MKVToolNix is an open-source software to create, alter and inspect Matroska files. MKVToolNix is available to end-users as a graphical and command line.
This tutorial will be helpful for beginners to download and install MKVToolNix 65.0.0 on Ubuntu 20.04 LTS, Ubuntu 21.10, AlmaLinux 8, and Fedora 35.