I can confirm this bug. As Roy cautions, this bug can result in an unusable system. I was locked out of all administer functions and ultimately decided to nuke from orbit.
-- Creating user with username 'admin' hoses admin group, sudo config https://bugs.launchpad.net/bugs/236305 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs