kdesudo software package provides sudo frontend for KDE, 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 kdesudo
kdesudo is installed in your system.
Make ensure the kdesudo package were installed using the commands given below,
$ sudo dpkg-query -l | grep kdesudo *
You will get with kdesudo package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | KDE |
| Package | kdesudo |
| Version | 3.4.2.4-1ubuntu1 |
| Description | sudo frontend for KDE |
| Sub Section | KDE |