Questions tagged [gdm]

the GNOME display manager (GDM) is a display manager for X Windows Systems

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Control gdm's policy of restarting X

I'm on a system where gdm is used for the display manager; and I have root access (though it's not "my" machine per se). Now, for some reason which is not the point of this question, the server fails ...
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Controlling the X display manager service - on SLES 15

I'm not a fan of systemd, and have so far worked with systems which used SysVInit scripts (like Devuan); and upstart on older Ubuntu versions. Now I'm "stuck" with a SLES 15 machine. I'm trying to ...
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Controlling terminal of a display server

When I login on a Fedora 31 workstation and run the ps command, I see the below output; for an X session: PID TT CMD ... 1 ? /usr/lib/systemd/systemd --switched-root --system --deserialize ...
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Blinking cursor after debian 9 to 10 dist-upgrade

So as the title says, I updated to debian 10. I modified /etc/apt/source.list and replaced every instance of stretch to buster Then i did # apt update && apt upgrade && apt dist-...
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Desktop environments not working on Arch Linux

I did a fresh arch uefi install and everything went smoothly. Then i moved ahead to installing xorg and gnome It was also completed with no errors. Now when I run: systemctl start gdm The system ...
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lid close and suspend to ram: Which software is involved?

In order to fix some reliability issues with suspend-to-ram (upon laptop lid being closed), I want to inquire which software is involved with this. So that I can resolve the following issues: "...
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Error on nouveau after fedora 30 update. GDM gets stuck

Few months ago I updated my fedora system from version 29 to 30. When I locked my system and went back to login, the gdm would get stuck and load after a lot of time. Not only the gdm got stuck, but ...
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Any way to force resize/scale fixed size windows on Gnome desktop?

I'm playing a game, that requires a lot of grinding, so I want to do some multitasking. The game supports windowed mode, but the lowest possible resolution is 1024x768. I wan't to scale it down to ...
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Second Screen not working after login (Kali Linux x64)

I installed Kali Linux (x64) with GRUB Dual Boot to my PC. I want to use 2 monitors. On Windows 10 working everything perfectly (So there is no hardware problem). My video hardware: Nvidia GTX 650 ...
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1answer
90 views

Can't login through gdm - Loop in login on particular user

I have a local user issue which I don't know how to solve: all users can log without any problem, except one user who is each time kicked back to gdm screen though password authehtication succeeds (no ...
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Set up xdmcp for remote desktop forcing udp v6 with gdm

I am trying to set up remote desktop into a Centos6 distribution with gdm. This is my configuration file /etc/gdm/custom.conf [root@localhost ~]# cat /etc/gdm/custom.conf # GDM configuration storage [...
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GNOME wont lock screen with lightdm?

I am using Arch Linux with the GNOME desktop. After using LightDM for a while, I decided to give gdm a try out of curiosity. I installed gdm for a bit, but I didn't like it, so I decided to go back to ...
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Error when using xmonad on Debian Buster after distribution upgrade

Upgrading Debian from stretch to buster, and I've had troubles starting xmonad. What doesn't work I previously started from the login manager, but now either with gdm3 or lightdm, I get thrown out ...
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What could cause an ata4.00 error even without any harddrive when installing Debian 9.9 from a live USB?

I have a problem installing (running) Debian9.9 on my system. First my setup: ADATA M2 256G - The destination drive WDC Blue 2T - Data disk Samsung EVO 120G - Windows 10 drive USB SanDisk 16G ...
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Arch - Gnome won't boot after disabling lightdm and enabling gdm

I was trying to find a way to lock my screen in Gnome, so I followed this forum, but when I rebooted Arch, I am stuck with a black screen and a cursor that doesn't move as shown here.
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Nvidia Graphics driver problems with gdm3 and external display connection

I'm experiencing multiple issues with my Nvidia driver, the one I'm trying to fix right now is that my laptop won't detect an external display connected via HDMI. For some reason I don't have a xorg....
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GNOME 3 autologout => gdm fails to restart X server

