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Proof that Digg has at least 6 web servers

The Straight p00p: Anyone on the Internet can experimentally determine how many web servers Digg.com has, due to their server configuration. If Digg tweaks their web servers to fix this, they can speed...

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Debugging the Internet Explorer View Source problem with Fiddler and fixing...

Summary: This article shows how to figure out why Internet Explorer's View Source command didn't work on an XML document, how it was debugged using Fiddler, and the ASP.NET fix.You ever try "View...

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Use Remote Desktop to trick Virtual PC and Virtual Server into using USB...

Summary: Microsoft Virtual PC and Virtual Server say that they don't work with USB smartcards, but you can trick it to work by using Remote Desktop.The Microsoft site says the following about Virtual...

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CTU Newhire Guide to Opening a Socket

NOTE: See this post for information on MySpace Account Hacking.In FOX's 24, whenever Jack Bauer is in a pinch, resident techgeek Chloe O'Brien has to "open a socket" or "open up a socket to the...

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Memory tester software roundup

I recently got 2 sticks of 1GB memory for my system so the first thing I did was test it using some free memory testing software. I'm too paranoid, so I didn't want to rely on a single app, so I tried...

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Secret Dell hard drive diagnostics in the BIOS

My drive started to fail in my Dell PowerEdge 400SC, so Dell shipped me a new drive. I installed it and Dell Support told me to boot-up and repeatedly press Ctrl-Alt-D. Apparently this runs some sort...

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Slipstreaming Windows Server 2003 SP1

Here's a good guide on slipstreaming SP1 into Windows Server 2003, making a new CD that will directly install Windows Server 2003 SP1 (which is somewhat different than just installing Windows Server...

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Logon to the Console to use Intel PROSet software in Device Manager

TIP: To use the Intel PROSet software for an Intel Networking Adapter (NIC), logon to the console of the machine. If you're logging in via Remote Desktop (aka Terminal Services), pass the /console...

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Diagnosing a hung system with Windows Server 2003's Emergency Management...

The other day I setup Emergency Management Services on one of my machines. The idea is that you connect your machine to another machine via their COM ports, using a null modem cable. Then, from the...

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Newegg's reasonable customer service refunds me $5

The other day I ordered two Seagate 250GB SATA drives from Newegg.com for $79.99 each, but I forgot to use the BUYBARRACUDA discount code which takes $5 off the order. I contacted Newegg Customer...

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Test your Network Performance with ntttcp

UPDATE: ntttcp is available for download here.This is a short tutorial on how to use the industry-standard ntttcp tool to bandwidth test a machine's network adapter (aka NIC), drivers, etc. I've used...

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Test your Web Server Performance with WCAT

This is a quick tutorial on how to use WCAT to benchmark a web server. First, get the IIS 6.0 Resource Kit which includes the WCAT Client and Controller. Then, on your client machines that will help...

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CPU Stress Tool Roundup

When putting together a new machine, it's a good idea to stress test the CPU (including all its cores) and get it to generate as much heat as possible. Here's some tools I've usedCPU Burn-inThis tool...

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Making Secure Network Connections with stunnel

Stunnel is a tool that allows one to encapsulate existing protocols in a secure tunnel. This is similar to how one can do port forwarding with ssh. In addition to preventing the tunnel from being...

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Speed up your Internet by limiting your upload speed with WinTC

Are you sick of reading bogus "speed up your Internet" tweaking instructions? Instead of bogus instructions, here's some actual free techniques that can be experimentally tested to see that they really...

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Viewing your kernel mode device drivers

Poor quality kernel mode device drivers can cause system instability or crashes. You can view the kernel mode device drivers used on your system by doing the following:Start Menu -> Run ->...

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Network Analyzers and Top Talkers for Windows

When diagnosing networking problems, it can be useful to have two tools on hand:A "Top Talker" tool that will show what connections/hosts are using the most bandwidth. A "Network Analyzer" that will...

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How to block an IP address on Windows Server 2003

Sometimes you may want to prevent a specific IP address from accessing your machine or server. There's a variety of methods with pros and cons:Application LevelIf you really just want to prevent a...

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Prevent IIS from revealing your web server IP address

If a HTTP client doesn't give a HTTP Host header when communicating with your web server, IIS 6 will output the IP address of your web server in the returned HTTP headers:HTTP/1.1 200 OKContent-Length:...

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Setting UTF-8 character encoding for all static HTML with IIS

NOTE: It is not advisable to follow these instructions for the reasons described in this newer post.If you've done any programming with ASP.NET, you'll notice that by default it outputs this HTTP...

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