Questions tagged [gdm]

GDM is the Gnome Display Manager, responsible for launching an X session, as well as displaying the login screen for the user.

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Debian can't boot completely; how do I make it start Gnome?

I've recently bought a Lenovo Ideapad 5 15ARE05. It comes with Windows pre-installed, but even though I need the Windows, I prefer to work with the Debian operating system. Thus, I freed some disk ...
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how do I get Berry with GDM running?

although this could be a stupid question and i am aware of that, how do i get Berry to run on GDM? the desktop entry exists and it works, however Berry freezes during initialisation, a.k.a. i end up ...
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Restarting the GUI (GDM3) on Ubuntu via remote SSH

Given an Ubuntu 18.04.2LTS on a desktop computer (not headless) which haven't been restarted since at least months. Access is only possible via some remote desktop connection (like vnc) and SSH. Now ...
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Systemd-homed authentication / PAM settings to use for lightdm

I am using the lightdm display manager, with the Aether Theme, on EndeavorOS / Arch Linux, with the PAM configurations laid out in the Arch Wiki, regarding nss-auth and system-auth. The service is ...
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1answer
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Centos7: Using Radeon GPU and GT610 Nvidia GPU at the same time with Xwindows

I am trying to utilize two separate graphics adapters with Gnome on a Centos7 machine. lspci identifies these two adapters as such: 06:00.0 VGA compatible controller: NVIDIA Corporation GF119 [...
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Alpine GDM Login only listing “Linux User”

So I just installed GNOME on my Alpine Linux and my login screen displays only this instead of a list of users as shown here. This is inconvenient because I always must press "Not listed?" to log in, ...
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298 views

bluetooth sink does not show in pulseaudio after successful bluetooth device connection

Bluetooth output does not show anymore in pavucontrol "Playback" tab after successful bluetooth device connection and therefore does not output any sound into the bluetooth device. $ bluetoothctl [...
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Ubuntu 19.10 - Changing default lock screen background

Regardless of what my lock screen background is configured to be, the default lock screen background is still the default eoan ermine. My own lock screen only shows up when I explicitly lock my ...
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How to spawn/show linux login screen on right-side primary display?

My setup: Two displays A and B. A is on the left and B on the right. B is my primary screen. Booting the PC shows the arch login screen on display A instead of display B. Furthermore the mouse ...
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271 views

How do I manually add a remote user to the gdm login screen?

My company is using a Centrify domain server and I have to use my user there to log into my Ubuntu (18.04) laptop. Currently when I turn on my machine the login screen only displays the name of a ...
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Ubuntu 18.04, gdm3, X11 an fixed frame rate

I'm using ubuntu 18.04.02 with 2 displays. The Graphic adapter is connected using DP to an KVM switch, which is connected to an 4K display (called Display 1), which supports only 30hz frame rate. ...
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Debian 3.2.57-3 external monitor detected but no image on it

I'm dealing with a pretty old mini laptop (Fujitsu Lifebook T580) that was originally meant to run Windows7 but someone at work installed Debian on it a long time ago. I'm definitely not an expert ...
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Intel Integrated graphics GDM leaves ghosts/leftovers (also in gnome shell)

I'm using an updated version of Arch linux, and get constant ghosts on GDM + Gnome Shell. Here is an example: I tried both modsetting and intel driver. I tried DRI 3 and 2 I tried SNA and UXA I ...
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480 views

Why does setting LANG=C break console login on CentOS 7

I typically set all of my locale settings to 'C'. It's what I'm used to. I like ls to sort things the way I've been used to for the past several decades. So imagine my surprise and dismay when I ...
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Setting network namespace when GDM / graphical login is done

I am trying to get two different users that share a system to have independent network stacks. I think that I can achieve that thanks to namespaces. At first, I thought of using pam_namespace.so, but ...
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How to autostart an application in GDM3?

