current state...done Current state of interim SQL patches: No interim patches found Current state of release update SQL patches: Binary registry: 19.25.0.0.0 Release_Update 241010184253: Installed SQL registry: Applied 19.3.0.0.0 Release_Update 190410122720 successfully on 27FEB-25 02.16.44.274657 PM Adding patches to installation queue and performing prereq checks...done Installation queue: No interim patches need to be rolled back Patch 36912597 (Database Release Update : 19.25.0.0.241015 (36912597)): Apply from 19.3.0.0.0 Release_Update 190410122720 to 19.25.0.0.0 Release_Update 241010184253 No interim patches need to be applied Installing patches... Patch installation complete. Total patches installed: 1 Validating logfiles...done Patch 36912597 apply: SUCCESS logfile: /u01/app/oracle/cfgtoollogs/sqlpatch/36912597/25871884/36912597_apply_OEM https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  51/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 _2025Mar17_20_36_33.log (no errors)  Hometool About Me Oracle DB Monitoring ORA-Errors SQL Patching complete on Mon Mar 17 20:44:55 2025 DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Step 5: Start OEM 24ai Installation Login by oracle user, go to the setup location and run below command to initiate the OEM GUI. [oracle@oemdb ~]$ id uid=1001(oracle) gid=1002(oinstall) groups=1002(oinstall),1003(dba) [oracle@oemdb ~]$ cd setup/ [oracle@oemdb setup]$ ls -ltr -r--r--r-- 1 oracle oinstall 1532547277 Dec 5 15:50 em24100_linux64-2.zip -r--r--r-- 1 oracle oinstall 1921746092 Dec 5 15:50 em24100_linux64-3.zip -r--r--r-- 1 oracle oinstall 1679195212 Dec 5 15:51 em24100_linux64-4.zip -r--r--r-- 1 oracle oinstall 1669545724 Dec 5 15:52 em24100_linux64-5.zip -r-xr-xr-x 1 oracle oinstall 1624325096 Dec 5 15:53 em24100_linux64.bin [oracle@oemdb setup]$ ./em24100_linux64.bin Launcher log file is /tmp/OraInstall2025-04-11_05-42-52PM/launcher2025-0411_05-42-52PM.log. Extracting the installer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Done https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  52/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8  Home About Mebe Oracle DB Monitoring DB Scenarios Checking monitor: must configured to displayORA-Errors at least 256 colors. Oracle DB 23ai Actual 16777216 Interview Questions Contact Me  Passed Checking swap space: must be greater than 512 MB. Actual 8083 MB Passed Checking if this platform requires a 64-bit JVM. Actual 64 Passed (- d64 flag is not required) Preparing to launch the Oracle Universal Installer from /tmp/OraInstall2025-04-11_05-42-52PM ......  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 53/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 54/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 55/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 56/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Please note that, I am ignoring "physical memory" option since this is testing environment. Do not ignore this for actual production environment.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 57/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 58/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 59/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 60/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Below components are default and mandatory components. Rest all are optional components. Here, we are installing default componets only.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 61/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 62/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Note down the passwords of Weblogic and Node Manager Users.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 63/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Now, you have to give proper database hostname, service, and PORT so that it can connect to repository database. Here, below are the details of OEM Repository database. Host name: oem.localdomain PORT : 1521 Service: oem https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  64/112 10/8/25, 4:19 PM Home: sys123 About Me Sys User Password Oracle Enterprise Manager 24ai Installation on Linux 8 Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 65/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  You can perform installation by non-sys user as well. Here, I am selecting default option i.e. Installation by SYS user.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 66/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  If parameters in repository database are not set to recommended values then, you will face warning or errors in prerequisite screen. You have to fix the issues and re-run the installer as per parameter like for few parameters, DB bounce is required.