SSH: Agent Cheat Sheet

eval $(ssh-agent)       # Start agent on demand

ssh-add -l                      # List keys
ssh-add                         # Add default key
ssh-add ~/.ssh/id_rsa           # Add specific key
ssh-add -t 3600 ~/.ssh/id_rsa   # Add with timeout
ssh-add -D                      # Drop keys

ssh -A ...          # Enforce agent forwarding