The following steps can be taken to install Ubuntu 12.04 LTS on a VM running on XenServer 6. Unfortunately there is no standard template for Ubuntu 12.04 (at least in XenServer 6.0.2 which I used for testing), so we need
Rebooting a stuck VM on XenServer
Sometimes a VM on XenServer gets stuck. Trying to reboot it from XenCenter results in the error message “Another operation involving the object is currently in progress“. There are some steps that can be taken to reboot the VM from
Installing a Storm cluster on CentOS hosts
Storm is a distributed, realtime computation system to reliably process unbounded streams of data. The following picture shows how data is processed in Storm: This tutorial will show you how to install Storm on a cluster of CentOS hosts. A
Installing Joyent command line tools on CentOS
A set of command line tools is available for the Joyent cloud computing platform which allows you to e.g. list images and create virtual machines. The installation of this set is a bit tricky on CentOS as it requires node.js
Installing Rackspace command line tools on CentOS
A set of command line tools is available for the Rackspace cloud computing platform which allows you to e.g. list images and create virtual machines. The installation of this set can be achieved with the following commands: yum install python-setuptools
Installing Azure command line tools on CentOS
A set of command line tools is available for the Windows Azure platform which allows you to e.g. list images and create virtual machines. The installation of this set is a bit tricky on CentOS as it requires node.js and
Installing Apache Libcloud on CentOS
Apache Libcloud is a standard Python library that abstracts away differences among multiple cloud provider APIs. At the moment it can be used to manage four different kinds of cloud services: servers, storage, loadbalancers and DNS. Here are the steps
Installing Ubuntu 10.04 on XenServer 6.0.2 with guest tools
In a previous article a couple of years ago I wrote about the possibility to install the XenServer guest tools on Ubuntu 10.04. The situation has changed for the better with the release of XenServer 6, which supports Ubuntu 10.04
CentOS Cassandra init (start / stop) script
For CentOS I created an init script to start it at boot time and shut it down for rebooting or power off. If you want to use this init script for your own machine please look through the script and
Deleting XenServer templates
Sometimes XenServer doesn’t allow you to delete templates from the XenCenter GUI or even the CLI. Here is how to delete templates from the CLI in three steps: Tell XenServer the template is not a default template Convert the template