Xen Memory Use and ZopeXen Memory Use and Zope
I am currently considering what to do regarding a Zope server that I have converted to Xen. To best manage the servers I want to split the Zope instances into[...]
Category: Virtualisation
Virtualisation and cloud computing
Context of /dev/xvc0Context of /dev/xvc0
I have just converted a Fedora Core 5 server to a CentOS 5 Xen Dom0 with Fedora Core 5 as a DomU. The process took a little longer than expected[...]
Duplicating a Xen DomUDuplicating a Xen DomU
A fairly common request is to be able to duplicate a Xen instance. For example you might have a DomU for the purpose of running WordPress and want another DomU[...]
Out Of Memory Errors and ApacheOut Of Memory Errors and Apache
I’ve been having problems with one of my Xen virtual servers crashing with kernel error messages regarding OOM conditions. One thing I had been meaning to do is to determine[...]
Identifying the Distribution of a Linux SystemIdentifying the Distribution of a Linux System
I just needed to test something so I mounted the filesystem of one of my Xen domains in the Dom0 and chroot’d into it (I didn’t need the overhead of[...]
Ethernet Bonding and a Xen BridgeEthernet Bonding and a Xen Bridge
After getting Ethernet Bonding working (see my previous post) I tried to get it going with a bridge for Xen. I used the following in /etc/network/interfaces to configure the bond0[...]
Xen SavesXen Saves
A couple of days ago the hardware that is used to host this blog was upgraded – doubling the amount of RAM in the machine. To do this the machine[...]
Red Hat virt-install and PartitionsRed Hat virt-install and Partitions
I have recently been using virt-install on CentOS 5 to install some virtual machines (I previously posted a summary of the experience). One problem I had is the inability to[...]
A Support Guide for XenA Support Guide for Xen
Here’s a guide to supporting Xen servers for people who are not Linux experts. If your job means that you have root access to a Xen server that someone else[...]
An Ideal Linux Install Process for XenAn Ideal Linux Install Process for Xen
I believe that an ideal installation process for Linux would have the option of performing a Xen install. The basic functionality of installing the Xen versions of the required packages[...]