Questions tagged [gdm]
GNOME Display Manager (GDM) is a program which provides Ubuntu GNOME's graphical login screen.
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gdm-password's child process Xorg makes my computer sluggish after suspend
Suspend and resume makes my system sluggish. The CPU load itself is not that much (10 %), but it's more than noticeable, I see it only moving the cursor around.
Logging out and back in does not solve ...
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Failed to prepare CRTC for page flipping, disabling TearFree
I have the following issue: My laptop is suspended and connected via Thunderbolt to by Docking Station. When I press a key to wake up the laptop the external monitor (connected via the dock) turns on ...
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Don't boot shortly after upgrading to 20.04 - but can launch startx manually on recovery mode
Using Kubuntu with Gnome installed (I think this is Ubuntu with extra steps but it's work computer, I did not choose flavor)
Computer is Lenovo T440P with 16 Go RAM (Core i5, integrated GPU)
Upgraded ...
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Can't install gdm3 ubuntu-desktop
Image of the problem:
I received this msg while trying to install gdm3 as I had a problem it was removed and I don't know how.
It says
The following package have unmet dependencies:
I dont ...
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Dummy monitor in 21.10
Until 20.04 I was able to create a fake monitor for remote access of an headless machine in this way:
$ sudo apt install gnome-session gdm3
$ sudo systemctl set-default graphical.target
$ sudo apt ...
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Ubuntu 20.04 somehow starting 2 users?
I have Ubuntu 20.04. I was trying to setup chrome remote desktop and then after I set it up and try to connect I had to choose session it was black screen and when I restarted my computer I prompted ...
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Something has gone wrong even if the upgrade was successfully
There are tons of questions about this error but almost all of them refer to interrupted dist-upgrades. Instead, I've upgraded from 20.04 to 21.10 without any problem (at least, no popups that show ...
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Ubuntu 20.04 Hangs when Unlocking
The problem manifests as follows:
I walk away from my computer, come back about 15 minutes later to find that the screen has gone black and the computer has locked (as expected). I tap the space bar ...
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How to use Wayland for the gdm login screen?
I'm on Ubuntu 20.04 and would like to use Wayland as the GDM login screen, to avoid the gnome-shell owned by gdm consuming my RAM.
WaylandEnable=false is disabled in my /etc/gdm3/custom.conf
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Dozens of gdm-session-worker [pam/gdm-autologin] processes
I have a non-server Ubuntu installation which I mainly use as a headless server. I don't remember what was the first version installed (there were several major upgrades) but right now I'm using the ...
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Active Directory SSSD - Change Password on GDM login Screen
Looking to see if I can expand the capabilities of the SSSD/AD system with GDM, or SDDM.
We want users to be able to change their Active Directory password through our Ubuntu machines, if their ...
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Stuck at blank purple screen after login Ubuntu 20.04
After logging in after a reboot, it just removes the login window thing and gives a blank purple screen with a mouse cursor instead of my desktop. I can ctrl-alt-f2 and then ctrl-alt-f1 back and it'll ...
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wayland login loop after moving $HOME to new SSD
TR;DR
I moved my home dir to a new SSD and manually changed owner to my user. Now I cannot log into wayland unless I log in to Xorg session first.
I moved my home directory to a new SSD using rsync -...
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When I suspend Ubuntu 20.04 with running GDM3, it turns to black screen with no cursor and no mouse-pointer
When I close my laptop's cover, it suspends. But when I open it, it is blackscreen with no cursor or mouse-pointer. I tried sudo apt reinstall gdm3, but it does not work.
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Ubuntu 20.04.3 LTS - Xorg remote connection refused on port 6000
I'm having this error when I try connect (Windows >> Ubuntu).
connection refused on port 6000
I have no idea how to configure Xorg to accept connections on port 6000.
/usr/bin/X
#!/bin/sh
#
# ...
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Starting X-server with different configs for different seats with gdm3
I have PC with two video cards.
I want to use multiseat:
1 seat is local
2 seat is remote (with xserver-xspice package)
There is no problems with lightdm display manager, i can specify x-server ...
