Data Center

Here is another useful blog on this topic.

http://datacenterdesign.blogspot.com/

Data Center design Philosophy

I found some simple design guidelines which can help in good data center design. Follow the links below. From Sun

http://www.sun.com/blueprints/0102/dcphilosophy.pdf

and also from IBM

http://www.continuitycentral.com/ResilientDataCentreDesign.pdf

PC Maintenance

This article talks about two most important system tasks that can be performed without any additional cost and can help in keeping the PC in good performing condition.

http://www.thetechnologycoach.ca/new_page_2211.htm

Basic hardware troubleshooting

Following link contains documents with solutions to many of the frequently encountered problems. A good source of useful information.

http://www.computerhope.com/basic.htm