Installing suPHP in a custom server

To install suPHP on Ubuntu Linux to meet the server requirement, simply type

$ sudo apt-get install libapache2-mod-suphp
$ sudo a2dismod php5
$ sudo service apache2 restart

Please ensure that /etc/apache2/mods-enabled/suphp.load contains the following line:

LoadModule suphp_module /usr/lib/apache2/modules/
Then configure /etc/apache2/mods-enabled/suphp.conf and set suPHP_Engine to on
suPHP_Engine on

To install suPHP on CentOS/Redhat, follow the instruction here.