Got that one as well on a ps3 today... date jumped back 1h (due to some incorrect daylight saving setting I suspect) and sudo stopped working .. for 1h.
sudo -k or -K should really be fixed to at least fallback to asking the password if the timestamp is crap. -- "sudo -k" fails when timestamp is in the future https://launchpad.net/bugs/43233 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
