Listing 7. Using ssh-agent frees you from having to
re-enter your
passphrase.

$ ssh-agent
SSH_AUTH_SOCK=/tmp/ssh-Rvhhx30943/agent.30943; export SSH_AUTH_SOCK;
SSH_AGENT_PID=30944; export SSH_AGENT_PID;
echo Agent pid 30944;

$ ssh-add
Enter passphrase for /home/fkereki/.ssh/id_rsa:
Identity added: /home/fkereki/.ssh/id_rsa (/home/fkereki/.ssh/id_rsa)

$ ssh fkereki@192.168.1.107
Last login: Mon Jun 10 18:44:15 2013 from 192.168.1.108
6.0 Light Final built on March 31, 2009 on Linux 2.6.27.12
You are working as fkereki
Frequently used programs:
Configuration  : vasm
File manager   : mc (press F2 for useful menu)
Editor         : mcedit, nano, vi
Multimedia     : alsamixer, play