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Launching LXQt sessions
Launching from virtual terminals
In order to launch LXQt sessions from virtual terminals you have to write a line
~/.xinitrc (and make sure no other "exec" entry like this exists). The session can be launched by simply running
startx in a virtual terminal's shell that way.
Launching by display managers
Display managers like SDDM, the one recommended for LXQt, or LightDM are looking for available sessions in files
$XDG_DATA_DIRS is set to
/usr/share/ most of the times.
LXQt is providing a file
lxqt.desktop so its session should normally be detected and made available by display managers automatically, restarting the latter may be needed upon installing LXQt.
Note if LXQt was installed in
lxqt.desktop is stored in
/usr/local/share/xsessions which is not considered by most display managers. So you'll either have to copy the file to
/usr/share/xsessions/ or create a symbolic link.
Fixing crashes for apps using dbus-daemon (common when using lxqt-config-monitor)
Important: This applies only to systems running systemd which have this problem.
On some systems (like the default ArchLinux install), dbus-daemon is started as a systemd service before the xserver thus it has no $DISPLAY variable set in it's environment, leding to crashes. Systemd by default includes a script to fix this by fetching the variables in /etc/X11/xinit/xinitrc.d/50-systemd-user.sh. If you encounter this kind of crash add the following lines to your .xinitrc before
if [ -d /etc/X11/xinit/xinitrc.d ] ; then for f in /etc/X11/xinit/xinitrc.d/?*.sh ; do [ -x "$f" ] && . "$f" done unset f fi