Questions tagged [gdm]

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

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Debian No graphics after log-in (only wallpaper) - missing package?

During my install I some packages were not installed due to errors. Graphically, something is missing. Whether using gdm or lightdm, after logging in I am simply presented with the wallpaper image, ...
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GDM does not start on void linux

According to void wiki, I installed these packages: xbps-install -S gnome-core gdm. I also installed dbus package and enabled it on startup. The wiki then recommended to test the service, so i ran ...
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gnome shell doesnt start after login

i need to your help emergency .after crashed my system , restart it , after login its stuck in black screen . i go to tty and get some logs , i know its related to limits policy but when change it ...
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after crash manjaro's gdm doesnt start

i had been working on test disk for recovering lvm external hard , i'v got crash after that i can see the login but after pass the login it goes to black screen and gdm doesnt start this is my log ...
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Debian 11, Failed to start GNOME display manager

I have been using my usual Debian 11 installation then I launched a command of systemctl reboot, after reboot I have got a black screen which stayed for around 30 seconds before the grub screen ...
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How do I handle PGP issues when installing gnome

I have just finished a fresh installation of Arch Linux in the same way I have many times, and in accordance with the Arch Linux installation wiki. I am trying to install gnome and am using the ...
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how to avoid delete files that comes from gdm-session & cause of increasing used /var

from lsof we can see the following output lsof /var | grep delete rsyslogd 9664 root 4w REG 253,2 25589554694 67267903 /var/log/messages-20210513 (deleted) rsyslogd 9664 root ...
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What (user) startup scripts are sourced when launching XFCE4 through GDM?

Scenario: I'm running Fedora 35, with GDM being the login manager, and XFCE4 being my desktop environment. XFCE4 has an autostart feature. Essentially a bunch of .desktop files, which describe a ...
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RHEL8 - cannot set the default session for root; config file resets after reboot

On my RHEL8.5 server I am trying to set the default session for root from gnome-classic to gnome. Following Redhat's documentation (this guide is for RHEL7 but I haven't found an equivalent for RHEL8),...
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Unmet Dependencies ubuntu-desktop

I am on Ubuntu 20.04 Because of some reason I needed to reinstall Gnome, but now after purging it I can't reinstall it. I am getting unmet dependencies error. Exact error message - sudo apt-get ...
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gdm3 or lighdm not working (X11 won't start)

I am using Debian 9. After installing Gnome I only see my mouse cursor on my computer screen. I uninstalled Gnome and enabled X11 but it didn't work. I need to connect to the board I use via ssh and ...
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GDM lock screen after resume

I saw a really old question a but like this one but with no answer and no activity in three years. I'm on arch linux with GDM and gnome and when I resume my laptop from suspend, the screen is on what ...
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GNOME/gdm disable reveal password button

On the gdm login screen and on the GNOME lockscreen in the password entry box there is this little password reveal button at the right side. Since this is a toggle some classmates were able to trick ...
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Gnome (gdm) logs in and immediately locks the console. The logs indiciate "WARNING: Could not get session id for session."

Immediately after login to gdm the screen locks and we get this error in the logs: gnome-session-binary[25582]: WARNING: Could not get session id for session. Check that logind is properly installed ...
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How to disable the default gdm login screen

I'd like my Debian 10 box with vanilla GNOME to prompt for login at a tty/text terminal instead of having the gdm GUI pop up by default. Is there a way to change some config such that it works like ...
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Issue with Tails Bootloader and Video Card

When attempting to run a Tails boot-loader, I received: Error starting GDM with your 2 graphics cards: At the time of the error msg I was using a fresh Tails v4.22 boot-loader on my early 2011 ...
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Not able to sleep on Ubuntu 20

Im running Ubuntu 20.0.4 with Ryzen 5 5600x. As soon as i click suspend button the pc its suspended only for 1 second and turned up again. The monitors go off but computer never go off. I managed to ...
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Ubuntu desktop (gnome) running as a background process

I've got this instance of Ubuntu server where after booting up gdm start a session automatically and the desktop graphical interface runs offline as a background process i.e not on the standard output ...
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Fedora 34 GUI starts up with desktop selection option

I just installed a fresh Fedora 34, and plan to use this as a home theatre. While my Fedora starts fine, the desktop starts shrunk down, as if I am supposed to pick from one of multiple desktops as ...
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Python tkinter GUI is being pushed behind GDM3 polkit password window

It seems that my Python PAM RFID solution development has come to an end 🎉 and I finally finished developing kind of working GUI solution as well. Issue But, of course I ran into one final issue 😑 - ...
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Running GUI solution on top of ANY display manager login/lock screen on Ubuntu 18.04

I'm back with follow up question to the same topic I created last week. Short background story I started creating PAM python 2FA RFID authorization solution, that would work on SDDM login/lock screen, ...
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How to configure default DISPLAY variable on gdm for x11vnc to work (changed in CentOS 8 from CentOS 7)

Problem: GDM/KDE is defaulting to use DISPLAY :1 instead of DISPLAY :0 in CentOS 8, and I want it to use DISPLAY :0 like in CentOS 7. This is affecting x11vnc and causing more of a headache to VNC ...
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ZorinOS, based on Ubuntu 20.04, stuck on the Zorin splash screen

New to Linux. Will try to keep this concise. After using Zorin today, I accidentally hit the logout button, and it dropped me into the tty. But before the tty became interactable, i.e, before I could ...
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How do I specify Xwayland server options in CentOS 8?