GDM3 version 3.28.2-4. Is there a directory or configuration option for programs that GDM3 executes when login screen appears? In my current setup the auto-login shell command is run from rc.local: ...
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Changing GDM Login Screen Behavior: No gdm.d directory

I am running Fedora 28 and am attempting to disable the user list in GDM (as the machine is domain joined, this is undesirable). In CentOS 7 this is as simple as putting a file named "00-login-screen" ...
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Login loop in Kali Linux after updating/upgrading

I've updated/upgraded my Kali Linux and now I'm stuck in a login loop. I've tried everything in console (Ctrl+Alt+F2): dpkg --configure -a sudo apt-get update sudo apt-get upgrade sudo reboot Then ...
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Computer suspends when not logged in

Since the latest update of Gnome / GDM my computer seems to be put into suspend mode when I am idle on the logon screen for about 20 minutes. This was not the case before the update. Current Version ...
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gdm - Use a script to set the automaticlogin user

I use Debian 8 which runs Gnome 3.14.1. I want to setup an autologin, but the name of the user to autolog is not fixed so I want to use a script to set it. According to GDM documentation (at https://...
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Debian not logged in with proper password after upgrade

Just after upgrade my system start to fail when I try to login as normal user both via gdm and tty. However it's not possible to login as root too. When try to login via tty it outputs 'Login ...
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Change GDM Background

I'm using Archlinux (Antergos) with GDM and Gnome installed. Is there any way to change the GDM background ? By setting the Lock Screen background in Gnome Settings, it only changes the GDM ...
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GDM login loops. Startx works

I have just installed Arch Linux in my laptop. I have awesome window manager, and I can start it from the tty with startx. When I install GDM (as I would like to have my computer start directly from ...
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Debian Multi Monitor setup lost after reboot

Ok i am now struggling with this problem since a few days. My problem is i am not able to save the current monitor settings, to apply / save after a reboot. I have 3 monitors and want to mirror 2 of ...
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613 views

Visual bug in GDM for Arch Linux

Whenever I boot into GDM, I get this weird visual tearing of the elements on the screen. I'm able to actually log in (by pressing enter and typing in my password) but the visual elements in the login ...
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How to use Intel controller to run Kali GUI

I've gone through many tips and different steps at this point, and the Kali GUI will still not run. In fact, after installing bumblebee and configuring and restarting, my Kali goes straight to the ...
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Text rendering issues in Gnome Desktop Manager 3

I did an apt-get update on a debian 8 box and it really messed up my system. First of all, it changed my window manager to gdm3. The problem I have is that the fonts are some how messed up. When I ...
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shell environment setup for virtualenv/virtualenvwrapper

The question is about shell setup for virtualenvwrapper, an extension to virtualenv (python guide). Similar questions had been asked many times but with a lot with different answers: Environment ...
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1answer
152 views

Force XWindows Authentication

I start a process with init.d and want to be able to create GUI applications as child processes. Because of the early start of this process, the environment variables DISPLAY and XAUTHORITY are not ...
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How to set environment variables for a Gnome Wayland session

It seems that a Gnome Wayland session ignores the file ~/.profile. At least it is not working for me under a Gdm / Gnome / wayland session with Arch Linux. So the question is, what is the proper ...
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1answer
3k views

How to set default keyboard layout for GDM 3.16?

I have two keyboard layout (Colemak and Qwerty). When I have logged into my Gnome session my keyboard layout is set to Colemak automatically. But for some reason I can't change the default GDM ...
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What's the official way of programmatically changing the GDM login background?

I want to change the background of the GDM login screen on CentOS 6.5 and 7 to bring it in line with other branded systems, and so I have an RPM that delivers a background image into /usr/local/share.....
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157 views

Add option to GDM 3.x that does not have gui

You know how when you login with GDM, and you can select a variety of desktop environments? For instance, mine has Cinnamon, GNOME 3, xfce. How could I add an option that logs you in without a gui? (...
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Desktop not starting after Centos upgrade

I upgraded a server from centos 6.5 (with gnome2) to 7 using the update manager. The problem is that I am not able to see the login screen or the desktop. However the mouse pointer is visible. I ...
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Ubuntu 14.04 gdm with multiple X servers doesn't work

I'm trying to launch 4 X servers with gdm on my fresh Ubuntu 14.04. /etc/gdm/custom.conf [debug] # More verbose logs # Additionally lets the X server dump core if it crashes Enable = true Gestures = ...
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How to change gnome session locale?

