Questions tagged [gdm3]

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

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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 ...
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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 ...
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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 ...
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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....
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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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Debian Testing - Gnome Session (GDM3) Frozen Gray-Screen after Login

I run Debian Testing and since 4 days i can no longer log in into my desktop, after i enter my credentials (gdm3/gnome-session) and press enter, the screen gets fully gray and does not load the ...
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Ubuntu 20.04 freezes on keystroke (rfkill: input handler disabled)

Ubuntu 20.04 Lenovo Legion 5, 16 GB, Intel i7 10th gen, nvidia GTX 1560ti Runnig dual boot, windows just works fine. But on ubuntu I am recently getting random crashes or crash like behavior all on a ...
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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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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-...
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is it possible to use GDM login screen as Xorg while keeping the ability to use Wayland sessions for users?

I am on Arch Linux. contents of /etc/gdm/custom.conf file. # GDM configuration storage [daemon] # Uncomment the line below to force the login screen to use Xorg #WaylandEnable=false [security] [...
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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 ...
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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 ...
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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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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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2 votes
1 answer
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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 ...
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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 ...
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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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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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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 --...
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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 ...
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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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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 ...
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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 ...
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3 votes
1 answer
906 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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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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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 ...
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2 votes
1 answer
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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 ...
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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 ...
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5 votes
1 answer
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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11 votes
3 answers
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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 ...
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12 votes
4 answers
16k 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 ...
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4 votes
2 answers
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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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Ubuntu wifi connected but not working correctly

I just installed Ubuntu 16.04 LTS on my old Lenovo G50-80. I've been having issues with getting the wifi to work from the start. During install I gave it a network cable and then after the install I ...
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GDM3 Service Not Found

I just downloaded debian ISO and installed it on an old machine.... boot brings me to a command prompt... I log in as root ... enter the command: service gdm3 status And get the response Loaded: ...
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