ssh-agent (cont)

The ssh-agent program:
Runs as a daemon, listens on local unix socket.
Keys are added to the agent with ssh-add
Passphrase requested if necessary.
Keys stored unencrypted in memory only.
SSH programs (ssh, scp, sftp, etc) connect to the agent to handle key authentication.

lainee$ eval `ssh-agent`
lainee$ echo $SSH_AUTH_SOCK
SSH_AUTH_SOCK=/tmp/ssh-eun24979/agent.24979