ssh-keygen -t rsa

client(접속 시도 컴퓨터): private key(id_rsa)

server(접속 되는 컴퓨터): public key(authorized_keys)

uname=<UNAME>

ip=<IP>

scp -p $HOME/.ssh/id_rsa.pub $uname@$ip:~/.ssh/authorized_keys

ssh 보안

chmod 700 ~/.ssh

chmod 600 ~/.ssh/id_rsa

chmod 644 ~/.ssh/id_rsa.pub

chmod 644 ~/.ssh/authorized_keys

chmod 644 ~/.ssh/known_hosts

~/.ssh/config

Host BonitaKali

HostName <IP>

Port 22

User <USER>

Host DaisyBBB

HostName <IP>

Port 22

User <USER>

ssh BonitaKali

ssh DaisyBBB