Connect Linux using SSH

Just using this simple command.

ssh username@ip_address

Or, if your linux using custom port, use this command.

ssh -p port_number username@ip_address

• ssh: Initiates the SSH connection.

• -p port_number: Specifies the custom port (instead of the default port 22).

• <username>: Replace this with the actual username you want to connect as.

• <ip_address>: Replace this with the IP address of the server.

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Connect to Linux server without password (SSH key)

Generate SSH key. Select the default location (~/.ssh/id_rsa) and leave the password blank for automatic access.

ssh-keygen -t rsa -b 4096

Then copy your SSH key to linux target.

ssh-copy-id -p port_number username@ip_address