{{{#!wiki tip Merge with AddingNewAdmins }}} = Adding admin users = = Disabling admin users = 1. Disable local password on all hosts (sudo usermod -L USER_admin) 1. Disable local homedir on all hosts (sudo chmod 000 /home/USER_admin) 1. Remove from /etc/login.restrict on all hosts (that file is present on non-member-login machines) 1. Remove from /etc/sudoers on all hosts (sudo visudo) 1. Randomize Kerberos password ON ALL KRB SERVERS (kadmin.local -p YOU_admin -q "cpw -randkey USER_admin") 1. Randomize user.daemon Kerberos password ON ALL KRB SERVERS (kadmin.local -p YOU_admin -q "cpw -randkey USER_admin/daemon") 1. Remove all permissions on USER_admin homedir in AFS (fs sa /afs/hcoop.net/user/U/US/USER_ADMIN -clear) 1. Remove from BOS superuser list ON ALL AFS SERVERS (bos removeuser SERVER USER_admin) = Changing system passwords = 1. On all hosts: sudo usermod -p '$1$...md5hash' root 1. ssh root@ or admin@kvm.hcoop.net, run 'setup', choose S, type in new password twice, choose W. (KVM will reboot to reload pw) 1. ssh admin@mire-sp.hcoop.net, run 'access update password -u admin', and also 'access get users' to make sure there are no accounts besides 'admin' ---- CategorySystemAdministration CategoryNeedsWork