I was able to recover my system without a reboot by installing the packages, still in the archive, of version 2.7-5ubuntu2. For whatever reason, su is able to run while sudo is not. Obviously this will only help you if you have a root password.
I was able to recover my system without a reboot by installing the packages, still in the archive, of version 2.7-5ubuntu2. For whatever reason, su is able to run while sudo is not. Obviously this will only help you if you have a root password.