Challenges of Upgrading Linux

“Three years ago I chose to do that with Fedora, Apache2, and
Sendmail. The initial configuration wasn’t simple. I had to learn
how to compile source code. I spent hours digging through forums
and how-to articles to get my configurations correct. But after a
couple of weeks working in my free time I had a stable, secure,
Linux system with web access to my email. In the course of three
years I never had to reboot the server and when I found security
holes I did a quick up2date and it applied the upgrade and
installed a patch. I was very happy with my new Fedora server and
it ran perfectly until last Tuesday…”