Allow Users to su With the Wheel Group or sudo Users in Jessie are not allowed to su by default and the Wheel group (whose members are allowed to su) is not created by default. Should this be a requirement, follow the steps here to set it up: Restrict ‘su’ execution Login as root and …

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I’ve done this twice now, sometimes lessons need repeating. If you are going to edit /etc/sudoers in Ubuntu then set a root password or you risk locking yourself out. If you edit the sudoers file and the syntax is incorrect then the system can no longer read the sudoers file. Now you can’t fix the …

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