Questions tagged [gdm]

GDM is the Gnome Display Manager, responsible for launching an X session, as well as displaying the login screen for the user.

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GDM two, independent login screens

Is there a way to have the GDM login screen appear on multiple ttys at startup? I should be able to operate each independently---start different desktop environments, etc. I'm using GDM 3.38.2.1 on ...
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1answer
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Multiple concurrent desktop environments linux

Is there a way to have multiple concurrent desktop environments on Linux (on the same screen)? I have in mind the following use case: tty1 has EXWM, a tiling WM that's great for work but lacks many ...
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how to force GDM to use wayland

I got a Xorg driver problem that causes the mouse cursor 1 seconds behind the mouse movement when in x11. This can be cured by launching gnome-session in WAYLAND mode if [[ -z $DISPLAY && $(...
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GDM elements disappear, CentOS8 / RHEL8

Good afternoon all. I've been using this arrangement for several months now; this is a recent problem and seems to be getting progressively worse. host system: laptop running Windows 10 hypervisor: ...
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Ubuntu 20.04 LTS - Why am I only in one group?

I am experiencing the same problem as noted at: Why my linux account only belongs to one group? I am running 20.04 and GDM. I've also: Followed every suggestion I could find related to disabling ...
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debian Linux - keyboard do not work after holding a Shift key

If I hold Shift key for about 9 second. this is never returing back to normal by itself, logout required to bring keyboard to work. mouse skill works window Manager - IceWm cat /etc/X11/default-...
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PopOS 20.04 Login Screen Loop

Yesterday I was trying to install Anaconda on my PopOS 20.04 and I went out during the installation and when I came back nothing was on the screen so I thought it was finished and shut down the pc. ...
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1answer
344 views

NIS users can not start xserver, Ubuntu 20, gdm, gnome

I am connected with my Ubuntu 20.04.1 machine to a NIS server and have a local user as well. Homedirectories of NIS users is mounted via NFS. Users can connect via ssh, login and find their ...
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pam_sss (gdm) Denies autologin for user with Active Directory Backend

We switched from FreeIPA to AD as User Database Backend and need to use autologin with one specific user. With FreeIPA everythin worked but since we moved to AD the User is not allowed to use ...
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1answer
107 views

Debian can't boot completely; how do I make it start Gnome?

I've recently bought a Lenovo Ideapad 5 15ARE05. It comes with Windows pre-installed, but even though I need the Windows, I prefer to work with the Debian operating system. Thus, I freed some disk ...
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347 views

Restarting the GUI (GDM3) on Ubuntu via remote SSH

Given an Ubuntu 18.04.2LTS on a desktop computer (not headless) which haven't been restarted since at least months. Access is only possible via some remote desktop connection (like vnc) and SSH. Now ...
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1answer
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Centos7: Using Radeon GPU and GT610 Nvidia GPU at the same time with Xwindows

I am trying to utilize two separate graphics adapters with Gnome on a Centos7 machine. lspci identifies these two adapters as such: 06:00.0 VGA compatible controller: NVIDIA Corporation GF119 [...
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1answer
973 views

bluetooth sink does not show in pulseaudio after successful bluetooth device connection

Bluetooth output does not show anymore in pavucontrol "Playback" tab after successful bluetooth device connection and therefore does not output any sound into the bluetooth device. $ bluetoothctl [...
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Ubuntu 19.10 - Changing default lock screen background

Regardless of what my lock screen background is configured to be, the default lock screen background is still the default eoan ermine. My own lock screen only shows up when I explicitly lock my ...
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1answer
735 views

How do I manually add a remote user to the gdm login screen?

