ssh config keyfle code example

Example 1: ssh config

Host hostname1
    SSH_OPTION value
    SSH_OPTION value

# Example 1:
Host targaryen
    HostName 192.168.1.10
    User daenerys
    Port 7654
    IdentityFile ~/.ssh/targaryen.key

Example 2: file connection ssh

sudo chmod 400 [key file]
sudo ssh -i [key file] [username]@[ip]