I used to use the Ctrl + Super + Left / Right before to split my screen space in two windows. It suddenly stopped working. In System Settings -> Keyboard -> Shortcuts, I do see an option to add a key binding along with a command, but what would that command be?
Ubuntu – Ctrl + Super + Left/Right not working in Ubuntu 16.04
16.04unity
Related Solutions
Compiz setting manager was the right track. Look into the "grid" plugin, though; the commands put left and put right are what you are looking for.
The System Settings menu has a Keyboards item that you can use to re-bind the shortcut:
Best Answer
The grid plugin of compiz is responsible for window placement via Ctrl+Super+Arrow Right/Left. For whatever reason, you may not have it enabled.
Install Compiz Config Settings Manager with
sudo apt-get install compizconfig-settings-managerand ensure thatGridis checked just like in the screenshot below