To reduce the number of keyboards and mice you can get a physical KVM switch but the down side to the physical KVM switch is it requires you to select a device each time you want to swap. barrier is a virtual KVM switch that allows one keyboard and mouse to control anything from 2-15 computers and you can even have a mix of linux Windows or Mac.
Don8217t confuse Keyboard Video and Mouse KVM with Kernel Virtual Machine KVM they are very different and this article will be covering the former. If the Kernel Virtual Machine topic is of interest to you read through this Red Hat article httpswww.redhat.comentopicsvirtualizationwhat-is-KVM that provides an overview of the latter type of KVM.
Enter AltCtrlT to display the terminal screen and you will enter the following to download barrier from the Fedora system repository.
If you are looking to install on alternate operating systems you can find the Windows and Mac downloads here httpsgithub.comdebaucheebarrierreleases.
News Link: https://fedoramagazine.org/barrier-an-introduction/.
RSS Link: https://fedoramagazine.org/feed/.