Xen and EeePCXen and EeePC
I’ve been considering the possibility of using Xen on an ASUS EeePC as a mobile test platform for an Internet service. While the real service uses some heavy hardware it[...]
Category: Virtualisation
Virtualisation and cloud computing
ISP Redundancy and VirtualisationISP Redundancy and Virtualisation
If you want a reliable network then you need to determine an appropriate level of redundancy. When servers were small and there was no well accepted virtual machine technology there[...]
CPU Capacity for VirtualisationCPU Capacity for Virtualisation
Today a client asked me to advise him on how to dramatically reduce the number of servers for his business. He needs to go from 18 active servers to 4.[...]
Hosting a Xen ServerHosting a Xen Server
Yesterday I wrote about my search for a hosting provider for a Xen DomU [1]. One response was the suggestion to run a Dom0 and sell DomU’s to other people[...]
Xen HostingXen Hosting
I’m currently deciding where to get a Xen DomU hosted. It will be used for a new project that I’m about to start which will take more bandwidth than my[...]
Installing a Red Hat based DomU on a Debian Dom0Installing a Red Hat based DomU on a Debian Dom0
The first step is to copy /images/xen/vmlinuz and /images/xen/initrd.img from the Fedora (or RHEL or CentOS) DVD somewhere convenient, I use /boot/OS/ (where OS is the name of the image)[...]
Xen and SwapXen and Swap
The way Xen works is that the RAM used by a virtual machine is not swappable, so the only swapping that happens is to the swap device used by the[...]
The Future of XenThe Future of Xen
I’m currently in Xen hell. My Thinkpad (which I won’t replace any time soon) has a Pentium-M CPU without PAE support. I think that Debian might re-introduce Xen support for[...]
Xen for TrainingXen for Training
I’m setting up a training environment based on Xen. The configuration will probably be of use to some people so I’m including it below the fold. Please let me know[...]
Xen and SecurityXen and Security
I have previously posted about the difference between using a chroot and using SE Linux [1]. Theo de Raadt claims that virtualisation does not provide security benefits [2] based on[...]