How To Upgrade Debian Etch To Lenny

Debian Etch is soon
to be unsupported by the Debian team, there for all Debian Linux
Servers need to be upgraded to Debian Lenny, I work for Netzen (an IT Support
company) and have upgraded many Linux servers to Debian Lenny over the
past month, So I am providing this guide on how to upgrade Debian Etch
to Debian Lenny to the HowtoForge community.