SSH
Short link: https://jlelse.dev/s/12
Add SSH key to remote user
ssh-copy-id -i .ssh/id_rsa.pub USER@SERVER
Fix SSH key file permissions
chmod 600 id_rsa
chmod 644 id_rsa.pub
Disable host key checking
Host host-or-ip
StrictHostKeyChecking no
UserKnownHostsFile=/dev/null