SSH
Create SSH Keys
SSH Proxy
ssh -C2qTnN -D 12345 -p 22 <system_user>@<domain>
SSH Agent Forwarding
ssh -A <system_user>@<domain>
Force Password Authentication (client-side)
ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no <domain>
SSH Folder Permissions Client
chmod 700 ~/.ssh chmod 600 ~/.ssh/id_rsa chmod 600 ~/.ssh/id_rsa.pub
SSH Folder Permissions Server
mkdir ~/.ssh touch ~/.ssh/authorized_keys chmod 600 ~/.ssh/authorized_keys vim ~/.ssh/authorized_keys