Hello Linux Geeksters. As you may know, MKVToolNix is a Matroska (mkv) multimedia manipulation tool pack. You can edit mkv video files, split files, sync audio with video.

It contains the following command-line tools:
- mkvmerge – a tool for creating Matroska files from other formats
- mkvinfo – a tool that the users to get information about the tracks in a Matroska file
- mkvextract – a tool that extracts tracks from Matroska files to other formats
The latest version available is MKVToolNix 7.8.0, which has been recently released, coming with the below fixes:
- implemented support for DTS Express
- added a more detailed description for DTS audio tracks
- added a Swedish translation
In this article I will show you how to install MKVToolNix 7.8.0 on Ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr, Linux Mint 17.1 Rebecca, Linux Mint 17 Qiana, Pinguy OS 14.04, Elementary OS 0.3 Freya, Peppermint Five, Deepin 2014, LXLE 14.04, Linux Lite 2, Debian Jessie, Debian Wheezy and other Ubuntu 14.04 derivative systems.
Because it is available via repository, installing MKVToolNix 7.8.0 on Ubuntu, Debian and derivative systems is easy. All you have to do is add the repository to your system, download and import the key, update the local repository index and install the mkvtoolnix and mkvtoolnix-gui.
Follow the instructions for your system exactly, in order to get a successful installation.
How to install MKVToolNix 7.8.0 on Ubuntu 14.10 and derivative systems:
$ wget -q -O - https://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo sh -c 'echo "deb http://www.bunkus.org/ubuntu/utopic/ ./" >> /etc/apt/sources.list'
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
Optional, to remove mkvtoolnix and mkvtoolnix-gui, do:
$ sudo apt-get remove mkvtoolnix mkvtoolnix-gui
How to install MKVToolNix 7.8.0 on Ubuntu 14.04 and derivative systems:
$ wget -q -O - https://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo sh -c 'echo "deb http://www.bunkus.org/ubuntu/trusty/ ./" >> /etc/apt/sources.list'
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
Optional, to remove mkvtoolnix and mkvtoolnix-gui, do:
$ sudo apt-get remove mkvtoolnix mkvtoolnix-gui
How to install MKVToolNix 7.8.0 on Debian 8 Jessie and derivative systems:
$ wget -q -O - https://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo sh -c 'echo " deb http://www.bunkus.org/debian/jessie/ ./" >> /etc/apt/sources.list'
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
Optional, to remove mkvtoolnix and mkvtoolnix-gui, do:
$ sudo apt-get remove mkvtoolnix mkvtoolnix-gui
How to install MKVToolNix 7.8.0 on Debian 7 Wheezy and derivative systems:
$ wget -q -O - https://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo sh -c 'echo " deb http://www.bunkus.org/debian/wheezy/ ./" >> /etc/apt/sources.list'
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
Optional, to remove mkvtoolnix and mkvtoolnix-gui, do:
$ sudo apt-get remove mkvtoolnix mkvtoolnix-gui