Search Results for: pygrub

Linux, XEN

pygrub: Unable to find partition containing kernel

Introduction: Lately after I upgraded many packages in a Xen 4.4 DOMU VM the pygrub could not boot the VM any more. During the security update, the installed grub2(grup-pc), which never created any problems before with pygrub, got updated and suddenly it did create problems to boot the VM. Here is the error message I …

Linux, XEN

Using pyGRUB on Squeeze/Wheezy to boot a domU kernel

This adapded article is based on the following Debian Wiki article: http://wiki.debian.org/PyGrub In this article I assume: – The reader is familiar with Linux and Xen Hypervisor – The DOMu system partition is using a file image instead of a physical partition. Introduction: This method offers the advantage of loading the kernel which is installed …

Linux, XEN

Creating a new Xen Debian virtual machine from scratch

Introduction: In this tutorial a new virtual machine based on Debian Jessie distribution will be created from scratch with minimal components. Assumption: The Xen Hypervisor should already be installed and running in the main system (DOM0). Creating the Xen Virtual Machine This virtual machine will be created with the xen tools which bootstraps the creation …

Linux, XEN

Installing Xen 4.4 on Ubuntu Server 14.04 LTS (Trusty)

Introduction: This HowTo assumes that the Internet access from VMs via DOM0 and the private LAN are done using the Bridge method. In the previous versions of Xen installation the bridges were dynamically built via the Xen scripts, in this version the bridges are built permanently as the DOM0 boots up. DOM0:xenbr0(eth0) —bridging==>> DOMUs:eth0 DOM0:pdummy0(dummy0) …

Linux, XEN

Installing Xen 4.4 on Ubuntu Server 14.04 LTS (Trusty) in a Hetzner server with 8 IPs subnet

Hetzner Germany has very fast and not expensive rentals of Hardware servers available. In order to communicate internally via private network between Xen-DOMUs and DOM0, normally one would install Xen DOM0 network with bridge networking as follows: DOM0:xenbr0(eth0) ===bridging===>> DOMUs:eth0 BUT!!!! PROBLEM: Because of the configuration of the network switches at Hetzner, one hardware server …

Linux, XEN

Install Xen 4.1 on Debian Wheezy in a Hetzner Dedicated server

Hetzner Germany has very fast and not expensive rentals of Hardware servers available. In order to communicate internally via private network between Xen-DOMUs and DOM0, normally one would install Xen DOM0 network with bridge networking as follows: DOM0:xenbr0(eth0) — bridging==>> DOMUs:eth0 DOM0:xenbr1(dummy0) —bridging==>> DOMUs:eth1 BUT!!!! PROBLEM: Because of the configuration of the network switches at …

Linux, XEN

Switching from xm(xend) XenToolStack to XL XenToolStack in Delian Wheezy

Introduction: While I upgraded my Xen DOM0 from Squeeze to Wheezy it was recommended to switch from the Xend(xm) Toolstack to XL Toolstack. Because I found very little info on how to do the switch. So here is a way do it on Wheezy. Here we are assuming that you have installed Xen 4.1 Hypervisor …

Apache, Linux, Postfix, XEN

Creating a XEN machine and Installing Group Office in Debian Wheezy

Introduction In this Tutorial I will explain the steps I did to create a Xen Virtual Machine with minimal packages and then install the latest Group Office Web based Collaboration software. You’ll need to be fluent in Linux and Xen because I don’t explain much here. Note: My hypervisor is Xen 4.0 in Debian Squeeze …

Linux, XEN

Installing an Ubuntu 12.0.4 LTS as Xen DOMu in Debian Squeeze hypervisor

Lately I needed to install Zimbra 8.0.3 which only installs easily in an Ubuntu 10.0.4 or 12.0.4 LTS system. So I decided for that to install an Ubuntu 12.0.4 LTS as Xen DOMu in a Debian Squeeze Xen Hypervisor and here is how I did it. The following commands can be put into a runnable …