My laptop has a button to toggle the touchpad on and off. It's an XF86TouchpadToggle button and on its own it's useless. You need something which binds to it and makes it do things. Most desktop environments have an utility which listens to keyboard presses and then toggles the touchpad …
read morePrevent screen blanking when watching videos in Firefox
NOTE: as of Firefox 71 (perhaps even earlier), the screensaver/DPMS are automatically suspended when watching videos. This tool is therefore deprecated.
Watching videos on YouTube always proved to be problematic because my DPMS settings would kick in and the screen would turn off. Firefox didn't suspend them automatically when …
read moreSingle instance of mpv