gdm Init

2014-05-25 at 19:14 | Posted in desktop, system | 2 Comments
Tags: , , ,

I am using XFCE and decided to make my laptop boot directly to X. So, I installed gdm from SBo and changed the runlevel in /etc/inittab:

# These are the default runlevels in Slackware:
#   0 = halt
#   1 = single user mode
#   2 = unused (but configured the same as runlevel 3)
#   3 = multiuser mode (default Slackware runlevel)
#   4 = X11 with KDM/GDM/XDM (session managers)
#   5 = unused (but configured the same as runlevel 3)
#   6 = reboot

# Default runlevel. (Do not set to 0 or 6)

After a restart, the machine boots up directly to a graphic log in screen.

I like setting the brightness of my screen to a lower value, which I usually do by adding these two lines to ~/.xinitrc:

#  xinitrc.xfce - modified to work around xfce4session bug

xgamma -gamma 0.4
xbacklight -set 70

Similarly to the case of KDM, this approach does not work when using GDM either. So, after some searching, the solution I found is adding the above lines to /etc/gdm/Init/Default. I place them below the first two lines of the file, like this:

# Stolen from the debian kdm setup, aren't I sneaky
# Plus a lot of fun stuff added
#  -George


xgamma -gamma 0.4
xbacklight -set 70

Log off and the new brightness values are already set at the log in.


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  1. It is nice to see someone who is not afraid of inittab. The though of editing inittab gives me serious concern.

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