remove_guest_users_groups.md

It/Remove Guest Users Groups

This is a runbook to remove the guest login users and groups created by guest logins on Ubuntu < 18.04 (except guest-prefs).

1. Remove Users and Groups

1. [] Remove users except guest-prefs

   run: rgrep guest- /etc/group | grep -v guest-prefs | cut -f 1 -d ':' | sudo xargs -L 1 deluser

2. [] Remove rogue groups except guest-prefs

   run: rgrep guest- /etc/passwd | grep -v guest-prefs | cut -f 1 -d ':' | sudo xargs -L 1 deluser --group

2. Persist the solution

1. [] Install as @reboot cronjob, service or init script