How do I change the default locale for my gnome session? I created /etc/default/locale-local with this content: LANG=pt_PT.UTf-8 LC_MESSAGES=en_US.UTF-8 and added this to /etc/pam.d/gdm3, /etc/pam.d/...
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Clear user login list of gdm3 on wheezy - where is it stored?

I tried removing: /var/log/wtmp /var/log/ConsoleKit/history the completet gnome tree in /var/lib and accountservices nothing helped. The user list ist still there. We want to have a fresh box to ...
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gdm3 on debian wheezy not remembering users after reboot

When logging on and off from gnome/gdm3, the last user is displayed as expected. As soon as I reboot the machine (or restart dbus and gdm3) the last user list is empty again. ck-history --last shows ...
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How do I force gdm 3.6 stay on DISPLAY :0?

Every time I log out of my session, gdm moves to a different DISPLAY variable. Judging from /var/log/gdm, it rotates between :0 and :5. I'm finding no documentation on this logic. How do I keep gdm ...
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Change default login manager on Fedora 18

I'm tired of GNOME's problems with my Fedora 18 instance, and decided to move on to another desktop environment. After successfully changing to Xfce, I still couldn't get rid of GDM which annoys me a ...
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369 views

Triple-head works in GDM, but not in Gnome

I've got three displays connected via DVI on two different ATI cards on Arch Linux using the xf86-video-ati driver. All three are currently serving output, but one of my displays (the one on the ...
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How do I change Login Screen Background in Centos 6.3

I want to change the default Login Screen background/theme in Centos 6.3. The INSTALL folder in the theme I downloaded says: Use 'gdmsetup' to install. But gdmsetup isn't a recognized command. I ...
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GDM guest session for Debian Squeeze

Every now and then I would like to give my home desktop or laptop to someone to check their mails or lookup something on the web while I am not watching them. I am using Debian 6 (squeeze) and was ...
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ubuntu12.04 hangs at checking battery state

My 12.04 system hangs at "Checking battery state". At this stage, no commands work eg: ctrl+alt+f1, alt+f5. I ran recovery mode, I ran the command sudo mount -o remount, rw sudo dpkg-reconfigure gdm ...
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523 views

Choose between multiple keyboard layouts for different users in GDM3

I am trying to set up a computer with multiple users each with different preferred keyboard layouts. The biggest sticking point right now is allowing each to log in comfortably. GDM used to offer a ...
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How can I configure gdm to allow X connections to other servers/workstations?

I have an issue on all new installs of CentOS 6.2 on my network. Connecting to remote machines using X11 gui software fails for reasons associated with the xauth. I'm not sure how to diagnose but have ...
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1answer
2k views

Debian squeeze keyboard and touchpad not working / detected on laptop

They work before gdm3 starts. a connected mouse also stops working, but functions after removal and re-plug. no xorg.conf. log doesn't show any loading of drivers for kbd/touchpad [ 33.783] X....
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What is the correct way to prevent non-root users from issuing shutdowns or reboots

Let's say that you have set up a multi-seat system for use in a school or library, allowing GDM to launch multiple X sessions to run simultaneously with different users/keyboards/monitors. By default ...
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login after ubuntu 11.10 upgrade - failed to load session ubuntu

After Ubuntu 11.10 upgrade I'm unable to login via gdm or lightdm. Every time I receive error: "failed to load session ubuntu" Any help appreciated.
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How to change the GDM default background wallpaper to my customized wallpaper or solid color?

I was trying to change the Ubuntu 11.04 GDM default background wallpaper to solid color such as black. However it's not working; here is what I've tried so far: From the terminal: xsetroot -bg black ...