1: make yourself a pubkey/privkey pair:
$ ssh-keygen -t dsa
2: rename the pubkey to authorized_keys:
$ cd ~/.ssh
$ mv id_dsa.pub authorized_keys
scp the authorized_keys file into ~/.ssh/ on all machines you want to be able to
Step 4: run the ssh-agent and
load your privkey into it. Use the following script, which is called "sshrun",
to do that.
try sshing into one of the boxes in question. If it doesn't let you in without a password, it's
probably a file or directory permissions problem. Email email@example.com to have the
syslog checked and find out exactly what happened.