My company is using a Centrify domain server and I have to use my user there to log into my Ubuntu (18.04) laptop. Currently when I turn on my machine the login screen only displays the name of a ...
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1answer
414 views

Ubuntu 18.04, gdm3, X11 an fixed frame rate

I'm using ubuntu 18.04.02 with 2 displays. The Graphic adapter is connected using DP to an KVM switch, which is connected to an 4K display (called Display 1), which supports only 30hz frame rate. ...
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Debian 3.2.57-3 external monitor detected but no image on it

I'm dealing with a pretty old mini laptop (Fujitsu Lifebook T580) that was originally meant to run Windows7 but someone at work installed Debian on it a long time ago. I'm definitely not an expert ...
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1answer
118 views

Intel Integrated graphics GDM leaves ghosts/leftovers (also in gnome shell)

I'm using an updated version of Arch linux, and get constant ghosts on GDM + Gnome Shell. Here is an example: I tried both modsetting and intel driver. I tried DRI 3 and 2 I tried SNA and UXA I ...
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1answer
677 views

Why does setting LANG=C break console login on CentOS 7

I typically set all of my locale settings to 'C'. It's what I'm used to. I like ls to sort things the way I've been used to for the past several decades. So imagine my surprise and dismay when I ...
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39 views

Setting network namespace when GDM / graphical login is done

I am trying to get two different users that share a system to have independent network stacks. I think that I can achieve that thanks to namespaces. At first, I thought of using pam_namespace.so, but ...
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1answer
3k views

How to autostart an application in GDM3?

GDM3 version 3.28.2-4. Is there a directory or configuration option for programs that GDM3 executes when login screen appears? In my current setup the auto-login shell command is run from rc.local: ...
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2answers
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Changing GDM Login Screen Behavior: No gdm.d directory

I am running Fedora 28 and am attempting to disable the user list in GDM (as the machine is domain joined, this is undesirable). In CentOS 7 this is as simple as putting a file named "00-login-screen" ...
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1answer
7k views

Login loop in Kali Linux after updating/upgrading

I've updated/upgraded my Kali Linux and now I'm stuck in a login loop. I've tried everything in console (Ctrl+Alt+F2): dpkg --configure -a sudo apt-get update sudo apt-get upgrade sudo reboot Then ...
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2answers
3k views

Computer suspends when not logged in

Since the latest update of Gnome / GDM my computer seems to be put into suspend mode when I am idle on the logon screen for about 20 minutes. This was not the case before the update. Current Version ...
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1answer
284 views

gdm - Use a script to set the automaticlogin user

I use Debian 8 which runs Gnome 3.14.1. I want to setup an autologin, but the name of the user to autolog is not fixed so I want to use a script to set it. According to GDM documentation (at https://...
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Debian not logged in with proper password after upgrade

Just after upgrade my system start to fail when I try to login as normal user both via gdm and tty. However it's not possible to login as root too. When try to login via tty it outputs 'Login ...
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2answers
7k views

Change GDM Background

I'm using Archlinux (Antergos) with GDM and Gnome installed. Is there any way to change the GDM background ? By setting the Lock Screen background in Gnome Settings, it only changes the GDM ...
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1answer
1k views

GDM login loops. Startx works

I have just installed Arch Linux in my laptop. I have awesome window manager, and I can start it from the tty with startx. When I install GDM (as I would like to have my computer start directly from ...
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1answer
2k views

Debian Multi Monitor setup lost after reboot

Ok i am now struggling with this problem since a few days. My problem is i am not able to save the current monitor settings, to apply / save after a reboot. I have 3 monitors and want to mirror 2 of ...
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1answer
655 views

Visual bug in GDM for Arch Linux

Whenever I boot into GDM, I get this weird visual tearing of the elements on the screen. I'm able to actually log in (by pressing enter and typing in my password) but the visual elements in the login ...
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1answer
1k views

How to use Intel controller to run Kali GUI

I've gone through many tips and different steps at this point, and the Kali GUI will still not run. In fact, after installing bumblebee and configuring and restarting, my Kali goes straight to the ...
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0answers
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Text rendering issues in Gnome Desktop Manager 3

I did an apt-get update on a debian 8 box and it really messed up my system. First of all, it changed my window manager to gdm3. The problem I have is that the fonts are some how messed up. When I ...
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1answer
7k views

shell environment setup for virtualenv/virtualenvwrapper

The question is about shell setup for virtualenvwrapper, an extension to virtualenv (python guide). Similar questions had been asked many times but with a lot with different answers: Environment ...
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1answer
186 views

Force XWindows Authentication

I start a process with init.d and want to be able to create GUI applications as child processes. Because of the early start of this process, the environment variables DISPLAY and XAUTHORITY are not ...
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3answers
8k views

How to set environment variables for a Gnome Wayland session

It seems that a Gnome Wayland session ignores the file ~/.profile. At least it is not working for me under a Gdm / Gnome / wayland session with Arch Linux. So the question is, what is the proper ...
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2answers
5k views

How to set default keyboard layout for GDM 3.16?

