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Search results for Building a Virtual Cluster with Xen

Debian

Using multiple network cards in XEN

Post date: December 10, 2006, 09:12 Category: Emulation Views: 7425 Comments
Tutorial quote: Xen is great. But installing more than one network card became a pain when I tried it the first time. There are some documents describing the principle but I was unable to find a real life example somewhere else. So this is a summary about how it works here now.
Debian

Setting Up A Highly Available NFS Server

Post date: April 1, 2006, 05:04 Category: Network Views: 6262 Comments
Tutorial quote: In this tutorial I will describe how to set up a highly available NFS server that can be used as storage solution for other high-availability services like, for example, a cluster of web servers that are being loadbalanced. If you have a web server cluster with two or more nodes that serve the same web site(s), than these nodes must access the same pool of data so that every node serves the same data, no matter if the loadbalancer directs the user to node 1 or node n. This can be achieved with an NFS share on an NFS server that all web server nodes (the NFS clients) can access.

As we do not want the NFS server to become another "Single Point of Failure", we have to make it highly available. In fact, in this tutorial I will create two NFS servers that mirror their data to each other in realtime using DRBD and that monitor each other using heartbeat, and if one NFS server fails, the other takes over silently. To the outside (e.g. the web server nodes) these two NFS servers will appear as a single NFS server.

In this setup I will use Debian Sarge (3.1) for the two NFS servers as well as for the NFS client (which represents a node of the web server cluster).
Debian

Giving your Xen instances a working X setup

Post date: January 3, 2006, 04:01 Category: Software Views: 2612 Comments
Tutorial quote: Xen, the virtualisation system, is a great tool for running fresh copies of an operating system. However it doesn't allow you to run X11 programs. Here we can fix that with the help of VNC.
Linux

Building a Linux supercomputer using SSH and PVM

Post date: April 11, 2006, 21:04 Category: Network Views: 3145 Comments
Tutorial quote: If you have a couple of old Linux boxes sitting around, then you've got the makings of a supercomputer. Dust them off, install Secure Shell (SSH) and Parallel Virtual Machine (PVM), and start your complex algorithms.
Debian

How To Enable Networking In Xen Guests On Hetzner's New EQ Servers (Debian Lenny)

Post date: October 27, 2009, 23:10 Category: Network Views: 5237 Comments
Tutorial quote: This tutorial shows how you can enable networking in Xen guests (domU) on Hetzner's new EQ servers. With the new EQ servers, you can get up to three additional IPs that are in the same subnet as the server's main IP. The problem is that these additional IPs are bound to the MAC address of the host system (dom0) - Hetzner's routers will dump IP packets if they come from an unknown MAC address. This means we cannot use Xen's bridged mode, but must switch to Xen's routed mode where the host system (dom0) acts as the gateway for the guests.
Fedora

Installing And Using OpenVZ On Fedora 9

Post date: July 20, 2008, 09:07 Category: Installing Views: 3006 Comments
Tutorial quote: In this HowTo I will describe how to prepare a Fedora 9 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.
CentOS

Installing And Using OpenVZ On CentOS 5.6

Post date: April 28, 2011, 10:04 Category: Installing Views: 2480 Comments
Tutorial quote: In this HowTo I will describe how to prepare a CentOS 5.6 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.
CentOS

Installing And Using OpenVZ On CentOS 6.0

Post date: July 31, 2011, 17:07 Category: Installing Views: 3878 Comments
Tutorial quote: In this HowTo I will describe how to prepare a CentOS 6.0 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.
Ubuntu

Installing And Using OpenVZ On Ubuntu 10.04

Post date: August 22, 2010, 11:08 Category: Installing Views: 3325 Comments
Tutorial quote: In this HowTo I will describe how to prepare an Ubuntu 10.04 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.
Fedora

Installing And Using OpenVZ On Fedora 14

Post date: December 16, 2010, 12:12 Category: Installing Views: 2089 Comments
Tutorial quote: In this HowTo I will describe how to prepare a Fedora 14 server for OpenVZ. With OpenVZ you can create multiple Virtual Private Servers (VPS) on the same hardware, similar to Xen and the Linux Vserver project. OpenVZ is the open-source branch of Virtuozzo, a commercial virtualization solution used by many providers that offer virtual servers. The OpenVZ kernel patch is licensed under the GPL license, and the user-level tools are under the QPL license.
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