If your site runs on Apache and you’re familiar with .htaccess, the 5G Blacklist is an effective way to secure your site against malicious HTTP activity.
[Update: The 6G Blacklist is now available.]
The 5G Blacklist is a simple, flexible blacklist that checks all URI requests against a series of carefully constructed HTAccess directives. This happens quietly behind the scenes at the server level, saving resources for stuff like PHP and MySQL for all blocked requests.
Simply add the following code to your site’s .htaccess file. Make sure you make a copy of your existing file before making any changes.

Forgetting your password is never any fun, but luckily there’s a really easy way to reset the password. All you need is a copy of the Windows installation disk and one simple command line trick.
It often takes longer to download the ads on a page than the page content itself (in the case of flash ads anyway) and how annoying are those ads covering the bottom section of YouTube videos!? Firefox and Chrome addon
Rick Klau has written up an excellent 