mscgen software package provides Message Sequence Chart (MSC) generator, 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 mscgen
mscgen is installed in your system.
Make ensure the mscgen package were installed using the commands given below,
$ sudo dpkg-query -l | grep mscgen *
You will get with mscgen package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | mscgen |
| Version | 0.20-4 |
| Description | Message Sequence Chart (MSC) generator |
| Sub Section | devel |