Measurements for DIY Rackmount / Relay Rails: Networking and Servers in the Same Rack

A while back I had occasion to mount both networking and server equipment in the same Compaq 4-post server rack. This presented some problems because the rails in the rack needed to be spaced as close to the front and rear doors as possible to accomodate the depth of the servers I was mounting in the rack. [...]

OtR: SANS Institute Free Security Whitepapers

One of my fellow Richmond Metro LUG (RMLUG) members recently pointed out the Reading Room at the SANS Institute. The Reading Room gives you free access to over 1,600 free white papers on numerous security topics; wireless mesh security, intrusion prevention, Windows firewall security dissection and identity theft are just a few of the topics [...]

Update: Digital River Zip Code Checkout Issue

About a week after I published my first post regarding Digital River’s broken checkout, I received a blog comment from Jeff, a Digital River employee, inquiring about the issue. It is nice to know that there are some people at a few companies out there actively involved in researching and resolving issues they might not [...]

VMWare Error on Dell Precision 490: This CPU is VT-capable, but VT is not enabled

While loading a new 64-bit virtual machine to VMWare Server recently, I received the following error message: “This CPU is VT-capable, but VT is not enabled (check your BIOS settings).” Here is some background and how to resolve this error message:
My work computer is a dual Xeon 5110 Dell Precision 490 workstation that I use [...]

Share Your Startup Experience: What drives success? What guarantees failure?

I am somewhat fascinated with the world of startups, and the differentiating factors that often mean catastrophic failure or wild success really interest me. Over the course of my brief career, I have worked for a handful of private companies that many would consider to be startups; these are relatively young and resource-constrained businesses with [...]