How to change mouse cursor and theme

In order to get your custom cursor to work with all applications do:

  • Download a cursor theme.
  • Extract it to /usr/share/icons or ~/.local/share/icons
  • Open Gnome Tweak Tool and change the cursor theme.
  • Open a Terminal.
  • Run this command:
    sudo update-alternatives --config x-cursor-theme
  • Select the number corresponding to your choice
  • Log out.
  • Log back in.