in reply to problem in mod_perl installation
Contrary to what has been suggested elsewhere in this thread, I would not suggest using an rpm to install mod_perl; thisi s because the rpm installs mod_perl as a DSO, which has been shown to cause problems down the line.
Yes, you will need LWP installed. After that -- well, ordinarily I'd suggest you peruse the most magnificent mod_perl Guide, but I've found something which is an order of magnitude easier -- Apache Toolbox. Just turn on the mod_perl option in the menu, sit back, and relax. 95% of the time, that's all that it'll take. Give it a try.
If you decide not to to that, my only guess is that the directory is not called apache_1.3, but apache_1.3.xx, Take a gander at the getting your feet wet section of the Guide for more details.
Update: In answer to fuzzyping, check out the pros and cons of using DSO, as well as the section on using RPM to install mod_perl. See this message (and reply) sent on the mod_perl list today for a real-world example of DSO causing havoc with mod_perl. Other sources confirm this; however, I thought there was something more specific in the Guide warning about the dangers of DSO, but I can't seem to find it now.
perl -pe '"I lo*`+$^X$\"$]!$/"=~m%(.*)%s;$_=$1;y^`+*^e v^#$&V"+@( NO CARRIER'