I know for gnome session the command looks something like this:
What is the equivalent for an Lxqt (Ubuntu with Lxqt and openbox WM) desktop session ?
There are several binaries you can download to control different settings in LXQt:
deals with interrupting or terminating sessions. It comes with several options expressing the action they trigger, e. g.
This binary is launched right at the beginning of LXQt sessions and in turn is responsible for launching and monitoring all other components constituting the sessions.
is another binary which will give you the "Configuration Center" which is a GUI that has several options to choose from that allow you to control the appearance as well as other configurations. One of them being