Network Administration : Installation of Tacacs+, Rancid, Cvsweb
This article will describe you how to install a complete solution to manage users that have access to your network devices and also how to backup your network devices configurations with a cvs based storage in order to have diffs on it. You'll also be able to script commands you want to run on your routers/switches to have easier administration.
This document is in constant evolution, do not hesitate to check it sometimes. If you see something that have to be added/corrected, feel free to contact me.
Follow this document step by step and it will work without problems, do not jump a section, read it carrefully.