python-sphinxcontrib.seqdiag software package provides Sphinx seqdiag extention, 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 python-sphinxcontrib.seqdiag
python-sphinxcontrib.seqdiag is installed in your system.
Make ensure the python-sphinxcontrib.seqdiag package were installed using the commands given below,
$ sudo dpkg-query -l | grep python-sphinxcontrib.seqdiag *
You will get with python-sphinxcontrib.seqdiag package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Python |
| Package | python-sphinxcontrib.seqdiag |
| Version | 0.6.0-1 |
| Description | Sphinx seqdiag extention |
| Sub Section | Python |