Debian Etch is soon to be unsupported by the Debian team, therefore all Debian Linux Servers need to be upgraded to Debian Lenny. I have upgraded many Linux servers to Debian Lenny over the past months, so I am providing this guide on how to upgrade Debian Etch to Debian Lenny.
http://www.howtoforge.com/how-to-upgrade-debian-etch-to-lenny