Not sure if this going to be fixed in libnet, but you can always use fakeroot.
I.e: cat /dev/null | fakeroot guessnet -i eth0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/175425 Title: guessnet requires root privileges when it shouldn't To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/guessnet/+bug/175425/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs