I've been using Fedora Core 5 for a few months now and keep having problems because of the PHP 5. So, I"m going to rebuild the box with another Dist of Linux. I know this is an open question, but what would you use to rebuild with? I want a server that installs MySQL 4.x and PHP 4.x by default. Thanks.
Personally, i recommend Debian Sarge 3.1. You can read my motivation in this thread: http://www.howtoforge.com/forums/showthread.php?t=3956&highlight=poll
Same for me.. Debian Sarge 3.1 (I only tested CentOS and Fedora RC4 as Linux server OS). Windows 2003 is also nice
I'd also go for Debian Sarge 3.1 but I don't know others all too well but I've been very happy with it
I prefer sarge on my root servers, but CentOS is nice as well only to complicated to install from within the rescue for me.