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Questions tagged [gdm3]

graphical login prompt and desktop manager under the GNOME 3 environment.

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Ubuntu GUI after uninstalling GDM and x windows system

I read here about the difference between GUI,display manager, windows manager and desktop environments: https://askubuntu.com/questions/411147/what-is-the-relationship-between-unity-gnome-gnome-3-...
hutcruchi's user avatar
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Ubuntu fails to boot because of gdm problem

I’ve been running into an issue today where Ubuntu refuses to start and hangs on the boot screen. Dropping to the tty shell, I think this is because gdm fails, with the error shown in the picture. So ...
alexbstl'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
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How to disable "Other users are logged in" message in Gnome shutdown dialog?

(Example screenshot taken from https://askubuntu.com/questions/1343872/ubuntu-shows-other-users-are-logged-in-whenever-i-shut-down-even-though-i-am-the) For security and privacy reasons and to reduce ...
kylex's user avatar
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Stop gdm conflicting with physlock

I maintain a desktop environment that uses physlock as the screenlocker. Users launching the desktop environment from the GNOME Display Manager reported that gdm barges in when the screen is locked ...
geb's user avatar
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How do I disable video information on gdm3 login screen?

I'm using Ubuntu 22.04 with KDE Plasma DE and gdm3 login manager. When I open my laptop lid, the login screen shows the title and control buttons for some recent video that I was watching in my ...
Darien Marks's user avatar
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Start Graphical Interface

I recently subscribed for a cloud company and launched application server under debian 10.5 I wanna go from command-line to graphical interface, but I can´t I typed startx , but I got. I tried using ...
ThinLizzy's user avatar
1 vote
1 answer
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gdm3 hangs on logout (black screen)

I currently have installed 'kali-desktop-gnome' on a kali live with encrypted persistence which automatically installs gdm3. I have gdm3 configured as the default display manager. Everything is fine ...
undigit's user avatar
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Installing gdm3 causes settings to crash, doesn't work on pre-existing accounts

so on my fresh Xubuntu install (dual booting with macOS Catalina), I wanted to install gdm3. I used the following commands: sudo apt-get install gdm3 sudo systemctl enable gdm3 sudo systemctl disable ...
Aaron's user avatar
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2 votes
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What is responsible for starting the session bus in gdm3?

I'm trying to get gdm3 working on Alpine Linux, but it fails on finding the session bus. Specifically, this assertion fails: https://gitlab.gnome.org/GNOME/mutter/-/blob/40.4/src/wayland/meta-wayland....
Newbyte's user avatar
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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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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
3 answers
6k views

VNC Server with GDM login

I'd like to set up VNC server on a Debian machine to run as a service so I can turn on a remote machine and access it without the need to be physically present. One option is to set it up in the user-...
Stewart's user avatar
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other desktop environments is not working

I installed xfce4 desktop environment. But when I select it, it does not enter and only shows a black screen. I installed other distributions but again encountered the same problem. The screen turns ...
AliB274's user avatar
6 votes
2 answers
626 views

PAM fingerprint login blocks password

Is there a way to make PAM run authentication modules in parallel? For all people who use PAM this may be useful. It seems that PAM runs authentication modules in sequence and blocking. What that ...
Aleksandr Panzin's user avatar
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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 ...
Elijah Lynn's user avatar
4 votes
1 answer
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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 ...
Tim Richardson's user avatar
1 vote
1 answer
322 views

GDM login screen only appears after switching virtual console

I have a fairly stock Ubuntu 19.10 installation (gdm3, Gnome 3.34.2). On reboot (after the luks password screen) I just get a solid coloured screen but with no username or other content. I can get to ...
Cris's user avatar
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2 votes
1 answer
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Xorg wont Start with amd rx 5700 xt on Debina 10

I'm currently struggling with the new AMD Radeon RX 5700 XT. I'me runing Debina 10 ... For some Reason starting Xorg fails with: (EE) Fatal server error: (EE) Cannot run in framebuffer mode. Please ...
Lost Demondragon's user avatar
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1 answer
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Black screen after splash screen

Im using Debian 10 Buster GNOME Editon. Yesterday I met with this issue. After I boot Debian, the splash screen comes correctly, but after that it simply gets stuck (ie becones a still image) and ...
J Arun Mani's user avatar
1 vote
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439 views

Why should I login multiple times on Debian to access to my session?

