Public bug reported: Folowing upgrade 14.10 -> 15.04, in a root terminal:
root@adiabat:~# gedit No protocol specified ** (gedit:8757): WARNING **: Could not open X display No protocol specified gdk_mir_display_open Failed to connect to Mir: Failed to connect to server socket: No such file or directory Unable to init server: Could not connect: Connection refused (gedit:8757): Gtk-WARNING **: cannot open display: :0 root@adiabat:~# However, from a user terminal, " gedit" and "gksu gedit" both work just fine. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: ubuntu-release-upgrader-core 1:15.04.14 ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3 Uname: Linux 3.19.0-15-generic x86_64 ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Tue Apr 28 13:55:28 2015 InstallationDate: Installed on 2014-11-04 (174 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: Upgraded to vivid on 2015-04-28 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade vivid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1449748 Title: gedit can't run in root terminal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1449748/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs