SSH Linux
Secure Shell
SSH (Secure Shell) - , . SSH , . SSH , .

OpenSSH
SSH-, , OpenSSH . , Linux, OpenBSD, Windows macOS. OpenSSH Linux , ssh, .
sudo apt install openssh-client
IP- . SSH- ssh, IP-:
ssh 192.168.56.101
:
ssh test.server.com
:

yes
Enter. , .
SSH-
SSH . SSH-, :
ssh username@hostname_or_ip
:
ssh testuser@10.0.0.55
. Connection refused, , .
SSH-
SSH 22. SSH , . :

SSH, -p
. :
ssh test.server.com -p 3322
SSH SSH Keygen
SSH, keygen. . , .
SSH . SSH, .
- :
ssh-keygen -t rsa
, Enter .
SSH
SSH, . - id_rsa.pub
, SSH.
, :
ssh-copy-id hostname_or_IP
, .
, . .
SSH SCP
SSH SCP. :
scp fileName user@remotehost:/home/username/destination
, sample3
, :
scp sample3 test@10.0.10.5:/home/test/Desktop
.

-P
, .
SSH
, SSH. sshd_config
, SSH. , . - .
, . . Linux vim.
:
sudo vim /etc/ssh/sshd_config
sudo, , .
SSH
SSH, Linux.
Linux , :
sudo ssh service restart
:
sudo sshd service restart
, , . SSH .
. . , SSH .
, SSH. , , :
ssh test.server.com rm ~/Desktop/Dir1/sample4
, .
SSH
SSH . SSH .
-1
- ssh 1-2
- ssh 2.-4
- IPv4.-6
- IPv6.-A
- . .-a
- .-b bind_address
- , .-C
- . .-c cipher_spec
- . .-E log_fileName
- log_file .-f
- ssh .-g
- , .-q
- ssh . .-V
- ssh .-v
- ssh-. .-X
- , X11.-x
- X11.