I have a similar problem than this one: Debian Log In Failure With Correct Password. Indeed, when I start my computer, GDM ask me to enter my password and I have to do it multiple times (three or four ...
Pierre's user avatar
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1 answer
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How to autologin in debian 10?

I just installed debian 10, but it wants able to make it autologin into mate after the boot, Im using gdm and try to edit the /etc/gdm3/daemon.conf Uncomented the autologin and user lines but ...
riccs_0x's user avatar
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2 answers
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How can I restore login in GDM3 screen? It disappeared after upgrade from Debia 8 to 9, thus GDM3 doesn't starts anymore!

During an upgrade of Debian 8 to 9 I was asked about PAM Modules package installation. How i didn't knew the correct answer, I choosed option 1. Unix Authentication. Now the GDM3 doesn't starts ...
Vasconcelos1914's user avatar
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111 views

Gnome3 Session Startup File

What is the location of the "Gnome3 Session Startup File". I use Ubuntu 18.04 with gdm3 as display manager. I want to export an environment variable (persistent) for GUI (desktop) application. Also,...
Porcupine's user avatar
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2 votes
0 answers
315 views

Enable dead keys in Gnome login screen (Gnome 3.30.2)

I am running Kali Linux 2019 with Gnome 3.30.2 on a somewhat older Lenovo ThinkPad s540 and I am really enjoying modern Gnome. I do have a problem though; I'm located in the Netherlands, so the ...
Bas Groothedde's user avatar
2 votes
1 answer
1k views

How to export functions from .profile during graphical login

I am using Ubuntu 18.04 with GDM. I am trying to export some bash functions from my .profile. As explained in this very good resource, the main difference between .bashrc and .profile is that the ...
tyrion's user avatar
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1k views

Debug display manager not starting

I am a proud owner of a MacbookPro10,1 (retina). I have installed Debian stable on it and it has been working great so far, until today. If I leave grub untouched and boot in default mode, I see the ...
malat's user avatar
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2 votes
2 answers
12k 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 ...
bam's user avatar
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4 votes
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1k views

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 ...
Jodka Lemon's user avatar
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2 votes
1 answer
3k views

xrandr commands from gdm

on debian to use my two monitors I have to run (from a running X): $ xrandr --setprovideroutputsource modesetting NVIDIA-0 and: $ xrandr --output HDMI-0 --mode 1920x1080 --primary --pos 0x0 --...
Antonio Giungato's user avatar
2 votes
0 answers
407 views

gdm incrementing X display numbers

Using RHEL 7.4, GDM 3.22.3 Essentially, my problem is that every time I log out of gnome (as any user,) gdm stops X and starts it on a different display number. This is only really a problem because ...
Kevin's user avatar
  • 223
2 votes
1 answer
1k views

How to prevent root login from GNOME 3 login screen (Arch Linux)?

I am running an up-to-date installation of Arch Linux and GNOME 3.28. For security reasons I don't allow root login in the consoles. I have done this by configuring /etc/securetty. However, it ...
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0 votes
1 answer
1k views

Set up xdmcp for remote desktop forcing udp v4

I am trying to set up remote desktop into a Debian stretch distribution, I set up the file /etc/gdm3/daemon.conf. [daemon] WaylandEnable = false [security] DisallowTCP = false [xdmcp] Enable = true ...
user avatar
1 vote
0 answers
460 views

gdm3 session manager stopped after a Debian Stretch update

After an update the boot to between the GRUB menu and the session manager gdm3. For recovery mode I installed other managers and they all work, but I like gdm3. I already used google but for the ...
Matheus Toniolli's user avatar
3 votes
1 answer
1k views

Switching user with gdmflexiserver from i3

Apparently, when using gdm3 (the default of Ubuntu 18.04) we should be able to run gdmflexiserver to get a new greeter and log in with resp. switch to another user. When running the command in my i3 ...
Raphael's user avatar
  • 2,015
2 votes
0 answers
893 views

Can I enable Night Light on the GNOME login screen?

I'm running a GNOME/Wayland desktop environment on a Debian-based distro. When I'm logged in I have Night Light enabled. There's a noticeable switch when logging in at night, as Night Light is only ...
lofidevops's user avatar
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1 vote
0 answers
271 views

Can I make the cursor bigger on the GNOME login screen?

I'm running a GNOME/Wayland desktop environment on a Debian-based distro. When I'm logged in I have enabled Large Text and set Cursor Size: Large, both under Settings > Universal Access. On the login ...
lofidevops's user avatar
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3 votes
2 answers
1k views

How to configure GNOME screen unlock via PAM

I have a setup using pam_time to limit the times when my children can login to GNOME. It works in the sense that if they are not logged in, then when they try to login and the time is not an allowed ...
dlakelan's user avatar
1 vote
1 answer
1k views

CentOS7 how to get xscreensaver working at login screen?

I was able to place the xscreensaver.desktop shown below in /usr/share/gdm/greeter/autostart to run xscreensaver at the login screen. I can see that the xscreensaver process is running as gdm user. ...
Ivory244's user avatar
  • 111
1 vote
2 answers
147 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 ...
Sreehari's user avatar
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1 vote
0 answers
610 views

login using touchscreen software keyboard on raspberry pi

I am trying to get a keyboard for the login screen but I am having some difficulties. I have tried editing /etc/lightdm/lightdm-gtk-greeter.conf as per the page here: Virtual Keyboard on Login Screen ...
somerandomguy95's user avatar
2 votes
1 answer
176 views

Renaming USB-LAN dongle iface for gui logon with gdm on Xorg

[4.13.9-1-ARCH with gdm on Xorg] I saw quite a few posts (e.g. here) related to starting a service at boot or recognizing a usb drive. But here I want to rename the default Ethernet (wired) iface of ...
Cbhihe's user avatar
  • 2,489
1 vote
1 answer
3k views

Debian 9.1 (Stretch) default logon background image

I try to find the image (background) which is shown during logon screen (default installation), without any logo. I've checked gdm3 config and all available wallpapers, but couldn't find it. Here an ...
peoff's user avatar
  • 11
5 votes
1 answer
10k views

Debian Stretch: How do I make Wayland the default?

I am running Debian Stretch 9.1 with GNOME 3 as the desktop environment and GDM for session management. I tried GNOME on Wayland from GDM (gear icon) and it works very well. I would now like to ...
marcv81's user avatar
  • 620
2 votes
0 answers
1k views

What causes the login screen to be scrambled after firmware install on Debian 9?

After installing Debian 9.0.1 (gnome flavor) on an older PC and then installing firmware with: apt-get install firmware-linux-nonfree libgl1-mesa-dri xserver-xorg-video-ati , the login screen looks ...
0ana's user avatar
  • 161
0 votes
1 answer
3k views

Customizing kdm Ghost Theme in Kali linux

I am using Kali Linux and just switched to kdm plasma desktop from gnome. I installed the futuristic ghost theme. As we get wifi and recording icons at the top right of desktop in gnome, i couldn't ...
RaJ's user avatar
  • 101
2 votes
1 answer
13k views

Export Display is not working on Ubuntu Gnome (gmd3)

When I try to export the remote display I do: In my Ubuntu 17.04: xhost + access control disabled, clients can connect from any host Then I make the connection to the server: ssh user@server Once ...
bLuEdDy's user avatar
  • 89
1 vote
0 answers
2k views

Ubuntu Gnome login loop

I am running Ubuntu 17.04. I installed ubuntu-gnome before upgrading to 17.04 and it worked fine. However, after updating I cannot login when I select Gnome desktop environment. It looks as if it ...
Caleb Lawrence's user avatar
12 votes
4 answers
48k views

How do I change my default session?

How do I change the default session I get when I log in? I'm on Debian jessie. I tried changing settings on gdm3, tried installing lightdm and following this but it's just not working. For more ...
Academiphile's user avatar
16 votes
6 answers
20k views

Disable GDM suspend on lock screen

I'm using Arch Linux + GNOME3 on desktop, and when the system starts or the user logs out, gdm displays the login screen for about 20 seconds and then turns off the display (although the computer is ...
Patrick's user avatar
  • 163