After running into “session could not be started because it was already started with session_start() or session.auto_start” on a project, I realized that removing the cronjob is not the only thing that needs to happen to let PHP manage it’s own sessions. chmod www-data:www-data /var/lib/php5 update /etc/php5/apache2/php5.ini and set session.gc_probability = 1 I’m assuming that … Continued