I'm using a generic CentOS 8 install. By default it uses Xwayland as its X server, and it doesn't listen on tcp. A quick ps aux | grep Xwayland shows: gdm 2431 0.0 0.2 1746156 65456 tty1 ...
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USB camera not working, recognized as keyboard

Plugging in a USB UVC camera is being detected, but recognized as a keyboard, on a laptop running Fedora 34. cheese does not see this camera as an input device, only the built-in webcam. How can I get ...
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Gnome Display Manager (gdm) runlevel 5 not working, black screen on console

I have a supermicro server that has worked fine for however long, and monthly do yum update on it and it is currently at RHEL 7.9 3.10.0-1160.15.2.el7.x86_64. It is one Nvidia K620 graphics card ...
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Fedora 33: Installing Nvidia Drivers from Nvidia

I want to preface this by saying that I understand RPM-Fusion exists and that it has a way to install Nvidia drivers. But, I am using Nvidia's cuda repo instead because I am interested in development ...
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Fedora TTY Innacessible

I logged out of my fedora system, and I was presented with "Oops! Something went wrong." There was no option to log out. I went to another TTY, then pkill'ed gdm and gnome (as root), ...
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Edit GDM login screen (not background)

I have fingerprint authentication enabled and password disabled. Still the login screen shows the rectangle where you write the password. I doesn't affect my login since it is disabled but I wish to ...
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annoying CTRL+F# instead of CTRL+ALT+F# Virtual Terminal Switching on Fedora 33 with sway wayland and gdm

I have the annoying problem that CTRL+F# is switching to a Virtual Terminal. This should normally be done with CTRL+ALT+F# but for some reason it is also triggered by CTRL+F#. I actually have an ...
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Tiny cursor after logout

I am using GNOME with a 4k monitor and 200% scaling and everything seems to be working fine, but after logging out and logging back in, cursor scaling seems to reset to 100%. I am attaching the photo ...
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Boot hangs at "Reached target Graphical Interface" on Arch after system update (no virtualbox)

A month or so ago my Arch system started hanging at "Reached target Graphical interface" and never launches Gnome Display Manager (GDM). I eventually found a workaround which was to simply ...
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a gdm-owned /usr/bin/gnome-shell consumes ever more resident RAM in pop!os 20.04: the process should not exist

This is pop!os 20.04 running under X. According to this issue https://gitlab.gnome.org/GNOME/gdm/-/issues/222 once upon a time gnome kept open two gnome shells, one for the user and one for the ...
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SELinux preventing write access to files

I have written a PAM module. This PAM module is loaded by processes gdm-password and gnome-screensaver (found on RHEL 6.4). The pam module wants to write some logs to a db file under user's home ...
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how to disable gdm and graphical interface on RHEL 8.2 [duplicate]

I've tried systemctl disable graphical.target and didn't work. inittab says exactly "ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM."
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Ubuntu, detect new display

Running Ubuntu based Os on my Laptop, I have an external HDMI display that is not detected. I tried lspci and xrandr but the display stay "disconnected". How can I detect the display and extend my ...
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How to develop fingerprint login for Linux desktop?

I am working on developing an application so that user can login to their Red Hat Enterprise Linux 6.4 desktop using fingerprint. I have the required driver and SDK for the Secugen fingerprint sensor ...
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No login screen in debian 10.3 after installing MATE

I had a fresh installation of debian 10.3 with gnome installed, and I went ahead and installed the MATE desktop additionally. During installation I was asked whether I would like to use gdm3 or ...
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2 answers
5k views

Only one X Screen working; how to get two X Screens?

Inside nvidia-settings (running with sudo elevated privileges), I am unable to get a second X Screen to work. Here is a step-by-step description of one thing I have tried: On the left, select "X ...
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CentOS7/GDM/Xfce - Locale set to xxx.UTF-8 at session start despite system-wide locale to xxx.iso88591

I'm using CentOS 7 with XFCE and GDM. My issue is as follows: I want my locale to be LANG=fr_FR.iso88591 (required by an antic piece of software). Following CentOS official guide, I did the ...
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Why does GDM lock screen allows entering partially correct password to login?

I am using GNOME 3.34.2 on OpenSUSE Tumbleweed(20191221) with GDM. I locked my screen and was able to get back in just by entering the portion of correct password greater than a certain threshold ...
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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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3 votes
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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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1 vote
1 answer
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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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2 answers
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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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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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