https://www.theregister.co.uk/2018/04/13/on_call/
origin - https://www.pipiscrew.com/2018/04/sysadmins-worst-client-was-his-mother/ sysadmins-worst-client-was-his-mother
https://www.theregister.co.uk/2018/04/13/on_call/
origin - https://www.pipiscrew.com/2018/04/sysadmins-worst-client-was-his-mother/ sysadmins-worst-client-was-his-mother