Nightly Reboot of GL-AR750?

You can schedule tasks with cron:

Specifically:

Reboot at 4:30am every day
Note: To avoid infinite reboot loop, wait 70 seconds
and touch a file in /etc so clock will be set
properly to 4:31 on reboot before cron starts.

30 4 * * * sleep 70 && touch /etc/banner && reboot

So from gl-inet web interface go:

More settings > advanced > system > scheduled tasks

Howevre, you have to first ‘restart’ the Cron service to make your edits stick by visiting:

More settings > advanced > system > startup