docbook2x software package provides Converts DocBook/XML documents into man pages and TeXinfo, 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 docbook2x
docbook2x is installed in your system.
Make ensure the docbook2x package were installed using the commands given below,
$ sudo dpkg-query -l | grep docbook2x *
You will get with docbook2x package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Text Processing |
| Package | docbook2x |
| Version | 0.8.8-9 |
| Description | Converts DocBook/XML documents into man pages and TeXinfo |
| Sub Section | Text |