Set up screensaver on Elementary OS

 Elementary OS is awesome but for some reason it doesn't come with a screensaver. Here's how to add one:

sudo apt remove gnome-screensaver

sudo apt install xscreensaver xscreensaver-data-extra xscreensaver-gl-extra

Then run xscreensaver and click on Settings to configure your desired screensaver options:

Next, you'll need to disable power settings:

Lastly, you'll need to set it to auto-run at startup: