Archive for September, 2007

Parsing HTML through PHP in Plesk

Some users will want to parse HTML through the PHP parser because one of their applications requires it, or because they think it’s a good idea. Parsing regular static content through PHP is not recommended as it will cause a performance hit on the server each time a static page is loaded.
Unfortunately, enabling this [...]

Session problems with Horde in Plesk with AOL

Since AOL sends their users’ traffic through proxy servers, this can cause problems with Horde’s session handling in Plesk. The problem arises when the user’s IP changes during the middle of the session.
You may see an error message in Horde that looks like this:
Your Internet Address has changed since the beginning of your Mail [...]

Counting open files per user

In the event that your system is running out of file descriptors, or you simply want to know what your users are doing, you can review their count of open files by running this command:
lsof | grep ‘ root ‘ | awk ‘{print $NF}’ | sort | wc -l
Of course, if you want to drop [...]

A week’s vacation

So, you might be saying: “where the heck are the updates for RackerHacker lately?”
Don’t worry, I’m still alive! Some work and personal obligations kept me away from the blogging for a week, but I’ll be hard at work finding new things for you as soon as I can!

Boxcheck.com improvements

I’ve been hard at work on the boxcheck.com site, and there’s plenty of improvements. The new interface is quicker, easier to use, and it uses ajax for a more Web 2.0 feel (can’t believe I just said Web 2.0).
Some beta testers are already giving it a whirl, and I hope to have it released [...]