My O/S is CentOS 7.6 with all updates as of today. I have a system where many users log in and run GNOME sessions via VNC (xrdp). I do not want idle sessions hanging around forever, so I followed the ...
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Gnome shell crashes when login in to a standby session when the screens are connected

I'm using two external screens with two mini display ports with Debian 9.8 on Wayland with Gnome. Use case is I let the computer to go to sleep (stand by) then connect again to screens and tries to ...
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1answer
388 views

Can’t autologin with GDM

So I don’t understand because this always worked for me but after a new Arch Linux install I’m always prompted the GDM login screen. I enabled autologin through gnome-control-center (“Connexion ...
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4k views

Debian 10 (buster) - gdm3 only starts after “systemctl restart gdm3”

I've currently set up a new install of Debian stretch. I followed the description on how to update to Debian Testing (buster) and everything went perfectly. I rebooted the system, and everything went ...
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1answer
359 views

gdm not showing no more

I was using KDE 4.13 (maybe not sure) on Centos 7, apparently without any problem while during last boot it doesn't appear the login gdm screen. It seems it is going to appear but in the end the ...
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1answer
519 views

GDM Can't unlock screen

Recently I've upgraded GNOME (GDM etc.) from 3.28 to 3.30 on my Manjaro. I have ASUS GL552VW notebook running linux 4.14 and intel-i915 driver, nouveau is blacklisted and nvidia is not installed. ...
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How do I set gdm monitor/display/screen setup to generic mirroring?

I have three displays and one TV connected to my computer. gdm (gnome display manager) somehow thinks that the main display is the TV. To circumvent the problem for all setups: How do I tell gdm to ...
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1answer
648 views

Running ibus with i3 on Ubuntu with multiple users

I have Ubuntu 18.04 running and I installed i3 as my display manager. In this Ubuntu version, it is nevertheless the default to have a GDM login screen. If I login into any account, Ubuntu starts that ...
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Stuck in a login-loop in lightdm and gdm, but not with xfce and other systems

The interesting part is I found that I was able to login with xfce but not with either lightdm or gdm. (I am using Ubuntu 16.04)
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Why does SaK kill gdm, which is running on a different VT?

I run Fedora Linux 28, and have enabled sysrq. I pressed Alt+PrtScr+K, to kill a non-responsive X session. But this also restarted gdm, and one other X session, which were running on different VTs. ...
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How to execute command before user login on linux

That's a question I've seen several time for several Linux flavours, so let's try to be exhaustive. What is the method to execute script/command/program before and after user login into its desktop ...
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857 views

How to disable virtual keyboard on GDM screen

After an update to F28, every time I reboot my machine, the GDM screen is showing an ugly, unnecessary, and useless virtual keyboard instead of the login screen. How do I disable that? My login ...
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How do I add a window manager to GDM under Wayland?

I'm developing my own window manager, and I want to select it in GDM instead of Gnome so I can test it. I've found some X11 examples, but nothing for Wayland.
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848 views

After recent update of Arch linux, GDM login screen is missing text

This is an Arch install with Cinnamon DE and GDM. I am still able to login at the screen but the text on the screen is mostly missing. What I mean is that there are two buttons that appear and the ...
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1answer
146 views

$GDM_USER has no access to $XDG_DATA after manually changing location of $XDG_DATA

I have a small office with 5 desktops and a server, all of them running on Debian. I have just upgraded the clients to Stretch and see only 1 error in the journal that bothers me: gnome-settings-[...
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1answer
88 views

GNOME3/GDM first login fails but second login succeeds

When my system boots up, and I click my username, and enter my password, the login attempt fails. However, when I try the exact same password again, I can successfully log in. What could have caused ...
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1answer
5k views

How to configure gdm for login into a sway session?

I have installed sway window manager on Fedora 27. The system uses gdm as its login manager. But gdm does not provide sway for selection as the login session. Only Gnome, which is also installed on ...
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1answer
1k views

Xorg Conf: NVIDIA performance settings for AC/battery?