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Boot hangs when starting gdm.service
The problem is that it suddenly hangs once the service gdm.service starts. I know this because I have set it to display the processes instead of the splash screen and the last thing that comes on the ...
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gdm3/gnome does not start/crashes
I installed Ubuntu 20.04.3 (Gnome version 3.36.8) on two different systems (one desktop, one laptop). On both systems after the first boot the login manager does not come up and I have to login via ...
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Black screen after sudo systemctl stop gdm
I had a problem with my NoMachine Programm so I decided to use the possible solutions from their website: https://knowledgebase.nomachine.com/AR03P00973
I tried the commands in the graphical desktop ...
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Distortion and tearing effect on internal 4k screen (HP elitebook laptop) with gdm/lightdm
I have a weird distortion and flickering effect happening when embedded videos (inside text content) are running in web browsers or when I scroll in any sort of scrollable content (e.g., webpage, ...
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Execute script every time a user login/logout using a service (gdm)
I'm a newbie in linux and I'll be glad for any help.
I'm using gdm and I want to execute a script **every time** a user login/logout .
To see that the mechanism works, I tried at first to execute the ...
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Custom gdm session logs me out on Ubuntu 18.04
I have a requirement where a sandbox user only needs to see a single application without running Gnome or any DE at all (basically a kiosk setup).
I created a new .desktop file in /usr/share/xsessions,...
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How do I stop the GUI (in Kubuntu 21.10)
I need to stop the GUI and access a TTY for the NVIDIA drivers. I found this question. However, when I tried sudo service lightdm stop (or the same with gdm), it said this:
$ sudo service lightdm stop
...
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autostart is delayed? takes around 90s
After login i expected my autostart apps to immediately start, but they seem to only start after about 90s.
I tried googling but all i see is people who want to delay apps in startup... i was looking ...
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How to navigate gdm3 login manager with keyboard shortcuts
Pretty much I want to know how to access the cog-icon with a keyboard shortcut. Is there a way? (Everything I know about Linux tells me there should be and probably is.)
I know this is a question that ...
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How to create ZFS home dirs using pam_exec
How do I get pam_exec.so to create a new home dir ZFS dataset for each user who logs in via GDM/LDAP? I'm running Ubuntu 20.04, using GDM and nslcd for LDAP auth.
pam's mkhomedir library doesn't have ...
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GDM logout script doesn't write to a file
I'm trying to write a logout script that will be executed when a user graphically logout.
For this purpose I've added the script into the file: /etc/gdm3/PostSession/Default
In the script I'm writing ...
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Ubuntu gets stuck in a login loop unless a different user logs in
I'm trying not to make a duplicate of a previous question, but I do have the same problem. I'm using gdm3 and have purged, and reinstalled multiple times. A different user 'test' and sudo startx work. ...
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Unable to go to bios settings and stuck at gdm.service [duplicate]
Logged off from my Ubuntu 20.04 and restarted the system. When I'm trying to check bios settings, my system is getting stuck at gdm.service Stuck at gdm.service
I tried to plug my usb drive and usb ...
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Upgrade from 18.04 to 20.04 causing many failures
I upgraded Ubuntu 18.04 to 20.04 and now everything is broken. apt doesn't work.keep getting dpkg errors when trying to use it. cant install anything. nautilus and terminal doesn't work. lots of icons ...
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How to disable Username-input field (StEntry) Ubuntu 20.04?
Is it possible to hide or disable the input-field for Username in the logon screen on Ubuntu 20.04 - making it "impossible" to type into the field for a period of time? Reason for this is to ...
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Purple screen after upgrading to Ubuntu 21.10
Couldn't log in because the gdm3 login screen has no password field, see screenshot:
The unability to switch from current session to the TTY3 text console (Ctrl+Alt+F4 or F3 didn't work here) forced ...
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Display manager doesn't load desktop and instead shows a black screen for 5 minutes after entering login info. then loads after the 5 minutes
After I get to the login screen from a reboot, once I enter my password and login, instead of getting the desktop, I get a completely black screen for exactly 5 minutes, once those 5 minutes have ...
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Cannot install A GUI in my computer
I am on Ubuntu 20.04. Whenever I try to boot up my computer I get nothing only black screen. If I press ESC, then I can see only /dev/sda2 clean, etc. Nothing else. It looks like there is no GUI on it....
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GDM3 not starting, where are the log files?
I am trying to build my custom distro based on impish x86_64 using debootstrap. I am not using any display drivers, only the generic ones included in linux-image-generic. I use systemd-boot as a ...
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Why does list of sessions types change when I switch user
When I log in with an user I have the following list
Gnome
Gnome classique
Ubuntu
But if I switch user, I have this list
Gnome
Gnome classique
Gnome on Wayland
Ubuntu
Ubuntu On Wayland
Whereas I ...
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Login Greeter takes 20~30 sec (after bootup apparently finished) to appear
I looked into this question among a few others (on and off SO) for a solution.
The upvoted (but not accepted) answer to that question, suggests entropy might be a problem.
I have infact from the ...
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AD user login error using GDM-password with sssd?
We have a Ubuntu 18.04 machine that had an issue where AD users were unable to log in with their credentials. I found a error that pointed to a GPO that was causing issue. A quick search showed that ...
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How to Change Ubuntu 21.10 GDM background to a Image or to a Color
How to Change Ubuntu 21.10 gdm background to a Image or to a Color.
Below Pic is of Ubuntu 20.04 GDM Login Screen
Is there a way similar to this post which is for Ubuntu 20.04 How do I change login ...
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Remove purple colour from GDM on Ubuntu 21.10
I have removed the Ubuntu purple colour from gdm with some command I don't remember in the past and it returned after upgrading to Ubuntu 21.10.
I tried: sudo update-alternatives --config gdm3.css to ...
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Second user can't log in
This is 21.10 on top of a previous 21.04. When I try to log in with a second user (either an old existing one or a newly created one), the system freezes.
I log in as the primary user. Then, I try to ...
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Ubuntu 21.10 - GDM problem - login screen
I just upgrade my desktop from Ubuntu 21.04 to 21.10. Everything works fine! I was happy.
But after that, I run a wrong program that will change the background of the graphical login screen to ...
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Using multiple desktops at once on Ubuntu
My aim is to separate my working space from any other spaces while using the same computer and the same OS. When I start the operating system (Ubuntu 20.04), my desktop environment (Gnome) starts ...
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Xauthority file inside /run/user/1000/gdm/Xauthority instead of my home directory
I'm currently experiencing the log-in loop bug, and I found out that the .Xauthority file isn't in my home drive at all, but rather inside /run/user/1000/gdm/Xauthority. None of the websites I used to ...
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How to solve this problem and change this lock screen?
Until last night I was using Ubuntu's default Windows environment. I don't know which Ubuntu's desktop was that. Maybe it was GDM.
Last night I installed KDE Plasma Desktop via Terminal. I did not ...
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Ubuntu 20.04 GDM increments pam_tally without password input
I have an Ubuntu 20.04 machine with slightly modified common-auth and common-password files to lock the user out for 10 minutes if an incorrect password is tried 10 times. This works fine in the ...
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How to change lock screen and login screen theme to any other theme
I need help changing the login screen theme as well as the lock screen theme to Orchis.
I tried:
How to customize Lock Screen theme in Ubuntu 20.04
Change Ubuntu 20.04 login theme
How do I change ...
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After suspend, on resume, Ubuntu briefly shows content of session before displaying the lock screen [closed]
This happens to me about 10% of the times when I resume my laptop from suspend mode. I feel that this is problematic for privacy because someone physically near my laptop could briefly see what is in ...
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GDM3 and GDM don't start in Ubuntu 20.04 - Kernel 5.11.0-34-generic - Nvidia Driver 470
I hope you can help me, as the title says and gdm3 starts on a black screen, I restart the PC and both gdm start correctly, I have configured the nomodeset grub and tried everything found on the ...
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Sometimes I get a black screen
On Ubuntu 20.04 sometimes when I get out of sleep I have just a black screen. I might get it also just when I get out of the lockout. The login page does not appear I just have a black screen.
I use 2 ...
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