Author Topic: Switch between Display Managers  (Read 844 times)

0 Members and 1 Guest are viewing this topic.

Offline gigi88

  • Jr. Mitglied
  • **
  • Posts: 75
  • Desktop: XFCE
  • GPU Card: Nvidia GT 750m
  • GPU driver: non-free
  • Kernel: 3.12 and 3.16
  • Skill: Novice
Switch between Display Managers
« on: 07. May 2016, 12:06:45 »
Hi everyone

I am running and I tried yesterday to install another display manager (MDM or SDDM) using Originally I had the LightDM on my system.
After reboot I had no display manager, because for some reason there where two active on the system....and after reboot I got a black login promt screen. I fixed the problem by removing the SDDM or MDM and following the post of FadeMind from here and I successfully returned to my original LighDM.
So here is my question. In case I install another Display Manager to my system what is the proper way to switch between them and not to have a conflict at the next reboot?

This is what I have now:

Code: [Select]
● lightdm.service - Light Display Manager
   Loaded: loaded (/usr/lib/systemd/system/lightdm.service; enabled; vendor pres
   Active: active (running) since Sat 2016-05-07 11:36:47 CEST; 24min ago
     Docs: man:lightdm(1)
 Main PID: 598 (lightdm)
   CGroup: /system.slice/lightdm.service
           ├─598 /usr/bin/lightdm
           └─610 /usr/lib/xorg-server/Xorg :0 -seat seat0 -auth /run/lightdm/roo

May 07 11:36:47 StefanPC systemd[1]: Starting Light Display Manager...
May 07 11:36:47 StefanPC systemd[1]: Started Light Display Manager.
May 07 11:36:52 StefanPC lightdm[710]: pam_unix(lightdm-greeter:session): sessio
May 07 11:37:01 StefanPC lightdm[789]: pam_unix(lightdm:auth): authentication fa
May 07 11:37:09 StefanPC lightdm[861]: pam_unix(lightdm:auth): authentication fa
May 07 11:37:15 StefanPC lightdm[863]: pam_unix(lightdm:session): session opened

Offline eugen-b

  • Support Team
  • ****
  • Posts: 3191
  • Branch: testing
  • Desktop: LXDE, Fluxbox, JWM, LXQt, bspwm
  • GPU Card: Intel 82945G/GZ
  • GPU driver: free
  • Kernel: 4.5, 4.6
  • Skill: Intermediate
Re: Switch between Display Managers
« Reply #1 on: 07. May 2016, 16:17:17 »
You need to disable the old one and then to enable the new one, systemd or openrc way.
MSI Wind Nettop, Intel Atom 230 1.6GHz (64bit), 2GB RAM
DEs: NET-minimal + (LXDE / Fluxbox / JWM); LXQt OpenRC
how to install on btrfs subvolumes

Offline c00ter

  • Held Mitglied
  • *****
  • Posts: 1534
  • Towelie's cupcake
  • Branch: ☮Olive☮
  • Desktop: Depends©
  • GPU Card: Intel HD4400M CPU: Core i7-4510U
  • GPU driver: Intel/Free
  • Kernel: 4.4-lts & 4.5
  • Skill: Novice
Re: Switch between Display Managers
« Reply #2 on: 08. May 2016, 03:15:55 »
One example:

Code: [Select]
sudo systemctl disable gdm.service
sudo systemctl enable lightdm.service

“What, me worry?” ― Alfred E. Newman

Manjaro Wiki:
Arch Wiki:
Pacman Rosetta: