muon-updater software package provides update manager for KDE, 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 muon-updater
muon-updater is installed in your system.
Make ensure the muon-updater package were installed using the commands given below,
$ sudo dpkg-query -l | grep muon-updater *
You will get with muon-updater package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | KDE |
| Package | muon-updater |
| Version | 2.2.0-0ubuntu3 |
| Description | update manager for KDE |
| Sub Section | KDE |