Questions tagged [gdm]

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

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GNOME lockscreen disable Quick Settings

I don't like the idea of being able to toggle the radios or connect to a Wi-Fi network on the login/lock screen. Thus I would like to disable the "cards" of the Quick Settings menu, but ...
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Black screen after login when using gdm3

It's been two days and several attempts after since I'm trying to fix the gdm3 on my Dell with Ubuntu 22.04.3. All of a sudden one day after starting the notebook and the user's password, I get a ...
Lucius's user avatar
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Connecting via VCXSRV leads to a blank screen

When trying to use vcxsrv on my laptop I am unable to remotely connect to a Linux system. I just get a blank screen during the remote connection attempt. I have captured the log file as shown below: ...
hymcode's user avatar
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Why all Xorg log messages are written to journal at level 4 (warning)?

All the content of Xorg.n.log can be viewed with journalctl. As Xorg is launched by GDM (if I understand it correctly), it always has the --identifier=/usr/libexec/gdm-x-session. But despite this hint ...
Kelly Roadkill's user avatar
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30 views

GDM doesn't start after plymouth (bootsplash) and returns to grub - Debian on a Oracle Virtualbox VM

Each time when I start this VM with Debian I can't able to reach the GDM screen to make the login, instead of it, when the machine is initialized on grub it goes to the plymouth and after that it ...
user568513's user avatar
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635 views

Dual Monitor - gdm3 uses wrong monitor

I have a dual monitor setup for Debian and my Desktop Environment is GNOME. I set the primary screen to screen 1 in Settings > Displays and it works fine. But my Display Manager gdm3 does not ...
jnr5222's user avatar
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Is there a way to change failed login message on Linux systems (GDM)?

On CentOS7, when a login attempt fails, a message Sorry, that didn't work. Please try again. is prompted. Is there a way to change this message? Also, is there a way to customize the message ...
gokbeykeskin's user avatar
1 vote
1 answer
314 views

My KDE is using gdm, and I think it's causing errors

My system is debian 11 and recently I migrated from Gnome to KDE. I don't think I did a clean job migrating it, but all I did was installing KDE in tasksel and swapping the desktop environment. My ...
Jackson's user avatar
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gdm doen't start on Debian 11

When I start Debian 11, it can't enter into GUI desktop. Everytime, I enter my name and my passwords then I enter the code: su systemctl start gdm Then I can enter into the GUI desktop. How should I ...
Y. zeng's user avatar
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1 answer
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Remove Suspend / Restart / Power Off… menu from Gnome Shell & GDM

I need to remove Suspend / Restart / Power Off… menu from Gnome Shell & GDM. I’ve been trying using Settings, Gnome Tweaks, Dconf Editor, but nothing found AFAIK. Trying to enter the Polkit conf ...
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I cannot log in to any of Gnome desktops on Fedora 37, but all other users can

I am running Linux on a completely updated Fedora 37 system. I encountered a problem a few days after my latest update (note that I had logged on and off and rebooted my machine several times between ...
Jomack's user avatar
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6 votes
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5k views

Remote Desktop Solution for Ubuntu 22.04, Wayland, RDP, and session management

I've been looking for a Remote Desktop solution for Ubuntu 22.04. 'gnome-remote-desktop', Ubuntu 22.04's standard RDP solution, automatically quits when the user logs out and it does not support login ...
dualism's user avatar
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771 views

How do variables exported in `/etc/profile.d` end up in the systemd user environment on Gnome?

On Gnome with Systemd, systemd user environment variables are configured using the systemd environment.d mechanism, which doesn't rely on shell scripts, but on configuration files. In parallel, many ...
Phylliade's user avatar
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1 answer
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How to get rid of the virtual onscreen keyboard during login?

After updating from Ubuntu 16.04 to 18.04, the login screen automatically changes to only accepting the password via clicking a virtual onscreen keyboard.  It is very inconvenient and annoying having ...
water stone's user avatar
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244 views

Fedora 36 login screen no icons and no cusrsor

Login screen icons are not visible anymore and the cursor is a transparent white box. This happens only when in the GDM login screen. Icons and cursor works fine when inside Gnome DE. Tried ...
Saminda Peramuna's user avatar
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37 views

Runnig python window app on linux (Fedora) without gdm

I have a small project, the project is running python (windows application) as below.On linux Fedora without using gdm,Gdm must be disabled. Any Idea please? What library I have to download ? # ...
Tarik Alkanan's user avatar
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GDM Crashed after upgrading Arch Linux

OS : Arch Linux. This happened 3 weeks ago i updated my system sudo pacman -Syu then after reboot GDM Crashed and tried reinstalling GDM using live usb, magically worked, yesterday happened again i ...
DevProd_'s user avatar
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gdm's systemd user process triggers automount

I'm trying to set up a hard drive that's in an external enclosure, so I added the following fstab entry: LABEL=Mothership /var/local/Mothership btrfs noauto,nofail,x-systemd.automount,x-systemd.idle-...
TheSola10's user avatar
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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 ...
nk2's user avatar
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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 ...
Eyad Mohamed's user avatar
2 votes
1 answer
1k views

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 ...
Jon's user avatar
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1 answer
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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 ...
yael's user avatar
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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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2 votes
2 answers
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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 ...
Error404's user avatar
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3 votes
1 answer
8k views

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 ...
Buket's user avatar
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1 answer
552 views

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 ...
eephyne's user avatar
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2 answers
941 views

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 ...
Kippi's user avatar
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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 ...
KJ7LNW's user avatar
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1 vote
1 answer
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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 ...
lanf's user avatar
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2 votes
0 answers
708 views

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 ...
Edlira Tripisa's user avatar
0 votes
1 answer
420 views

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 ...
Tarantoga's user avatar
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1 answer
367 views

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 ...
TSG's user avatar
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1 vote
0 answers
195 views

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 😑 - ...
richardev's user avatar
1 vote
2 answers
2k views

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 ...
Spartan Scrub's user avatar
0 votes
0 answers
770 views

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 ...
Karan Ahlawat's user avatar
1 vote
1 answer
817 views

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 ...
Erik Bennett's user avatar
1 vote
2 answers
2k views

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 ...
adatum's user avatar
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1 vote
1 answer
763 views

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 ...
ron's user avatar
  • 6,607
1 vote
1 answer
360 views

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 ...
Chris's user avatar
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1 vote
0 answers
186 views

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 ...
esantix's user avatar
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0 votes
1 answer
404 views

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 ...
siddhadev's user avatar
1 vote
1 answer
41 views

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 ...
Nikita Grygoriev's user avatar
0 votes
1 answer
4k views

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 ...
Elijah Lynn's user avatar
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4 votes
1 answer
1k views

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 ...
Tim Richardson's user avatar
1 vote
0 answers
580 views

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 ...
pp99's user avatar
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1 vote
1 answer
10k views

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."
martin's user avatar
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3 votes
1 answer
17k views

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 ...
gervais.b's user avatar
  • 183
2 votes
1 answer
269 views

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 ...
pp99's user avatar
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1 vote
0 answers
371 views

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 ...
user826955's user avatar
3 votes
2 answers
8k 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 ...
Babak's user avatar
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