Hi Michael, As Daniel said, by default you can't log in as root in Ubuntu (at least not any longer).
Please see https://help.ubuntu.com/community/RootSudo ** Changed in: ubuntu-docs (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Documentation Packages, which is subscribed to ubuntu-docs in Ubuntu. https://bugs.launchpad.net/bugs/1282597 Title: Ubuntu 13.10: Gnome-Terminal log in as su fails Status in “ubuntu-docs” package in Ubuntu: Invalid Bug description: Gnome-Terminal: If you try to log in as superuser with the order 'su' the input of any passwords fails. You are not able for using the Gnome-Terminal as superuser like the Ubuntu-version 12.04 LTS. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs/+bug/1282597/+subscriptions -- Mailing list: https://launchpad.net/~documentation-packages Post to : documentation-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~documentation-packages More help : https://help.launchpad.net/ListHelp