kgraphviewer software package provides a GraphViz dot graph viewer for KDE 4, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kgraphviewer
kgraphviewer is installed in your system.
Make ensure the kgraphviewer package were installed using the commands given below,
$ sudo dpkg-query -l | grep kgraphviewer *
You will get with kgraphviewer package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Utilities |
| Package | kgraphviewer |
| Version | 4:2.1.1-0ubuntu1 |
| Description | a GraphViz dot graph viewer for KDE 4 |
| Sub Section | Utils |