student@desktop:~$ ssh-keygen -t rsa -b 4096
Generating public/private rsa key pair.
Enter file in which to save the key (/home/student/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/student/.ssh/id_rsa
Your public key has been saved in /home/student/.ssh/id_rsa.pub
The key fingerprint is:
SHA256:VEAXNaN16dbupEDWlTFpojyDkblJKttGAHQb0SCSLRw student@deskto
p
The key's randomart image is:
+---[RSA 4096]----+
|.E=+.=+.o.*o= .++|
| +..o.o. B o =.+o|
| . .. + B .ooo |
|
. + + =o + .|
|
= S oo. . |
|
. o . o|
|
.
.+|
|
. .|
|
|
+----[SHA256]-----+
student@desktop:~$ pwd
/home/student
student@desktop:~$ cd .ssh
student@desktop:~/.ssh$ ls
authorized_keys id_rsa id_rsa.pub
student@desktop:~/.ssh$ cat id_rsa.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQD0VSBui8Ui7qDExFZ/pu+UuICZW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 student@desktop
student@desktop:~/.ssh$ cat id_rsa
-----BEGIN OPENSSH PRIVATE KEY----b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABAmx
PcrUw
UUkM7XIu0oK1WqAAAAEAAAAAEAAAIXAAAAB3NzaC1yc2EAAAADAQABAAACAQD0VSB
ui8Ui
7qDExFZ/pu+UuICZWaiebAt9WWdZR9qtckp2etxm+s3qxkK4xWbpnBbGgzxEeshhW
jiN8t
o8z2LopGzY5sgyn8elLvXBb08w4Tk0jRxVrm2hcT7cdkRG6ggTDMiIPlNVGuFgmd2
FDZyp
dOef3kjfkzGKxZqNFYXoHWSMCuxRO6HyzegqQ39cy06Q7ByDwIj9i9jG7pn3DaOra
zAvUZ
nB6f39HENEwzu/JXDgjQSzeWwwJHrO5bUCXeDLnXaNXuq6GSAmD1x8I+ykgdVquEx
eecOl
Mq0N1MX7ODX4nDgjmb5hh6RPziFlysRp6MUZaqDShYtaoZycXc4zwcKGytLbBpcwq
GBhDa
Ql1nrKCplcGEMz63FZYdbcWhwIDEOTlWkjjfDsOEkYAJ2Q4hf6OhxXFyWaRHTb0KC
whrPC
JOqSXxBC0RY+1V4VIMHzYdlVYU8E/vV3Ks4r8yGv/DbVn7mirf6geg06VFhVP3TQ3
X5NNK
mWKYEhSPtaPap+8CS2HFdqizdBjP3wNmC83GIobIm7KlS9ca+svMNANfuoGIAAjwt
eJ4ko
LfOLVK4RLO5BzQXHGEJpL5rmk0TA4vwkdLnM7v9eRfQxZht6x+gjdmB7CPzIMiUF4
4/+jB
guh5hhfX8tdcduTc+qX2dTHUWf3UTkESLMoi3Ln58sxQAAB1DVAgCM9mEfKAk/I7u
W0p62
SgbAlQhGnByiPmFJZVfoUaK/S+KmqvKF1w6Npo3VFR4RFb6V0JUz7LTCp9xnp8eqK
83Qgi
OVfZJAwFi8Vg3AZiZj18X7cPZcQDm5yrKbhPZTfjo9qL6rh2XZTNsMP2MIFH4hVTv
o5DnM
YNW4MdWzkM0n1LKb+/oyRWNKVL9SEdKK5CKOCGaoOzZXp3nR4Wy2MCYMQGSEbkkHj
YSt5y
Pfw331c9B0EYbVCGbj4iQnDtri77fREOWj4pljJiLbM8LsI8SW85ttihOzisyInzg
OA1mE
i6XhbnNxsOoGwDLfWfL53sbinyvJdFxN+YvEojMCuqUnMeOnfUjkBJPhUeSfmcIxb
JC5qU
UBVcd3xLu+NJPCrdRKQHENlKoMmMP/Gf6Yk7opAnySMyLCcRLgR9/xbpU/EWHysUP
5f13E
2DwPxuA5LERoWK+6w4DxPzrOKJZChArqsZNZAzJsgs8D24DlMdjCFspLfWffrhak0
+j6z5
pdEnlb2M92N5F/xlZq6CRSEdnCpU9kyU4Zu/hETGxreBDqbOYXYQ3yX0FfuHaxdV3
8r0fX
SfERXt29UrN9zDhHYDSMVsgYkeb9ZDJJAdp8dOUYPF5RRWZMuGkQBi2jWeMHg07rS
