1. Adding admin users

2. Disabling admin users

1. Disable local password on all hosts (sudo usermod -L USER_admin)
2. Disable local homedir on all hosts (sudo chmod 000 /home/USER_admin)
3. Remove from /etc/login.restrict on all hosts (that file is present on non-member-login machines)
4. Remove from /etc/sudoers on all hosts (sudo visudo)
5. Randomize Kerberos password (on Deleuze: kadmin.local -p YOU_admin -q "cpw -randkey USER_admin")
6. Randomize user.daemon Kerberos password (on Deleuze: kadmin.local -p YOU_admin -q "cpw -randkey USER_admin/daemon")
7. Remove all permissions on USER_admin homedir in AFS (fs sa /afs/hcoop.net/user/U/US/USER_ADMIN -clear)
8. Remove from BOS superuser list (bos removeuser deleuze USER_admin)