Hello Linux Geeksters. As you may know, MKVToolNix is a Matroska (mkv) multimedia manipulation utility. You can edit mkv video files, split files, sync audio with video. The latest version available is MKVToolNix 6.6.0, which has been recently released. For a list of changes and enhancements brought by the latest version, see the official changelog.

In this article I will show you how to install MKVToolNix 6.6.0 on Ubuntu 14.04 Trusty Tahr, Ubuntu 13.10 Saucy Salamander, Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 16 Petra, Linux Mint 15 Olivia, Linux Mint 14 Nadia, Linux Mint 13 Maya, Pear OS 8, Pear OS 7 and Elementary OS 0.2 Luna.
For Ubuntu 14.04 Trusty Tahr, MKVToolNix 6.6.0 is available via the default repositories, so all you have to do is update the local repository index and install the mkvtoolnix package:
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
Because it is available via the official repository, installing MKVToolNix 6.6.0 on Ubuntu 13.10, Ubuntu 13.04, Ubuntu 12.10, Ubuntu 12.04, Linux Mint 16, Linux Mint 15, Linux Mint 14, Linux Mint 13, Pear OS 8, Pear OS 7 and Elementary OS 0.2 systems is easy. Follow the instructions for your system exactly, in order to get a successful installation.
How to install MKVToolNix 6.6.0 on Ubuntu 13.10 and Linux Mint 16:
$ sudo sh -c 'echo "deb http://www.bunkus.org/ubuntu/saucy/ ./" >> /etc/apt.sources.list'
$ sudo sh -c 'echo "deb-src http://www.bunkus.org/ubuntu/saucy/ ./" >> /etc/apt.sources.list'
$ wget -O - http://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
How to install MKVToolNix 6.6.0 on Ubuntu 13.04, Linux Mint 15 and Pear OS 8:
$ sudo sh -c 'echo "deb http://www.bunkus.org/ubuntu/raring/ ./" >> /etc/apt.sources.list'
$ sudo sh -c 'echo "deb-src http://www.bunkus.org/ubuntu/raring/ ./" >> /etc/apt.sources.list'
$ wget -O - http://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
How to install MKVToolNix 6.6.0 on Ubuntu 12.10, Linux Mint 14 and Pear OS 7:
$ sudo sh -c 'echo "deb http://www.bunkus.org/ubuntu/quantal/ ./" >> /etc/apt.sources.list'
$ sudo sh -c 'echo "deb-src http://www.bunkus.org/ubuntu/quantal/ ./" >> /etc/apt.sources.list'
$ wget -O - http://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui
How to install MKVToolNix 6.6.0 on Ubuntu 12.04, Linux Mint 13 and Elementary OS 0.2:
$ sudo sh -c 'echo "deb http://www.bunkus.org/ubuntu/precise/ ./" >> /etc/apt.sources.list'
$ sudo sh -c 'echo "deb-src http://www.bunkus.org/ubuntu/precise/ ./" >> /etc/apt.sources.list'
$ wget -O - http://www.bunkus.org/gpg-pub-moritzbunkus.txt | sudo apt-key add -
$ sudo apt-get update
$ sudo apt-get install mkvtoolnix mkvtoolnix-gui