xZXT7
3dcaqCJB+sDbc8kGCegnpwvgfuavzQPiEnDs4wRds3wnnbi1I9S40ujSyiD9t7cYo
0EVcy
uGzdzX+sLiFy+At9Q3jl2nQDXpOyhAuAMMGQWYv6k/lohIXop2DEW1SjpL7WqRnrw
3zyCJ
fP7DmHYLEux0xpfgwXRYWWEBk/pF7aHj3IAfEZ5UVntLIeQ+7YL3lPYKH92hRXP1g
Ly8y7
1bXcERCYPqXLXCar7SGp1HxaSomyaBkSHc8BMhMOTBknR1okp7pplkpw0OMV/JC3C
3vdoQ
P2Ao9wz2qCceARprkftZGzGHc+bEIIvGBsuKASf/+Mmz7bvtzXOsQGQeLGWCoZus+
jM6NN
iiFa6xNiNKoZZi5JKKwc2nCQgYlGc8Sn2oDmeeCd1Wd/sqyAIcj4MvJbLo+OcnqX2
jsIrj
1UFj0L/sYoeiYQhibXStUaSDpid00cPl7jdcsv8Iwea4kJzJFXUj0MCGVj6ZWGr2J
oyL7T
3uCGCbKdg8Q55pkilnZadq7QN9arBkRZ4zLrUTmIryYwl9YDo9eP0+3NQ3qHegThH
qGXeB
bS/Y9ScFPjsDXD3bjLsM/G+hIWqmpccrOHs3zYZklrMmO/fdMybIBX7/bXf/YC8c5
zxx8q
dfz1z2QbookthLlOiUZRbhEUuR7aHRtBaPUtVVMYxhddJZGQnKzkfvzQfqTfbWqpI
LGiOs
ZzuXi8EqMS6SrOyLAJekWTjeF6WsRmOcQ5yXwv+nHcmLx0BwbsPy1gdQSliyPH1P7
27vwD
dVLHrIA/WnnbweEqTf5jpan44BmBQGKhf5WILHPFdmE20Tbuc6lG4/luawkTUNl+F
fMzSb
Pd7WWencjGt8VaI9QtQk6L+sYuEqGgtEOTuhkPo+N9xHCxjqiXh/mYctZeAK8prHf
sqQmL
KWL777V78/MfxKZiT2HbiOy86RUUOyQYVI5Yzlq+e/pbcscxiYCDIRpRwJCO0PEEV
pbKtv
bO4LtwSMo3/cqYLL8CwhSzYPfUC1woGNVIjKRxHdSIHxT67YK9LJ5aOwYgRuHoDEK
YWZH+
D5hFDvxX1nNitVaVQ1oCqn+pWMR8l/4vKamqEnueM2fLY0Irv9vcUPxxjNSWoI3cR
NH6e0
d4ut+kelivo+Zwo/grqZsqPkbJfrbg2UyT+lRnzIG4Q31rM0aYcDGFc0lZfXoNaSN
k8RIY
GP8+b9B9pwxi2K4fiO3GG9ZQ65m4zfQW7YkSLpH1XU+iGAP7wpLvMPpiKFlCPnF64
iY2on
qjoXS2RSCt9P2P5phpOpkw35uUyXFIbVSLeZfrpkJuoqxUCKvq6raMvtSKa0+Fe4L
C0tER
DkcGzKexRHeK4cLlDcsIE0k233VE67y74agRwyujvNIIJtf7GnBibtlMpUzYCnxf4
59nuM
NwrZ6uGzGLNtRDHVbyQuFb/bP1X44Te8XUKREYimSaSjo9PCQW9YoAp5AcGsY9/iA
hCZN4
aH0T6EfcVUFZ7YBc/lgPTsFFAKqilDUZbniuynGKSPkTGJwzjt3B2vWmVZHoaik/I
NeGl+
Nor3YZe29mIZgUSzHM2i6LY8H7bDDruoWR1ncQEgW2Ct2UoGAmg7tC/vgFkmyHoaG
mLYH7
yQDk9rvotiVLpgk534kbl5NpKlRwEQE8UfU/dS+lqgMyFsfJx1LQP/Q8tIAHSb4KH
05tx+
Eqf2lJJ0PSc3VHeUQnhWa7F29K/G8kFDmM1d337TKVMQhCo5dbua0X7+aUM2x9Yb9
Eg1Np
eGk10fM6PQbckdtt5ajp+DkN8tgDamOJC7380Wy31KlY/1+2JXVFj7u2CsoQ0vEyQ
/bH/O
gT1UNP5hrNSj6TxlOyNqAxg+M=
-----END OPENSSH PRIVATE KEY----student@desktop:~/.ssh$ ls
authorized_keys id_rsa id_rsa.pub
student@desktop:~/.ssh$ man ssh-keygen
student@desktop:~/.ssh$ ls
authorized_keys id_rsa id_rsa.pub
student@desktop:~/.ssh$ cat authorized_keys
student@desktop:~/.ssh$ ssh student@server
Warning: Permanently added 'server,192.168.6.2' (ECDSA) to the li
st of known hosts.
student@server's password:
To run a command as administrator (user "root"), use "sudo <comma
nd>".
