I clean-installed Ubuntu 11.10 today, and then installed VirtualBox. This required me to add myself to the vboxusers group, and since 11.10 seems to no longer have a graphical app to add users to a ...
I have one admin account and recently I have accidentally added myself to a single group (usermod -G without -a). So, I am not in the sudoers file anymore. However, root is not loginable by default on ...
I followed bad instructions and left the -a out of: usermod -a -G wireshark ak Now all of my groups have been lost, including sudo permissions: $ groups ak wireshark If I understand correctly, I ...