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I recently discovered memcached which is a distributed, object caching system originally developed by Brad Fitzpatrick of LiveJournal fame. You can think of memcached as a giant hash table that can run on multiple servers which automatically handles maintaining the balance of objects hashed to each server and transparently fetches/removes objects from over the network if they aren't on the same machine that is accessing an object in the hash table. Although this sounds fairly simple, there is a lot of grunt work in building a distributed object cache which handles data partitioning across multiple servers and hides the distributed nature of the application from the developer. memcached is a well integrated into the typical LAMP stack and is used by a surprising number of high traffic websites including Slashdot, Facebook, Digg, Flickr and Wikipedia. Below is what C# code that utilizes memcached would look like sans exception handling code

Disqus, pronounced "discuss", is a service and tool for web comments and discussions. The Disqus comment system can be plugged into any website, blog, or application. Disqus makes commenting easier and more interactive, while connecting websites and commenters across a thriving discussion community.

f you've ever been curious about what Google uses for server hardware, how the company designs its system modules, or how the parts get racked and stacked, we've got information inside that will tickle your whiskers. CNET managed a peek at the whole operation and brought back goodies—including pictures.

Carbonite backs up everything in your Documents and Settings folder (called Users in Windows Vista), including documents, photos, email and data files from applications, such as Quicken, Money, etc. Once a subscription is purchased, music is also added to the list. The default backup does not include programs, system files, temporary files, videos, or individual files greater than 4GB. You can, however, manually add any of these to your Carbonite backup.

Instrumentation allows you to determine the running state of a system once it has been deployed. This is crucially important today since the people supporting systems are unlikely to be the same people who developed them. Like good error handling, instrumentation is best done at development time. A sound instrumentation policy must be established at the beginning of the development process to determine what should be instrumented, why, where, and how.

Beginners guide to DFind command syntax.

The Windows Server 2003 Security Guide provides specific recommendations about how to harden computers that run Microsoft® Windows Server™ 2003 with Service Pack 1 (SP1) in three distinct enterprise environments—one in which older operating systems such as Windows NT® 4.0 and Windows® 98 must be supported, one in which Windows 2000 is the earliest version of the Windows operating system in use, and one in which concern about security is so great that significant loss of client functionality and manageability is considered an acceptable tradeoff to achieve maximum security. These three environments are respectively referred to as the Legacy Client (LC), Enterprise Client (EC), and Specialized Security – Limited Functionality (SSLF) environments throughout this guide.

If you have ever been a system administrator or network manager, you can appreciate a tool that allows you to efficiently check the health of various components of your network. Receiving alerts to problems the moment they happen lets you solve them as quickly as possible and prioritize your time effectively.

good stuff for perfmon