Tag Archive: centos

Jul 06 2011

Xen, LVM, and Grub

I ran into an interesting problem with my new server the other day. Due to a hardware problem with an external USB hard drive, I had to reboot the XEN host. I had to do the reboot remotely … so I couldn’t intervene if something went wrong.  Yes, you guessed it, something did go wrong. …

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Apr 09 2011

CentOS Upgrade

Well, I’m pretty pleased with CentOS so far. I just completed a minor version upgrade (5.5 to 5.6) via yum and it went very smoothly.  This involved 3 virtual guest and one host (the guests run inside the host). I had one small glitch with the RPM database on middle-earth.  Some dependencies were screwed up, …

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Mar 03 2011

Virtualization Advice

I need some virtualization advice. I’m currently running this blog, among others, on XEN 3.1.2 based virtualization on CentOS 5.5. At the present time, I have three physical machines running … rivendell, gondor, and middle-earth. Middle-earth”is the XEN host. Rivendell and gondor are stand alone servers running Fedodra 10. Currently gondor is primarily a web …

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Jan 16 2011

Virtualization Test

OK, I’m jumping in with both feet. This post starts my test of server virtualization. This blog is now running on a virtualized instance of CentOS 5.5 … running inside a CentOS 5.5 managed XEN hypervisor. It has 4gb of RAM and two processors allocated. Keep your fingers crossed. 🙂