I'm currently running Fedora on an old Thinkpad T530 and just configuring it to my needs. I'm using GDM/Gnome Desktop (on Xorg, not Wayland). I've installed and configured the proprietary NVIDIA ...
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2answers
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How to automatically `ecryptfs-mount-private` on `gdm` login in Fedora 27?

I have installed Fedora, but used existing /home partition from previous Ubuntu install: partitions: /boot/efi, / (formatted during install), /home (kept from Ubuntu), user was set-up with same ...
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zsh .zprofile / .zlogin not being sourced on gdm login? [duplicate]

I have noticed that ~/.zprofile and ~/.zlogin are only loaded (in my computer) when I use a login shell, but when I login with gdm, they are not run; ~/.profile is ran instead. Is this normal?
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How do I force Xorg to launch with display :0 in Redhat 7.2?

I have a Redhat 7.2 server that we realize sometimes loads with the DISPLAY variable set to something other than :0 (not sure why), which other apps have a dependency on. I'm not sure of the reason, ...
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1answer
418 views

Logged in loop on gnome shell on fedora 26

When I tried to logged-in on gnome shell, it will just goes black then after a few seconds it will just comeback to GDM. I am using fedora 26. Any advice how I can fix this? thanks. Edit:(requested ...
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316 views

Debian - problem logging in with main user - gdm? gnome?

I'm using Debian buster/sid. I updated my system and after a reboot my mains user cannot login through gdm. X is not starting. I can login through command line. I created a new user and I could ...
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1answer
4k views

How to set i3 to be the default window manager?

In the Kali login, I have to select i3 in the menu in order to use i3 instead of gnome. How to set i3 as the default window manager (no need of selection?
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1answer
927 views

Why GNOME Display Manager always read .profile?

I recently switched from terminal prompt login (getty?) to GNOME Display Manager. It seems that GDM always reads .profile, regardless of user's setting of login shell (Zsh in my case). Why is that? I ...
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1answer
574 views

modify user login screen details (gdm)

I have a single linux desktop at home, with every member of the family having their own user name / login combo (shared external drive for sharing pics, docs etc). I have realised that the GDM login ...
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gnome-shell in Linux Fedora “fakes” exit

My question is about the behaviour of gnome-shell, started on login through the GNOME display manager, in a Fedora 24 framework. If I issue from the Linux console the command ps -aux (after logging ...
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2answers
2k views

Can't login to fedora 25 gnome, except by using startx from tty

Last week fedora 25 gnome software center installed a buggy gdm version on my system, I removed it but still having problems. I'm using Gdm and Wayland session. I can't login to fedora from login ...
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1answer
999 views

How to set default gnome-classic and root user on gdm (OpenSuse Leap 42.2)

I'm using my linux only managed by root user (I know is not the best practice). The first point is, since beginning, my gdm is not showing root user on the initial list, so there is not available ...
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2answers
2k views

Xrdp not working with CentOS7. Is there any alternatives?

Every time I try using xrdp, I get a message that says "Oh no! Something has gone wrong." and "A problem has occurred and the system can't recover. Please log out and try again." I feel like it is an ...
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1answer
898 views

Start two X servers on boot on RHEL

I have a powerful machine that I want to use as a multi-seat system. It has two graphic cards and two pairs of keyboards and mice. I've been able to successfully configure two "seats" using udev and ...
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Run Script After Unlocking GDM [duplicate]

Hi I already tried all solution from execute-a-command-on-user-logon, and used PostLogin option of GDM.... The problem is all of these option are only works when system boots up but it's not what I ...
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613 views

Lock screen not locking with LDAP on CentOS 7

On my system some users authenticate with LDAP, others have their password stored locally (standard). The problem is that LDAP-users cannot lock the screen. When pressing Windows-Key + L the screen ...
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1answer
121 views

gdm Ask for password again while I start it from already logged in tty

I have an archlinux 4.4 lts kernel. For some reason I did not allow gdm to start automatically at boot. When I'm logged in tty and start the gdm with command systemctl start gdm the gdm starts and the ...