function ssh-aiadm() { ssh -A -t fbarreir@aiadm.cern.ch ssh -A -t fbarreir@$1;} #Define it in your ~/.bash_profile
>> ssh-aiadm <MACHINE>
Password:
...
See the crontab for all users
for user in $(cut -f1 -d: /etc/passwd); do echo $user; crontab -u $user -l; done