astrometry.net software package provides Astrometry plate solver, 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 astrometry.net
astrometry.net is installed in your system.
Make ensure the astrometry.net package were installed using the commands given below,
$ sudo dpkg-query -l | grep astrometry.net *
You will get with astrometry.net package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Science |
| Package | astrometry.net |
| Version | 0.46-0ubuntu2 |
| Description | Astrometry plate solver |
| Sub Section | Science |