Xen

Adding an ISO repository on XenServer 5.5

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XenServer create local ISO Repository (LVM)

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Accessing data on xen lvm guest image

Accessing xen guest image is very easy if the image is not lvm partitioned. But the main problem arise when the image is of lvm format and normal mount command cannot be used. Here I will show both the way. The first is when ext filesystem is used, and the […]

Back Up LVM XEN Guest Containing LVs

In my day-job all our Linux boxes (bar 3) are Xen VMs. I wanted a way to take a backup of these with out the risk of the files changing underneath. For performance reasons I am running all of them on Logical Volumes. Within these VMs the DomU OS is […]

XEN Virtualization Set The MTU For xenbr0 Interface

I’ve already written about setting the MTU (Maximum Transmission Unit) under Linux including Jumbo frames (FreeBSD specific MTU information is here). With this quick tip you can increase MTU size to get a better networking performance. How do I setup MTU under XEN xenbr0 interface? You can easily set MTU […]

additional RAM on Xen VPS

If you wish to add additional RAM on a Xen based VPS, you need to follow the below steps: #Search the VM name: xm list #Edit the VM’s configuration file. Update the required value and save the file: vi /home/xen/vmname/vmname.cfg #To stop and start the VPS, follow the below steps: […]

Xen on Debian Etch

I’ve been testing out a few virtualization systems and am sofar very pleased with Xen. Installing on Debian Etch couldn’t be easier and it worked straight out the box – I had my first virtual server running in under 15 minutes flat! Use the following commands to install Xen on […]

Xen Cluster Management With Ganeti On Debian Lenny

Ganeti is a cluster virtualization management system based on Xen. In this tutorial I will explain how to create one virtual Xen machine (called an instance) on a cluster of two physical nodes, and how to manage and failover this instance between the two physical nodes. This document comes without […]