It also happened to me when I upgraded from Gutsy => Hardy. It seems that /etc/hosts only includes my fully qualified name, while /etc/hostname only has the short name.
I cannot "sudo" to edit /etc/hosts or /etc/hostname -- unresolvable hostname breaks system https://bugs.launchpad.net/bugs/197494 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