pixz software package provides parallel, indexing XZ compressor/decompressor, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install pixz
pixz is installed in your system.
Make ensure the pixz package were installed using the commands given below,
$ sudo dpkg-query -l | grep pixz *
You will get with pixz package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | pixz |
| Version | 1.0.2-2 |
| Description | parallel, indexing XZ compressor/decompressor |
| Sub Section | Utils |