SSH config file host entry ssh

Shorthand alias: 'ssh dev' triggers all options

cat >> ~/.ssh/config <<'EOF'
Host dev
  HostName 10.0.0.5
  User ubuntu
  IdentityFile ~/.ssh/dev_key
  ProxyJump bastion
EOF

#ssh

more ssh all 15 commands →

Escape sequences in session ~. Check SSH server host key ssh-keyscan -t ed25519,rsa host 2>/dev/null | ssh-keygen -lf - Restrict authorized key echo 'from="10.0.0.0/8",no-agent-forwarding,no-port-forwarding,command="/usr/bin/backup.sh" <pubkey>' >> ~/.ssh/authorized_keys Connect with specific key ssh -i ~/.ssh/id_ed25519 user@host ProxyJump through bastion ssh -J bastion.example.com user@internal-host