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#+date: [2022-10-30 Sun 00:00:00]
#+title: Void Linux: Remove the Display Manager
#+description: Disabling the display manager on Void Linux and starting i3 manually.
#+slug: linux-display-manager
#+filetags: :linux:
* Display Manager Services
In order to change the [[https://en.wikipedia.org/wiki/Display_manager][display manager]] on Void Linux - or any other Linux
distribution - you need to identify the currently enabled display manager.
** Disabling the Current Display Manager
Void Linux only has one optical disc image (ISO) available for download with a
pre-built display manager at the time of this post: the XFCE ISO. If you've
installed this version, the pre-assigned display manager is =lxdm=. If you
installed another display manager, replace =lxdm= in the following command with
the display manager you have installed.
To disable =lxdm=, simply remove the service symlink:
#+begin_src sh
sudo rm /var/service/lxdm
#+end_src
** Enabling a New Display Manager
If you want to enable a new display manager, you can do so after =lxdm= is
disabled. Make sure to replace =<new_display_manager>= with your new DM, such as
=gdm=, =xdm=, etc.
#+begin_src sh
sudo ln -s /etc/sv/<new_display_manager> /var/service
#+end_src
* Set Up =.xinitrc=
Depending on your setup, you may need to create a few X files, such as
=~/.xinitrc=. For my personal set-up, I created this file to launch the i3wm as
my desktop.
#+begin_src sh
nano ~/.xinitrc
#+end_src
#+begin_src sh
#!/bin/sh
exec i3
#+end_src
If you run a desktop other than i3, simply replace =i3= with the shell command
that launches that desktop.
* Set Up Your Shell Profile
Finally, in order to automatically launch an X session upon login, you will need
to edit the =.bash_profile= (bash) or =.zprofile= (zsh) files for your shell:
#+begin_src sh
nano ~/.zprofile
#+end_src
Add the following snippet to the end of the shell profile file. This will
execute the =startx= command upon login.
#+begin_src sh
if [ -z "${DISPLAY}" ] && [ "${XDG_VTNR}" -eq 1 ]; then
exec startx
fi
#+end_src
Alternatively, you can ignore this step and simply choose to manually execute
=startx= upon login. This can be useful if you have issues with your desktop or
like to manually launch different desktops by choice.
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