GNU/Linux Ubuntu Installing Firejail Guide
You Are Welcome! The Tutorial Shows You Step-by-Step How-to Install Firejail in Ubuntu GNU/Linux Desktop.
Firejail can Sandbox any type of processes: Servers, GUI Apps, and even user Login Sessions.
Again the software includes Security Profiles for a large number of Linux Programs: Mozilla Firefox, Chromium, VLC, Transmission etc.
Moreover, Firejail dispose of an easy Desktop Integration Setup working on all the following GNU/Linux Desktops:
Gnome 3 (partially)