Here is a way to use ssh-agent, ssh-add without having to type you password every session. Just once (when the machine has been rebooted) you will have to enter you passphrase, from then on you are authenticated. Here is the script you will have to add to your .bashrc or .profile in you homedirectory:
source "$variables" > /dev/null
ssh-add -l > /dev/null 2>&1
case "$?" in
ssh-add > /dev/null 2>&1
if [ -f "$variables" ] ; then
ssh-agent -s > $variables
Have fun, I have been using this great hint for quite some time now, it seems to work perfectly!