For those of you who are trying to upgrade from PHP 5.2 because your application requires PHP 5.2 or above, you can use this hack to upgrade your web server running CentOS.  Since CentOS doesn’t officially support PHP 5.2 officially yet, this could possibly be a great workaround. Word of caut ...

If your website does a lot of queries via domain names such as aggregating RSS feeds or even a Twitter app site that accesses Twitter API, you might benefit from installing DNS cache on your linux web server. For most, you would benefit from installing DNS cache because it will save you a ton of tim ...