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 67/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 68/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 69/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  In this screen, you can see that all prerequisites are passed.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 70/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 71/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Below is the informative message. Here, the parameter value is correctly set in the repository database. Below query can be used to check NLS parameter values. SQL> set lines 300 pages 3000 SQL> col property_name for a30 SQL> col property_value for a30 https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  72/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai SQL> select property_name,property_value from database_properties where Interview Questions Contact Me  PROPERTY_NAME in('NLS_CHARACTERSET','NLS_NCHAR_CHARACTERSET') order by 1; PROPERTY_NAME PROPERTY_VALUE -------------------------- ---------------- NLS_CHARACTERSET AL32UTF8 NLS_NCHAR_CHARACTERSET AL16UTF16  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 73/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Please note down the SYSMAN user and Agent Regitration password. This screen give the data file names and Interview Questions Contact Me  locations of Management, Configuration, and JVM.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 74/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 75/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 76/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  OEM requires allocation of several ports for internal communication between system components and to provide access to the console through a browser. In the below screen, recommended port ranges have been given for each component. By default, the first available port in the specified port range has been given.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 77/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Please note that the minimum required physical hard disk space is 37.3 GB.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 78/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 79/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 80/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 81/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 82/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 83/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 84/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 85/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 86/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 87/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 88/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 89/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 90/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 91/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 92/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Here, you will be prompted a pop-up box to run allroot.sh script. This will be located under OMS_HOME. You have to open new putty session of root user and run this script. This script calls other root scripts.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 93/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 94/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  You can see the textual format of allroot.sh script as below. [root@oemdb ~]# hostname oemdb.localdomain [root@oemdb ~]# id uid=0(root) gid=0(root) groups=0(root) [root@oemdb ~]# /u01/app/oracle/middleware/oms_home/allroot.sh Starting to execute allroot.sh ......... Starting to execute /u01/app/oracle/middleware/oms_home/root.sh ...... https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  95/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Check Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai /u01/app/oracle/middleware/oms_home/install/root_oemdb.localdomain_202504-28_21-09-34-206849739.log for the output of root script Interview Questions Contact Me  Finished product-specific root actions. /etc exist Finished execution of /u01/app/oracle/middleware/oms_home/root.sh ...... Starting to execute /u01/app/oracle/agent/agent_24.1.0.0.0/root.sh ...... Finished product-specific root actions. /etc exist Finished execution of /u01/app/oracle/agent/agent_24.1.0.0.0/root.sh ...... [root@oemdb ~]# We can see the logfile of allroot.sh script. [root@oemdb ~]# cat /u01/app/oracle/middleware/oms_home/install/root_oemdb.localdomain_202504-28_21-09-34-206849739.log Performing root user operation. The following environment variables are set as: ORACLE_OWNER= oracle ORACLE_HOME= /u01/app/oracle/middleware/oms_home Copying dbhome to /usr/local/bin ... Copying oraenv to /usr/local/bin ... Copying coraenv to /usr/local/bin ... Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root script. Now product-specific root actions will be performed. /etc exist https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  96/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Creating /etc/oragchomelist file... Creating /etc/oragchomelist file... /u01/app/oracle/middleware/oms_home Once the allroot.sh script is completed then click OK to continue.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 97/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Below is the final screen where you can see the URL and PORT details. Please note down the same. Use the following URL to access: 1. Enterprise Manager Cloud Control URL: https://oemdb.localdomain:7803/em 2. Admin Server URL: https://oemdb.localdomain:7102/console The following details need to be provided while installing an additional OMS: https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  98/112 10/8/25, 4:19 PM About Meoemdb.localdomain Oracle  DB Monitoring 1. AdminHome Server Host Name: Oracle Enterprise Manager 24ai Installation on Linux 8 ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  2. Admin Server Port: 7102  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 99/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  From Linux Machine, open the Firefox browser, and copy both the URLs availability. We have already noted down the username and password to login.  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 100/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 101/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 102/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 103/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me   https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 104/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Issues faced during Installation: 1) Issue: Installation was taking longer time as many datafile resize operations were observed in alert log. 2025-04-28T20:07:56.644938+05:30 Resize operation completed for file# 3, fname /u01/oradata/data/OEM/sysaux01.dbf, old size 880640K, new size 890880K 2025-04-28T20:07:57.586795+05:30 https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  105/112 10/8/25, 4:19 PM ... Home About Me Oracle  DB Monitoring 2025-04-28T20:07:56.644938+05:30 Oracle Enterprise Manager 24ai Installation on Linux 8 ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Resize operation completed for file# 3, fname /u01/oradata/data/OEM/sysaux01.dbf, old size 880640K, new size 890880K 2025-04-28T20:07:57.586795+05:30 Process termination requested for pid 269479 [source = rdbms], [info = 0] [request issued by pid: 269619, uid: 1001] 2025-04-28T20:08:05.292709+05:30 Resize operation completed for file# 1, fname /u01/oradata/data/OEM/system01.dbf, old size 1464320K, new size 1474560K 2025-04-28T20:09:45.051018+05:30 ..... Solution: Since the datafile was already in AUTOEXTEND mode, resize was not needed, but this is needed to avoid resize operations or you can resize data files to maximum size and disable autoextensibility. SQL> alter database datafile 8 resize 5g; Database altered.  SQL> alter database datafile 1 resize 3g; https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 106/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Database altered. SQL> alter database datafile 3 resize 1g; Database altered. 2) Issue: The wait events "log buffer space" and "shared pool latch" were observed in session during installation process. +---+-----+---------+-------------+------------------------+---+-------+----+ |INS| SID | USERNAME| SQL_ID | EVENT |ET | STATUS | BS | +---+-----+---------+-------------+------------------------+---+-------+----+ | 1 | 290| SYS |4z66cpjz29fcu| log buffer space 0 | ACTIVE | | | 1 | 10| | | log file parallel write|48 | ACTIVE | | +---+-----+---------+-------------+------------------------+---+-------+----+ +---+-----+---------+-------------+------------------------+---+-------+----+ |INS| SID | USERNAME| SQL_ID | EVENT |ET | STATUS | BS | +---+-----+---------+-------------+------------------------+---+-------+----+ | 1 | 290| SYS |cdamsm7xtd4p6| log buffer space 0 | ACTIVE | | +---+-----+---------+-------------+------------------------+---+-------+----+ +---+-----+---------+-------------+------------------------+---+-------+----+ https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  107/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 |INS| SID | USERNAME| SQL_ID | EVENT |ET | STATUS | BS | Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai +---+-----+---------+-------------+------------------------+---+-------+----+ | 1 | 290| SYS |4t6vftg9a223b| log buffer space 0 | ACTIVE | | | 1 | 10| | | log file parallel write|48 | ACTIVE | | +---+-----+---------+-------------+------------------------+---+-------+----+ Interview Questions Contact Me  +---+-----+---------+-------------+------------------------+---+-------+----+ |INS| SID | USERNAME| SQL_ID | EVENT |ET | STATUS | BS | +---+-----+---------+-------------+------------------------+---+-------+----+ | 1 | 290| SYS |csx5utrfc1jbf| log buffer space 0 | ACTIVE | | +---+-----+---------+-------------+------------------------+---+-------+----+ +---+-----+---------+-------------+------------------------+---+-------+----+ |INS| SID | USERNAME| SQL_ID | EVENT |ET | STATUS | BS | +---+-----+---------+-------------+------------------------+---+-------+----+ | 1 | 290| SYS |5rx3aznhpwu28| latch: shared pool 0 | ACTIVE | | | 1 | 10| | | log file parallel write|48 | ACTIVE | | +---+-----+---------+-------------+------------------------+---+-------+----+ Solution: 1) Increased shared_pool size to 900MB as it was growing in v$SGA_dynamic_components.  SQL> alter system set shared_pool_size=900m; https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 108/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home System altered. About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  2) Increased redo log file size to 300MB. SQL> set lines 300 pages 3000 SQL> select * from v$log; +--------+-----------+------------+------------+---------+----------+ | GROUP# | SEQUENCE# | BYTES | BLOCKSIZE | MEMBERS | STATUS | +--------+-----------+------------+------------+---------+----------+ | 1 | 13 | 209,715,200| 512 | 1 | INACTIVE | | 2 | 14 | 209,715,200| 512 | 1 | CURRENT | | 3 | 12 | 209,715,200| 512 | 1 | INACTIVE | +--------+-----------+------------+------------+---------+----------+ SQL> alter database add logfile group 4 ('/u01/oradata/data/OEM/redo04.log') size 300m; Database altered. SQL> alter database add logfile group 5 ('/u01/oradata/data/OEM/redo05.log') size 300m; Database altered. SQL> alter database add logfile group 6 ('/u01/oradata/data/OEM/redo06.log') size 300m; Database altered. SQL> select GROUP#,SEQUENCE#,BYTES,BLOCKSIZE,MEMBERS,STATUS from v$log; +--------+-----------+------------+------------+---------+----------+ | GROUP# | SEQUENCE# | BYTES | BLOCKSIZE | MEMBERS | STATUS | +--------+-----------+------------+------------+---------+----------+ | 1 | 13 | 209,715,200| 512 | 1 | INACTIVE | https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html  109/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 | 2 | 14 | 209,715,200| 512 | 1 | CURRENT | | 3 | 12About Me | 209,715,200| 512 | 1 | Scenarios INACTIVE |Oracle DB 23ai Home Oracle  DB Monitoring ORA-Errors DB | 4 | 0 | 314,572,800| 512 | 1 | UNUSED | | 5 | 0 | 314,572,800| 512 | 1 | UNUSED | | 6 | 0 | 314,572,800| 512 | 1 | UNUSED | +--------+-----------+------------+------------+---------+----------+ Interview Questions Contact Me  SQL> alter database drop logfile group 1; Database altered. SQL> alter database drop logfile group 2; Database altered. SQL> alter database drop logfile group 3; Database altered. SQL> select GROUP#,SEQUENCE#,BYTES,BLOCKSIZE,MEMBERS,STATUS from v$log; +--------+-----------+------------+------------+---------+----------+ | GROUP# | SEQUENCE# | BYTES | BLOCKSIZE | MEMBERS | STATUS | +--------+-----------+------------+------------+---------+----------+ | 4 | 15 | 314,572,800| 512 | 1 | CURRENT | | 5 | 0 | 314,572,800| 512 | 1 | UNUSED | | 6 | 0 | 314,572,800| 512 | 1 | UNUSED | +--------+-----------+------------+------------+---------+----------+ Thanks for reading this post ! Please comment if you like this post ! Click FOLLOW to get future blog updates !  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 110/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors  Tags Oracle Enterprise Manager 24ai Installation on OEL 8.10 Share:  Facebook  Twitter  Whatsapp DB Scenarios Oracle DB 23ai Interview Questions Contact Me    OLDER NEWER  INS-08101 Unexpected error while executing the action at state: 'supportedOSCheck' OEM 24ai Repository Database Creation Step by Step YOU MAY LIKE Show more POST A COMMENT 1Comments Thank you for visiting my blog ! Thanks for your comment ! Milind Maskar 12 May 2025 at 08:42 Very useful   Reply Delete https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 111/112 10/8/25, 4:19 PM Oracle Enterprise Manager 24ai Installation on Linux 8 Home About Me Oracle  DB Monitoring ORA-Errors DB Scenarios Oracle DB 23ai Interview Questions Contact Me  Post a Comment Oracle DBA ++     Oracle DBA ++ is designed for DBA freshers and professionals. The content in this blog is written in lemon language that anyone can easily understand which  is the speciality of this blog. The object of this blog is to better understand the concepts and improve the troubleshooting skills. Search This Blog About Me Search this blog Search Rupesh Ghubade  Home About Me Contact Me Privacy Policy Design by - Free Blogger Templates |  https://rupeshanantghubade.blogspot.com/2025/05/oracle-enterprise-manager-24ai.html 112/112

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