Ubuntu Hardy - installing Apache and PHP5

Ubuntu Hardy Heron comes with Apache v.2.2.8 and PHP v.5.2.4 and they are easily installed via the default Ubuntu Package Manager 'aptitude'.

The advantage of using aptitude is that you will get any security updates from Ubuntu (if and when distributed) and dependencies are automatically taken care of.

CentOS - installing Apache and PHP5

CentOS comes with Apache v.2.2.3 and PHP v.5.1.6 and they are easily installed via the default CentOS Package Manager 'yum'.

The advantage of using yum (as opposed to installing via source code) is that you will get any security updates (if and when distributed) and dependencies are automatically taken care of.