Ubuntu

Binary package “caffeine” in ubuntu xenial

  1. Xenial (16.04)
  2. caffeine

prevent the desktop becoming idle in full-screen mode

 Caffeine prevents the desktop from becoming idle when an application
 is running full-screen. A desktop indicator ‘caffeine-indicator’
 supplies a manual toggle, and the command ‘caffeinate’ can be used
 to prevent idleness for the duration of any command.

Source package