Hello Linux Geeksters. As you may know, Kadu is an open-source instant messenger client written in Qt, having support for popular messaging protocols, like: GaduGadu, XMPP, GTalk, Facebook Messenger.

The latest version available is Kadu 1.0, which has been released a while ago, coming with the below changes:
- New upstream release.
- Completely rewrite debian/rules — fix FTBFS.
- Update debian/watch.
- debian/control: Bump Standards-Version to 3.9.6. Add libgnutls28-dev to build depends.
In this article I will show you how to install Kadu 1.0 on Ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr, Linux Mint 17 Qiana, Pinguy OS 14.04, Peppermint Five, LXLE 14.04, Elementary OS 0.3 Freya, Linux Lite 2.0, Deepin 2014 and other Ubuntu 14.04 derivative systems.
Because it is available via PPA, installing Kadu 1.0 on Ubuntu 14.10, Ubuntu 14.04 and derivative systems is easy. Just add the ppa to your system, update the local repository index and install the kadu package. Like this:
$ sudo add-apt-repository ppa:mati75/kadu
$ sudo apt-get update
$ sudo apt-get install kadu
Optional, to remove kadu, do:
$ sudo apt-get remove kadu