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Questions tagged [display-manager]

20 questions
6
votes
1 answer

Lightdm not starting at boot in Ubuntu 14.04

I've been reading lots of posts about this problem regarding previous versions of Ubuntu, but they don't seem to work in my case. At boot and shown in /var/log/boot.log the daemon /usr/sbin/lightdm, simply shuts down - seemingly without any obvious…
Paul Bergström
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5
votes
1 answer

What is the difference between a Display Manager and Desktop Environment?

I know that a Window Manager just manages windows, and can basically be used with any DE. My question is what is the difference between a display manager and a desktop environment? I ask this because I run i3-gaps on Arch Linux, and I want to be…
Charles Staal
  • 189
3
votes
1 answer

How can I use autologin without a display manager for NixOS, Wayland, and Niri?

I'm running NixOS with systemd and Niri (a Wayland compositor). Right now, I have to log in on the text console and run niri-session (source) to get a graphical session. Of course, I could install LightDM and configure autologin. But what is the…
Thomas Koch
  • 263
3
votes
0 answers

Sytemd graphical multi-session

On Linux with systemd it is possible to have multi-sessions on one seat, eg. I have reached the graphical target starting my display manager, login, and then my graphical user session is in place. I can additionally login via ssh or similar – as far…
ElleJay
  • 2,119
2
votes
1 answer

Don't start display manager when booting

I need to somehow boot from Grub w/o even starting or trying to start X and display manager. I tried linux (hd1,msdos3)/boot/vmlinuz-*** root=/dev/sdb3 ro text but this started kdm regardless. I can't boot into graphic shell because the last…
wvxvw
  • 883
2
votes
1 answer

Are there any benefits to starting kdm as daemon?

I've configured my kdm to start via inittab method. I've done it following the steps at Display Manager - ArchWiki. There is also a described method on how to start kdm as daemon. But i can't find any reason for starting kdm via inittab or as a…
kravemir
  • 2,704
2
votes
2 answers

Unbind AMD GPU without restarting the display manager

Background: I have bought myself a thunderbolt eGPU case (Razer Core) and I want to use it with my AMD GPU (Rx480) on Linux. I use Kernel 5.0. Plugging in the eGPU while the PC is running seems to work. > DRI_PRIME=1 glxinfo | grep "OpenGL…
Jounathaen
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2
votes
1 answer

Unable to switch to greeter

I'm using LightDM 1.16.5 along with the Awesome window manager on NixOS. After logging in, I am unable to switch users without first logging out of my current session. The command dm-tool switch-to-greeter has absolutely no effect and gives no…
arussell84
  • 153
1
vote
1 answer

Trying to install new wm broke lightdm

I am trying to install bspwm for my debian machine, and I've been following this guide for dummies. So far, all the desktop environments and window managers that I've added on were all done through apt-get install somewindowmanager and their install…
nullUser
  • 763
1
vote
1 answer

CDM display not working for users, but works as root

If I run CDM (Console Display Manager) as root, it works fine. If I run it as any other user, CDM loads, requests a choice for WM, and then exits. There is no readable output to stdout or stderr. How can I debug this? I turned on logging of startx…
charmoniumQ
  • 215
1
vote
3 answers

Uninstall breaks unprivileged boot-up services (MDM and audio) - Linux Mint 16rc KDE

After a wine install/uninstall audio is broken and MDM fails as a boot up service, but still works via sudo. How should I trouble shoot? Last night I installed Wine, installed then removed mono-complete (and it's dependencies) and then ran…
virtualxtc
  • 123
1
vote
0 answers

4 display modes across 3 displays and 2 computers

I have a laptop and a PC and three displays. I need to switch between the computers and the displays and sometimes be working in each computer simultaneously. I have already tried a 4 by 4 by 4 KVM TESmart switch but it only had two display modes.…
DoubleB
  • 11
1
vote
0 answers

How to NOT suspend when using light-locker

I have light-locker installed. Running light-locker& creates a screensaver. Then I can run light-locker-command -l to lock the screen. The problem is that when I lock screen with that command, screen goes blank and PC suspends. How to only lock…
Hanlon
  • 579
0
votes
2 answers

Display manager does not start at startup

Running sudo start lightdm from the command line seems to work fine though. Neither exec xdm or xdm or sudo xdm or sudo exec xdm do though. Things I have already tried - selecting various options from sudo dpkg-reconfigure xdm - whatever option I…
user286997
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0
votes
2 answers

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 lot: it is super slow and slows down my boot time…
ranieri
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1
2