Plesk generally runs a version or sub-version behind in their available PHP builds for Plesk. To safely upgrade PHP and MySQL on a production Plesk 8 or 9 server, please follow these instructions.
Step 1) Install the Atomic Channel:
$ wget -q -O – http://www.atomicorp.com/installers/atomic.sh | sh
Step 2) Upgrade PHP and MySQL:
$ yum upgrade php mysql
Step 3) Replace the PHP 4 php.ini with PHP 5.2.x’s (if applicable):
$ cp /etc/php.ini /etc/php.ini~backup
$ mv /etc/php.ini.rpmnew /etc/php.ini Continue reading “PHP 5.2.x & MySQL 5.0.x Upgrade for Plesk 8/9”