Public bug reported: All gui apps fail to launch when using sudo, out-of-box, desktop 17.10 install. For example, gparted and virt-manager, which both require sudo, are not usable without a work-around.
#### Out-of-box experience rbeisner@vistula:~⟫ sudo gedit No protocol specified Unable to init server: Could not connect: Connection refused (gedit:32146): Gtk-WARNING **: cannot open display: :0 rbeisner@vistula:~⟫ xhost access control enabled, only authorized clients can connect SI:localuser:rbeisner #### Work-around: rbeisner@vistula:~⟫ xhost si:localuser:root localuser:root being added to access control list rbeisner@vistula:~⟫ xhost access control enabled, only authorized clients can connect SI:localuser:root SI:localuser:rbeisner rbeisner@vistula:~⟫ sudo gedit rbeisner@vistula:~⟫ # (it launches ok) ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: x11-xserver-utils 7.7+7build1 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Thu Oct 19 00:49:13 2017 DistUpgraded: Fresh install DistroCodename: artful DistroVariant: ubuntu GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Turks XT [Radeon HD 6670/7670] [1002:6758] (prog-if 00 [VGA controller]) Subsystem: Hightech Information System Ltd. Turks XT [Radeon HD 6670/7670] [1787:2012] InstallationDate: Installed on 2017-10-17 (1 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Beta amd64 (20171015) MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M. ProcEnviron: TERM=screen-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic.efi.signed root=UUID=8c3a672d-6b6a-4ee4-b211-b148cc82e493 ro quiet splash vt.handoff=7 SourcePackage: x11-xserver-utils UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/06/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F5 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: 970A-D3P dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF5:bd08/06/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rn970A-D3P:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To be filled by O.E.M. dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.83-1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1 version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 ** Affects: x11-xserver-utils (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug artful ubuntu wayland-session -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to x11-xserver-utils in Ubuntu. https://bugs.launchpad.net/bugs/1724748 Title: [artful] `sudo gedit` results in Gtk-WARNING **: cannot open display: :0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/x11-xserver-utils/+bug/1724748/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp