Same thing... jose@jose-Lenovo-G400s:~$ uname -a Linux jose-Lenovo-G400s 4.13.4-041304-generic #201709270931 SMP Wed Sep 27 13:35:03 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux jose@jose-Lenovo-G400s:~$ echo $DISPLAY :0 Phoronix Test Suite v7.4.0 Interactive Benchmarking System Software / Hardware Information Hardware: Processor: Intel Core i3-3110M @ 2.40GHz (4 Cores), Motherboard: LENOVO, Chipset: Intel 3rd Gen Core DRAM, Memory: 6144MB, Disk: 500GB Seagate ST500LT012-9WS14 + 16GB Cruzer Edge, Graphics: Intel Ivybridge Mobile 1536MB (1000MHz), Audio: Conexant CX20757, Network: Qualcomm Atheros QCA8172 Fast + Qualcomm Atheros AR9485 Wireless Software: OS: Ubuntu 17.10, Kernel: 4.13.4-041304-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, Display Driver: modesetting 1.19.3, OpenGL: 4.2 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1366x768 jose@jose-Lenovo-G400s:~$ sudo gparted [sudo] password for jose: Created symlink /run/systemd/system/-.mount → /dev/null. Created symlink /run/systemd/system/media-jose-myData.mount → /dev/null. Created symlink /run/systemd/system/media-jose-SanDisk16GB.mount → /dev/null. Created symlink /run/systemd/system/run-user-1000.mount → /dev/null. Created symlink /run/systemd/system/snap-anbox\x2dinstaller-17.mount → /dev/null. Created symlink /run/systemd/system/snap-core-2898.mount → /dev/null. Created symlink /run/systemd/system/snap-core-3017.mount → /dev/null. Created symlink /run/systemd/system/snap-core-3247.mount → /dev/null. Created symlink /run/systemd/system/snap-wavebox-26.mount → /dev/null. Created symlink /run/systemd/system/snap-wavebox-32.mount → /dev/null. Created symlink /run/systemd/system/tmp.mount → /dev/null. No protocol specified (gpartedbin:12371): Gtk-WARNING **: cannot open display: :0 Removed /run/systemd/system/-.mount. Removed /run/systemd/system/media-jose-myData.mount. Removed /run/systemd/system/media-jose-SanDisk16GB.mount. Removed /run/systemd/system/run-user-1000.mount. Removed /run/systemd/system/snap-anbox\x2dinstaller-17.mount. Removed /run/systemd/system/snap-core-2898.mount. Removed /run/systemd/system/snap-core-3017.mount. Removed /run/systemd/system/snap-core-3247.mount. Removed /run/systemd/system/snap-wavebox-26.mount. Removed /run/systemd/system/snap-wavebox-32.mount. Removed /run/systemd/system/tmp.mount. jose@jose-Lenovo-G400s:~$ sudo synaptic No protocol specified Unable to init server: No se pudo conectar: Conexión rehusada (synaptic:12450): Gtk-WARNING **: cannot open display: :0 jose@jose-Lenovo-G400s:~$ synaptic Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged. Violación de segmento (`core' generado) [Note: Synaptic without sudo didn't started, but crashed] jose@jose-Lenovo-G400s:~$ sudo nautilus No protocol specified Unable to init server: No se pudo conectar: Conexión rehusada jose@jose-Lenovo-G400s:~$ nautilus sys:1: PyGIWarning: Nautilus was imported without specifying a version first. Use gi.require_version('Nautilus', '3.0') before import to ensure that the right version gets loaded. Nautilus-Share-Message: Called "net usershare info" but it failed: Falló al ejecutar el proceso hijo «net» (No such file or directory) ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ^C ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed ** (nautilus:12515): WARNING **: connect() failed [Note: Nautilus software launched, and it was closed properly. Messages in console kept apearing, so I had to press Ctrl+C to end it and stop warnings] It seems that 17.10 is far from stable (at least Ubuntu Gnome).