How to Register a DLL File in Windows

by File in: How-To

Ever run into a Windows problem where you have to register a DLL file on your computer? A DLL file, aka Dynamic Link Library, are files that contain functions used across multiple applications. For example, Microsoft Office has hundreds of DLL files that can be used between the various Office programs to perform certain certain […]

HTML Code to Wrap Text Around Image

by File in: How-To

Need the code to wrap text around an image? Normally when you create an HTML page, everything flows linearly, meaning one block directly after another. All of my previous posts are an example of this, i.e. text, then picture, then text, etc. Sometimes you may want to include text next to an image instead of […]

How to Change the Boot Sequence in the BIOS

by File in: How-To

Looking to change the boot order on your Windows machine? By changing the boot order, you can force your computer to boot from a CD/DVD drive, a USB stick, or even off the network. Changing the boot order on a PC is normally done in order to boot from a recovery disk or from an […]

Fix “Calling LoadLibraryEx on ISAPI filter c:\…isapi.dll failed”

by File in: How-To

Yesterday, while setting up a website on IIS 7 and Windows Server 2008, I loaded up the website in the browser and ended up getting the following error message: Calling LoadLibraryEx on ISAPI filter C:\…isapi.dll failed The path was to the isapi.dll file in C:\Program Files\etc and I was pretty sure everything was setup properly. […]

How to Fix “not recognized as an internal or external command” in Windows

by File in: How-To

There are cases when software installers mess up our Windows environment variables. When the environment variables get messed up, it could lead to trouble with other programs that share the same environment variable. One such symptom is the following error in Windows: “command” is not recognized as an internal or external command, operable program or […]

Why the “less” Command is Better Than “more” in UNIX and Linux

by File in: Linux Tips

I work with a lot of huge log files. I usually connect to my UNIX and Linux servers using Putty or Telnet, then I read the files using standard UNIX/Linux commands.  Other IT folks prefer to use an X-window GUI, but if you have a low-bandwidth connection, it is better to use a command line […]

How to Tunnel VNC over SSH

by File in: How-To

In this article, I will talk about how you can tunnel any VNC connections over the SSH protocol, which ensures all traffic is encrypted and secure. I currently use this all the time before remotely connecting to any of my PC’s so that passwords and login info cannot be sniffed. There are a few prerequisites […]

How to Install VirtualBox Guest Additions in Ubuntu

by File in: Linux Tips

Yesterday I talked about how to create an Ubuntu virtual machine in VirtualBox and today I will walk through installing VirtualBox Guest Additions in Ubuntu. It, of course, requires using the command line! The VirtualBox Guest Additions are very similar to the Virtual Machine Additions that comes with Virtual PC. They basically add a couple […]

How to Convert a Physical Server to a Citrix Xen Virtual Server (P2V)

by File in: Virtualization

Update Oct 2017: Citrix no longer provides the XenConvert tool as a download and doesn’t support it anymore. Your only options now to convert a physical machine to XenServer is to first get it into VHD format (using a tool like Disk2VHD) and then import it in. If you are wanting to convert a VMware […]

Why is the Default IP Address for My Router

by File in: Networking

Someone at my office recently asked me why their wireless routers always have a default IP address of or and I really could not come up with a good answer! Being an IT guy myself, I was obviously irritated by the fact that I hadn’t really thought about something that’s in my face […]