It sounds like a simple thing to do: As Ubuntu does not have support for Xen by default, I wanted to run a Debian Lenny Server as Xen host (Dom0) with Ubuntu Lucid (10.04) LTS as guest (DomU). But there were some obstacles: debootstrap does not support Ubuntu Lucid by default Ubuntu Lucid cannot boot … Continue reading Xen: Debian Lenny Dom0 with Ubuntu Lucid Guest
Tag: virtualization
ZFS vs LVM For Dummies
Warning: This article is an over-simplified and absolutely incomplete view of ZFS vs LVM from a user's point of view. I'm sure, LVM works great for a lot of people, but, well, for me it sucked. And ZFS simplifies my life. Honestly. Here's why. Providing Disk Space To Virtual Machines Ok, I have to admit … Continue reading ZFS vs LVM For Dummies
Service Isolation By Virtualization
As recommended by Ezra Zygmuntowicz, I’ve divided all layers of our web application into separate virtual machines using Xen. At a first glance, having virtual machines for every service sounds like quite some overhead. Isn’t it much simpler to just install the whole stack on one box and let it run? Why take the hassle … Continue reading Service Isolation By Virtualization
Agile Web Operations 