I have two keyboard layout (Colemak and Qwerty). When I have logged into my Gnome session my keyboard layout is set to Colemak automatically. But for some reason I can't change the default GDM ...
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333 views

What's the official way of programmatically changing the GDM login background?

I want to change the background of the GDM login screen on CentOS 6.5 and 7 to bring it in line with other branded systems, and so I have an RPM that delivers a background image into /usr/local/share.....
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1answer
163 views

Add option to GDM 3.x that does not have gui

You know how when you login with GDM, and you can select a variety of desktop environments? For instance, mine has Cinnamon, GNOME 3, xfce. How could I add an option that logs you in without a gui? (...
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2answers
13k views

Desktop not starting after Centos upgrade

I upgraded a server from centos 6.5 (with gnome2) to 7 using the update manager. The problem is that I am not able to see the login screen or the desktop. However the mouse pointer is visible. I ...
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0answers
912 views

Ubuntu 14.04 gdm with multiple X servers doesn't work

I'm trying to launch 4 X servers with gdm on my fresh Ubuntu 14.04. /etc/gdm/custom.conf [debug] # More verbose logs # Additionally lets the X server dump core if it crashes Enable = true Gestures = ...
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2answers
5k views

How to change gnome session locale?

How do I change the default locale for my gnome session? I created /etc/default/locale-local with this content: LANG=pt_PT.UTf-8 LC_MESSAGES=en_US.UTF-8 and added this to /etc/pam.d/gdm3, /etc/pam.d/...
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1answer
3k views

Clear user login list of gdm3 on wheezy - where is it stored?

I tried removing: /var/log/wtmp /var/log/ConsoleKit/history the completet gnome tree in /var/lib and accountservices nothing helped. The user list ist still there. We want to have a fresh box to ...
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gdm3 on debian wheezy not remembering users after reboot

When logging on and off from gnome/gdm3, the last user is displayed as expected. As soon as I reboot the machine (or restart dbus and gdm3) the last user list is empty again. ck-history --last shows ...
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How do I force gdm 3.6 stay on DISPLAY :0?

Every time I log out of my session, gdm moves to a different DISPLAY variable. Judging from /var/log/gdm, it rotates between :0 and :5. I'm finding no documentation on this logic. How do I keep gdm ...
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2answers
7k views

Change default login manager on Fedora 18

I'm tired of GNOME's problems with my Fedora 18 instance, and decided to move on to another desktop environment. After successfully changing to Xfce, I still couldn't get rid of GDM which annoys me a ...
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1answer
373 views

Triple-head works in GDM, but not in Gnome

I've got three displays connected via DVI on two different ATI cards on Arch Linux using the xf86-video-ati driver. All three are currently serving output, but one of my displays (the one on the ...
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2answers
4k views

GDM guest session for Debian Squeeze

Every now and then I would like to give my home desktop or laptop to someone to check their mails or lookup something on the web while I am not watching them. I am using Debian 6 (squeeze) and was ...
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1answer
3k views

ubuntu12.04 hangs at checking battery state

My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: ctrl+alt+f1, alt+f5. I ran recovery mode, I ran the command sudo mount -o remount, rw sudo dpkg-reconfigure gdm ...
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1answer
556 views

Choose between multiple keyboard layouts for different users in GDM3

I am trying to set up a computer with multiple users each with different preferred keyboard layouts. The biggest sticking point right now is allowing each to log in comfortably. GDM used to offer a ...
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3answers
7k views

How can I configure gdm to allow X connections to other servers/workstations?

I have an issue on all new installs of CentOS 6.2 on my network. Connecting to remote machines using X11 gui software fails for reasons associated with the xauth. I'm not sure how to diagnose but have ...