I've tested this Debian etch to lenny upgrade process a few times so far, and it seems to be working well.
sudo vim /etc/apt/sources.list [change 'etch' -> 'lenny'] sudo aptitude update sudo aptitude install apt dpkg aptitude sudo aptitude full-upgrade












I typically do:
screen
apt-get update
apt-get dist-upgrade
Screen is good to use for big upgrades if you're logged in locally via X or remotely via ssh. If you lose your session, you can just log back in and reattach to it.
Perhaps I'm just too old school to use aptitude
Doing a Debian dist upgrade from etch to lenny via apt-get... let you guys know how it goes.
Some follow-up on the debian etch to lenny dist-upgrade via apt-get dist-upgrade. Went smoothly!! YES