"A few months ago I decided to migrate my not entirely functioning Red Hat ES 3.0 system to the Debian stable release. I wanted to do my upcoming work using completely noncommercial, open source software, including the operating system. This migration seemed like a task that would be relatively straightforward for someone with 25 years of software development experience.
"It wasn't, but the adventure was certainly educational. The next time I need to migrate a Linux system, perform a major operating system upgrade, or install a system on a new PC, I'll have a much better understanding of what to do before I start and what to watch out for as I proceed..."