Small correction: unlike the suggested packages, the plain whois package is in main, not in universe. This makes this bug even more puzzling.
precise$ whois launchpad.net No command 'whois' found, did you mean: Command 'rwhois' from package 'socks4-clients' (universe) Command 'jwhois' from package 'jwhois' (universe) Command 'cwhois' from package 'asused' (universe) Command 'gwhois' from package 'gwhois' (universe) whois: command not found precise$ apt-cache policy whois whois: Installed: (none) Candidate: 5.0.15ubuntu2 Version table: 5.0.15ubuntu2 0 500 http://fi.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1070194 Title: command-not-found does not suggest 'whois' package To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/command-not-found/+bug/1070194/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs