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Questions tagged [display-manager]

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SDDM on across one giant screen

I wish to have SDDM stretch all 3 of my monitors. This way, I can have one giant art background across three monitors with the login options in the middle monitor.The code I have in the Xsetup is ...
Jaimie Richards's user avatar
0 votes
0 answers
121 views

Void Linux won't start past command line anymore after editing pam.d files

Asking for help as a last resort before just fully reinstalling. I'm running Void Linux and just installed it yesterday on my new laptop, however I can no longer boot. This is what I did: First i did ...
JJ Joshua's user avatar
0 votes
1 answer
716 views

Change SSH TTY session type to X11 at console?

I have a Debian 12 VM that and when I boot it remotely the user session is a TTY, can I have it launch an X11 session at the console end? Attempt A KDE is installed I have selected plasma-x11 as my ...
Centaro's user avatar
  • 23
0 votes
0 answers
36 views

Does there exist a scriptable Display Manager that allows me to login a user?

I've been looking at Display Managers like SDDM, GDM and LightDM, but it doesn't seem as if they support a non-interactive login. I want to issue a command to have it login to one of the users, ...
Jason Hunter's user avatar
1 vote
1 answer
73 views

border-only ghost window blocking mouse clicks

At some point (I don't remember when it started), some kind of ghost window appeared that only has a border (displays as rounded but behaves as rectangular), blocks mouse clicks, and won't disappear ...
Solomon Ucko's user avatar
1 vote
0 answers
255 views

Display manager that works well with multiple displays and multiple sacling

I am looking for a display manager that works with multiple displays and multiple scaling. I am running Linux Mint on a laptop with a 4k screen. I also have a 1440p portable monitor and a 1440p ultra-...
Pioneer_11's user avatar
0 votes
2 answers
267 views

Disable the 'Other' User Option From LightDM

I am currently running LightDM on my AlmaLinux 8.8 machine and I wanted to know if it's possible to remove the Other user option as shown below. I have already tried to edit the /etc/lightdm/lightdm....
hymcode's user avatar
  • 83
0 votes
1 answer
458 views

No GUI or login shell on boot

When I boot my pc (Debian 12 with Gnome3) I get directly taken to a blinking line instead of a login promt or a GUI. From there I can switch tty (Alt + F2) and then get a login promt and after login I'...
Payerl's user avatar
  • 101
0 votes
1 answer
162 views

Software method to unplug/re-plug a DisplayPort cable to re-initialise the connection?

Is there any software way to have the same effect as unplugging/re-plugging a DisplayPort cable without physically doing so? The reason why I want to know is that my Dell monitor's resolution becomes ...
Damn Vegetables's user avatar
1 vote
0 answers
15k views

How to start KDE from command line interface

I installed Fedora 38 via the Network Installer (also called Everything) and there was no desktop environment preinstalled so I installed plasma-desktop package which is labelled as Plasma Desktop ...
Yiyang Yan's user avatar
0 votes
1 answer
251 views

Does gnome-core includes window manager and display server?

So I've freshly installed Debian without the tasksel option to install a desktop environment. I wonder how it works that if I install the package gnome-core, everything works fine, even without ...
Daani's user avatar
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0 answers
35 views

Are GDMs faster than CDMs in starting Xorg?

I suppose since graphical display managers already launch Xorg, they would just have to re-initiate it rather than launching it from the start like startx does. So in that case does Xorg completely ...
AvidSeeker's user avatar
-1 votes
1 answer
748 views

Components of Linux Desktop Environment

I'm fairly new to Linux and finding the whole concept of desktop environments very distorted and full of noise and confusion with no real clarity... I'm trying to fully understand how every aspect of ...
user avatar
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0 answers
98 views

Logging changes to environment variables

I'm trying to debug some login behaviour where I have both my display manager and systemd (and potentially others) altering some environment variables (the XDG_* variables). Does anyone know any way ...
steeps's user avatar
  • 1
3 votes
1 answer
822 views

can someone explain what is this non-clickable permanent window called @!0,35;BDHF always open on wayland?

Pop!_OS 21.10, amdgpu, ryzen 5 4500u, issue only on Wayland. Linux 5.15.5-76051505-generic snap attached below (i couldn't even screenshot that thing).
karthik nair's user avatar
0 votes
1 answer
124 views

Using a builtin GUI in openSUSE

I want to browse the internet with firefox and found that there was no DISPLAY environment variable and I also had the following message : You did not install any X-Server (e.g. Xorg)! Please install ...
PATRICK CIANCIONI's user avatar
1 vote
0 answers
555 views

Kernel error when external display connected. Needs to be reconnected several times

About 50% of the time when I connect my LG external monitor to my x1c7 laptop, the displays are both on and working, but I can only see my mouse and nothing else. It flashes every few seconds like it'...
Salami's user avatar
  • 173
0 votes
3 answers
3k views

Enable a generic user to start X

I have Debian, Sid if it matters, and I'd like to start X from the console, rather than using a display manager, but when i type startx <RET> I receive the following message xinit: connection to ...
gboffi's user avatar
  • 1,454
0 votes
0 answers
704 views

Using ly as my display manager and disabling gdm3?

I'm currently on Ubuntu, using a virtual machine, and am trying to use ly as my display manager.Whenever I try to run sudo systemctl ly.service inside of the ly directory on my computer, I get an ...
trashCODEer's user avatar
3 votes
1 answer
3k views

How to get BIOS Device Name from Linux, same as Windows Device Manager format

My laptop has a display adapter and from Windows 10 I can see its BIOS Device Name from.. Device Manager > Display Adapters > Properties > Details > "BIOS device name" And from ...
FlexMcMurphy's user avatar
3 votes
2 answers
770 views

Multiseat Setup: Disable display manager and use TTY on one seat

I have the following setup (HP Microserver 8): Integrated Matrox G200eH connected to Integrated Lights Out (the PH Remote Management Console) which also simulates an integrated keyboard to the system ...
chkuendig's user avatar
0 votes
0 answers
1k views

How do I switch between users, without logging out?

I am using Lubuntu, my desktop environment is lxQt and screensaver is xScreensaver. I'm trying to figure out a way to switch between users, (e.g. when pressing meta + L). Even though, it is possible ...
surfboardcompound's user avatar
0 votes
1 answer
862 views

Live USB KDE Manjaro stuck at 'reached target graphical interface' 3060 ti

Then i can alt-f2 and log in without graphical interface and mhwd -l gives bunch of "...MHWDCONFIG is invalid" Is 3060 ti too new right now? What to do? tried nouveau.nomode=0 but same ...
new User's user avatar
1 vote
0 answers
105 views

XFCE Display manager hangs after applying settings

I often have the problem that display-manager appears to hang the UI thread after applaying some settings (like disabling a screen) (see screenshot), and thus i cant click the "Keep settings"...
Daniel Valland's user avatar
1 vote
0 answers
586 views

Run X11 programs and render on cloud machine without a physical screen

I am trying to run a program that uses X11 to display (assume xeyes or something similar) on a machine in the cloud (ec2, Compute Engine, etc). I understand that I can get the windows to show up on my ...
Tyler Tracy's user avatar
4 votes
0 answers
649 views

How to configure environment variables per graphical session

Consider the following setup: I have GDM installed I have multiple graphical sessions configured, both X11 and Wayland: i3, sway, gnome(x11). I want to export different sets of environment variables ...
Danilа Maslennikov's user avatar
0 votes
2 answers
2k views

No GUI error after installing debian buster

I have installed Debian 10 on my laptop Dell Inspiron . But when booting first time into Debian, It directs me into the command-line interface, why? I am sure, I have chosen Graphical Install during ...
Pravesh Kumar Sharma's user avatar
3 votes
0 answers
916 views

Set certain desktop environment as default, and revert back to it after reboot

first of all, let me put a few things out of the way: I'm about to manage a few (semi-)public workstations with Linux Mint 20 that a lot of different people have access to. And you know people; they ...
user430056's user avatar
1 vote
2 answers
787 views

Is Wayland display server a userspace process?

For X11, I can see the display manager gdm3 (indirectly) launches a process named Xorg, which is the display server. However when using gnome on wayland, I do not see any children (or grandchildren) ...
QnA's user avatar
  • 575
0 votes
0 answers
783 views

QtCritical: Could not connect to any X display

Installed copyq on Debian 10. When root@engelsmann-vaio:/usr/lib# copyq I get the error message: QtCritical: Could not connect to any X display. (:0, ) root@engelsmann-vaio:/usr/lib# env gives me ...
Morten Engelsmann's user avatar
1 vote
0 answers
437 views

Ubuntu using LXDE taking too long to shutdown

I have Ubuntu 20.04 and my desktop environment is LXDE. When I try to shutdown my computer the system keeps waiting and there is a message: A stop job is running for Session c2 of user ... (1min 30s) ...
user2288551's user avatar
0 votes
2 answers
4k views

How do I find out the display manager info on Fedora 32 Mate?

It's my first time to use Linux, Fedora and Mate environment. I want to change the default login screen (mainly the background), but I couldn't find the way to do it. I have done some research, and ...
sheldonfish's user avatar
1 vote
2 answers
20k views

Sddm is not starting but in theory everything is working!

It wasn't a long time ago when I decided to start an adventure with Linux. I started with a virtual machine (VMware workstation Pro) and everything worked fine. I've picked Debian 10.4.0 distro with ...
MyDefaultNickname's user avatar
0 votes
1 answer
347 views

XDM loops while given correct username and password

I just installed XDM to set up a proper login screen on Archlinux, but it seems I did it wrong. Indeed, XDM starts and prompt a thing I guess is the default login screen, but when I enter my password/...
Grizzlyman's user avatar
0 votes
0 answers
43 views

How to know if my computer supports a triple monitor configuration?