See "man sudo_root" for details.
student@server:~$ ls
student@server:~$ pwd
/home/student
student@server:~$ cd .ssh
student@server:~/.ssh$ ls
authorized_keys
student@server:~/.ssh$ cat authorized_keys
student@server:~/.ssh$ ls
authorized_keys
student@server:~/.ssh$ exit
logout
Connection to server closed.
student@desktop:~/.ssh$ ls
authorized_keys id_rsa id_rsa.pub known_hosts
student@desktop:~/.ssh$ cat known_hosts
|1|qda6s2mQwmLTtY/zhSkfHkcm+bU=|A1N2SZfSNONd8UWUcBqOD0KMA0U= ecds
a-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAA
ABBBF0ton8t2lzGPVWkBRDq9Mf+E5pzw80s5gWo2yCEVnuPlj2z3G52U1aeR/Ih4Y
fUP6al6oCAnNyFhL0+itS9O28=
|1|hh4rDYAk4syWI1Xl85kaEwmkM4M=|ruypg7uA4SRHyoV+w3A1FepdFM8= ecds
a-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAA
ABBBF0ton8t2lzGPVWkBRDq9Mf+E5pzw80s5gWo2yCEVnuPlj2z3G52U1aeR/Ih4Y
fUP6al6oCAnNyFhL0+itS9O28=
student@desktop:~/.ssh$ ls
authorized_keys id_rsa id_rsa.pub known_hosts
student@desktop:~/.ssh$ cd ..
student@desktop:~$ ls
Desktop Documents Downloads Pictures Videos
student@desktop:~$ ssh-copy-id -i ~/.ssh/id_rsa student@server
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/h
ome/student/.ssh/id_rsa.pub"
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key
(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if
you are prompted now it is to install the new keys
student@server's password:
Number of key(s) added: 1
Now try logging into the machine, with: "ssh 'student@server'"
and check to make sure that only the key(s) you wanted were added
.
student@desktop:~$ ssh student@server
Enter passphrase for key '/home/student/.ssh/id_rsa':
student@server's password:
Last login: Mon Jan 10 04:31:28 2022 from 192.168.6.1
To run a command as administrator (user "root"), use "sudo <comma
nd>".
See "man sudo_root" for details.
student@server:~$ cd .ssh
student@server:~/.ssh$ ls
authorized_keys
student@server:~/.ssh$ cat authorized_keys
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQD0VSBui8Ui7qDExFZ/pu+UuICZW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 student@desktop
student@server:~/.ssh$ exit
logout
Connection to server closed.
student@desktop:~$ cd .ssh
student@desktop:~/.ssh$ ls
authorized_keys id_rsa id_rsa.pub known_hosts
student@desktop:~/.ssh$ cat id_rsa.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQD0VSBui8Ui7qDExFZ/pu+UuICZW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 student@desktop