Linuxgurru.com is very informative website for all Linux lovers. It provides the best solutions of your problems regarding Linux.
This website contain different configuration problems abount Linux/Ubuntu. These Configuration contains DNS-BIND on Ubuntu, Install and Configure AWStats on Centos from Source, Install PHP from Source with MySQL, Apache, My Crypt, Curl, Install uberSVN on Linux, Install USVN on Ubuntu, LAMP installation on Ubuntu, VOIP configuration on Ubuntu and many more advance level Linux installation and configuration issues.
This website also contain basics of Linux by which a Windows user can start and learn Linux by easy steps and basic commands.
If you want to configure NAGIOS Monitoring Server on Ubuntu then this website can provide you best solution of this. Here below is the address of this website, visit it today and enter into the world of Linux.