Archive | xen

22 February 2011 ~ Comments Off

Converting KVM to VirtualBox

I have had most of my test environment, aka puppetmasters, test mysql setups etc running in KVM for the past couple of years .. (yes I`m still using a lot of Xen in production environments, but we’ve also been using KVM for a while already .. it’s a go…

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30 October 2010 ~ Comments Off

Puppet broke my Xen

Actually it didn’t , but now I got your attention.
We just adopted the use of adding headers to all of our files that are managed by puppet so people will know not to touch it
file { "/etc/xen/scripts/network-custom-vlan-bridges&…

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01 September 2010 ~ Comments Off

Fedora 13 as a domu guest with xen 3.4.2 on CentOS 5.5

I wanted to install a Fedora 13 machine as a paravirtual domu guest on our CentOS 5.5, xen 3.4.2 host. I also wanted to provision it using koan/cobbler. I ran into a few problems along the way, but I got there in the end! Firstly, createrepo in CentOS 5.5 does not work with either the [...]

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27 May 2010 ~ Comments Off

Building Virtual Appliances

Johan from Sizing Servers asked me if I could talk about my experiences on building (virtual) appliances at their Advanced Virtualization and Hybrid Cloud seminar . Off course I said yes ..
Slides are below … Enjoy ..
Building appliances
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16 May 2010 ~ Comments Off

Creating a scalable virtualization cluster with Ganeti

Creating a virtualization cluster that is scalable, cheap, and easy to manage usually doesn’t happen in the same sentence. Generally it involves a combination of a complex set of tools tied together, expensive storage, and difficult to scale. While I think that the suite of tools that use libvirt are great and are headed in [...]

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14 April 2010 ~ Comments Off

Mcollective & Xen : naughty things

I already blogged about my experiments with mcollective & xen but I had something a little bigger in my mind. A friend had sent me a video showing some vmware neat features (DRS mainly) with VMs migrating through hypervisors automatically.
So I wrote a “proof of concept” of what you can do with an awesome tool [...]

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