Posted by admin | Posted in MyCheatSheet | Posted on 26-05-2010
When your wordpress starts giving out 500 internal errors intermittently or consistently, check your process table from your cpanel. Chances are, there are too many wp-cron.php hanging and clogged up your limited process table (as allowed by your hosts).
What's causing these wp-cron.php to hang? You may ask. First suspect, is your list of Update services, i.e. the list of ping servers under your setting->writing module. No sure of the exact relationship, but when I get rid of the existing list of update services servers, my list of wp-cron.php also went away. Seem like a good place to start my troubleshoot from there.
Hope it helps you as it certainly helps me 