Author Archives: David J. Pryke

About David J. Pryke

David J. Pryke: Husband | Father | Techie: A SysAdmin living and working in Pittsburgh, PA, USA.

WordPress woes

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Well, as my first post, let me touch on some wordpress performance problems, as I just ran into said problems while getting this blog running. So, I setup this virtual server a couple weeks ago.  On it, I installed a variety of things, including some other PHP-heavy sites.  All of them work great; faster than I expected, in fact. Today,… Read more »

Virtualization: What is it? or “Virtualization vs. Emulation”

Today I was inspired by an article in the February 27th issue of Infoworld Magazine written by Tom Yager titled, “What virtualization is — and what it isn’t,” which was regarding misuse of the term “virtualization.” He goes on to briefly identify a few ways that the term is used correctly, as well as incorrectly, in some modern software products,… Read more »

Xen Virtualization Technology (Part 1)

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Tonight I’m discussing Xen Virtualization Technology. This technology is the best I’ve ever worked with when it comes to virtualization of hardware on an x86-based machine. What is Xen? From the Xen FAQ: “Xen is a virtual machine monitor (VMM) for x86-compatible computers. Xen can securely execute multiple virtual machines, each running its own OS, on a single physical system… Read more »

Welcome!

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Welcome, and hello! My name is Dave, and I am a Systems Administrator in Pennsylvania, USA. I am starting this blog to discuss various sysadmin related topics, including network and systems security, systems configurations, tips for optimizing systems and networks, using open source tools in a corporate environment, and more. I will be writing about my experiences and various things… Read more »