PHP Sessions not being deleted on Ubuntu Server
I came across an issue on one of our Ubuntu 10.04 servers where there was over 1GB of session files, and none getting deleted. I didn't know that Ubuntu ignores the normal PHP method for deletion in favour of using cron. I won't re-write the whole shebang here, but here is the article that shed some light on the situation for me: http://www.laurencegellert.com/2012/08/php-sessions-not-being-deleted-on-ubuntu-server/…