Multi-hop jump chain ssh
Chain multiple jump hosts in one command
ssh -J user@bastion1,user@bastion2 user@target
more ssh
all 15 commands →
Local port forward
ssh -L 5432:db.internal:5432 user@bastion -N
Remote port forward
ssh -R 8080:localhost:3000 user@vps -N
Dynamic SOCKS proxy
ssh -D 1080 user@vps -N -f
SSH multiplexing (ControlMaster)
ssh -o ControlMaster=auto -o ControlPath=~/.ssh/mux-%r@%h:%p -o ControlPersist=10m user@host
Run remote command
ssh user@host 'sudo systemctl status nginx'