I'm currently ruining manjaro KDE and trying to setup three monitors. my laptop has an HDMI output and a VGA one and I would like to use both to setup two additional screens but I seem to be able to ...
Arthur Caccavo's user avatar
0 votes
1 answer
870 views

Controlling the X display manager service - on SLES 15

I'm not a fan of systemd, and have so far worked with systems which used SysVInit scripts (like Devuan); and upstart on older Ubuntu versions. Now I'm "stuck" with a SLES 15 machine. I'm trying to ...
einpoklum's user avatar
  • 9,643
2 votes
0 answers
164 views

panel is covering windows

I'm currently running Ubuntu 18.04.3 LTS and sometimes the panel covers the bottom of windows where I need to access the buttons on the bottom. I'm trying to do a restore using timeshift because of ...
Stephan Landry's user avatar
0 votes
2 answers
143 views

During boot my ubuntu box switches into graphic mode, but there is no window manager installed. How can I disable this?

Grub gives me two options, boot Ubuntu and boot Ubuntu Rescue Mode (or something alike). When I boot Ubuntu, I get to the point where dmesg gives green timestamps, but just before a login prompt would ...
Jan's user avatar
  • 153
2 votes
1 answer
702 views

How to get rid of nag screen "Authentication is required to set one's own greeter properties"?

After a recent update on my Linux system I get a dialogue window every few (5?) minutes with the same message: Authentication is required to set one's own greeter properties. It has a password ...
Ned64's user avatar
  • 8,924
1 vote
1 answer
231 views

Two WMs simultaneously

I want to use two Windows Managers simultaneously. As I know that using two ttys for this isn't going to work (I'm on Arch and systemd-logind revokes access to hardware when switching), I am searching ...
Werdck's user avatar
  • 55
4 votes
2 answers
2k views

How can the shadows around windows be removed from Mate with Lightdm?

There is a shadow around each window in Mate. If it matters I run Lightdm. How can the shadows be completely disabled for all windows regardless of the application?
user364407's user avatar
8 votes
2 answers
12k views

Prevent lightdm from turning off screen when locking session

I am running Xubuntu 18.04. When I lock the session, the screen gets turned off instantly. I am using stock lightdm as display manager and lightlocker for locking the session. From my viewpoint the ...
Denis Nikolaenko's user avatar
3 votes
0 answers
1k views

Display managers don't log me into my user account

I have been using Arch Linux for more than 5 years now (and linux for about 10 years). Never had such a problem. Searching the internet also did not reveal any answers to this ---- Here are the ...
explorest's user avatar
  • 552
3 votes
1 answer
3k views

Disable all display managers in (systemd based) ubuntu

How can I disable all installed display managers in ubuntu (18.10 or later) without removing them? In my case gdm3 and sddm are installed and I tried: sudo systemctl disable sddm -f sudo systemctl ...
student's user avatar
  • 18.5k
2 votes
2 answers
2k views

What order does window manager, display manager, login manager execute

I am trying to understand what is the use of Xorg. I got confused with lots of words like window manager display manager login manager etc. After that i got some links in stackexchange Terminology ...
Vipin's user avatar
  • 175
1 vote
1 answer
1k views

Set DM on OpenRC

How do I set a display manager on an OpenRC system? I'm trying to use the Ly display manager. E.g. on a systemd distro I'd do $ sudo systemctl enable ly.service but how do I do it here?
Kied Llaentenn's user avatar
0 votes
1 answer
2k views

Is there any terminal tool where you can zoom in and out the screen?

So I know there's zooming tool in universal access menu in Ubuntu, but currently I can't find how to operate it through command line, plus it can't zoom out. My second attempt is use xrandr --output ...
Andrew.Wolphoe's user avatar
0 votes
1 answer
521 views

Is there a login / display manager in Linux with a config GUI for setting wallpaper (NOT editing config files by CLI)?

I have looked and not found one. I'm surprised, as something as trivial as this should be configurable via a GUI. Even SDDM for KDE doesn't offer this and KDE is normally super configurable via GUI. ...
Markus Bawidamann's user avatar
0 votes
1 answer
2k views

CentOS 7 SDDM can't click GUI with mouse

I ran a fresh Minimal install of Cent OS 7. When finished, I run this command to get the GUI setup: yum -y install epel-release;yum update -y;yum groupinstall "Xfce" -y;yum -y groupinstall X11;echo "...
Jeff Luyet's user avatar
-2 votes
1 answer
1k views

What does `lightdm --session-child 12 19` mean?

What does lightdm --session-child 12 19 mean in the following output? Why does lightdm fork a process to execute the above command? I don't find --session-child in lightdm manpage. Thanks. $ pstree ...
Tim's user avatar
  • 103k