Unixcop published a tutorial about installing Barrier on Ubuntu 20.04 or 22.04 LTS.

How to Install Barrier on Ubuntu 20.04 | 22.04 LTS

In this guide, we will illustrate how to install Barrier on Ubuntu systems. Barrier is software that mimics the functionality of a KVM switch, which historically would allow you to use a single keyboard and mouse to control multiple computers by physically turning a dial on the box to switch the machine you’re controlling.

How to Install Barrier on Ubuntu 20.04 | 22.04 LTS - Unix / Linux the admins Tutorials