Installing PHP APC On RHEL/CentOS

Yum up some packages:

yum install php-pear php-devel httpd-devel

Install APC using pear (the pear installer is smarter than the pecl installer):
When the installer asks about APXS, say ‘no’. 

pear install pecl/apc

Tell PHP to load APC:

echo extension=apc.so > /etc/php.d/apc.ini

Restart Apache:

/sbin/service httpd graceful

JSON on RHEL & PHP 5.1.6

Stuck with PHP 5.1.6 on RHEL or even CentOS (and a sysadmin who insists on using packages)? Need JSON? I did. The solution is easy:
yum install php-devel
pecl install json
The pecl install failed when it hit an 8MB memory limit, and I was clueless about how to fix it until I learned that the pecl installer [...]

Be Better Dork: Command Line Stuff

Be geeky and look at the Apache modules:

/usr/sbin/httpd -l
Compiled in modules:
core.c
prefork.c
http_core.c
mod_so.c

Set your path:

PATH=$PATH:/usr/sbin
export PATH