Caffeine - disabling the screensaver

Caffeine – free and open source utility for disabling the screensaver in Linux

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A status bar application able to temporarily prevent the activation of both the screensaver and the “sleep” powersaving mode.

The software Caffeine is available for installation on Linux.

Installation method	OS
PPA	Ubuntu* 16.04/18.04/19.04/20.04, Linux Mint 18/19, Debian
Deb	Ubuntu* 16.04/18.04/19.04/20.04, Linux Mint 18/19, Debian
RPM	openSUSE, Rosa Linux, Mageia, ALT Linux, Fedora, CentOS, Red Hat Enterprise Linux and others

*Ubuntu (GNOME), Kubuntu (KDE), Xubuntu (XFCE), Lubuntu (LXDE)

Install Software via PPA repository

sudo add-apt-repository ppa:caffeine-developers/ppa
sudo apt-get update
sudo apt-get install caffeine

Install Software via Deb package

Install Software via RPM package