Virtualization

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Virtualization With Xen On CentOS 6.3 (x86_64) (Paravirtualization & Hardware Virtualization)

Virtualization With Xen On CentOS 6.3 (x86_64) (Paravirtualization & Hardware Virtualization)

This tutorial provides step-by-step instructions on how to install Xen (version 4.1.x) on a CentOS 6.3 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other.

Managing A Headless VirtualBox Installation With phpvirtualbox On nginx (Ubuntu 12.04)

Managing A Headless VirtualBox Installation With phpvirtualbox On nginx (Ubuntu 12.04)

phpvirtualbox is a web-based VirtualBox front-end written in PHP that allows you to access and control remote VirtualBox instances. It tries to resemble the VirtualBox GUI as much as possible to make work with it as easy as possible. It is a nice replacement for the VirtualBox GUI if you run VirtualBox in headless servers. This tutorial explains how to install phpvirtualbox with nginx on an Ubuntu 12.04 server to manage a locally installed, headless VirtualBox.

Managing A Headless VirtualBox Installation With phpvirtualbox (Fedora 17)

Managing A Headless VirtualBox Installation With phpvirtualbox (Fedora 17)

phpvirtualbox is a web-based VirtualBox front-end written in PHP that allows you to access and control remote VirtualBox instances. It tries to resemble the VirtualBox GUI as much as possible to make work with it as easy as possible. It is a nice replacement for the VirtualBox GUI if you run VirtualBox on headless servers. This tutorial explains how to install phpvirtualbox on a Fedora 17 server to manage a locally installed, headless VirtualBox.

VBoxHeadless - Running Virtual Machines With VirtualBox 4.1 On A Headless Fedora 17 Server

VBoxHeadless - Running Virtual Machines With VirtualBox 4.1 On A Headless Fedora 17 Server

This guide explains how you can run virtual machines with VirtualBox 4.1 on a headless Fedora 17 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.

Installing And Using OpenVZ On CentOS 6.3

Installing And Using OpenVZ On CentOS 6.3

In this HowTo I will describe how to prepare a CentOS 6.3 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.

Managing A Headless VirtualBox Installation With phpvirtualbox (OpenSUSE 12.1)

Managing A Headless VirtualBox Installation With phpvirtualbox (OpenSUSE 12.1)

phpvirtualbox is a web-based VirtualBox front-end written in PHP that allows you to access and control remote VirtualBox instances. It tries to resemble the VirtualBox GUI as much as possible to make work with it as easy as possible. It is a nice replacement for the VirtualBox GUI if you run VirtualBox on headless servers. This tutorial explains how to install phpvirtualbox on an OpenSUSE 12.1 server to manage a locally installed, headless VirtualBox.

VirtualBox: Creating Backups & Clones Of Running Virtual Machines (No Downtime) With LVM Snapshots

VirtualBox: Creating Backups & Clones Of Running Virtual Machines (No Downtime) With LVM Snapshots

If you use LVM volumes for your VirtualBox VMs, you can create backups and clones of a running VM without shutting it down. This tutorial shows just that: using LVM snapshots to create backups and clones of running VirtualBox VMs without downtime.

Using RAW Devices In VirtualBox VMs

Using RAW Devices In VirtualBox VMs

Usually, VirtualBox creates its virtual machines in disk images (.vdi, .vmdk, etc.). This tutorial explains how you can use RAW devices from the host (partitions, LVM volumes, etc.) and create a VirtualBox VM in it. I will also explain how to mount a RAW device in an existing VM.

OpenVZ: Mounting Host Devices/Partitions/Directories In A Container With Bind Mounts (Debian/Ubuntu)

OpenVZ: Mounting Host Devices/Partitions/Directories In A Container With Bind Mounts (Debian/Ubuntu)

Sometimes you are in a situation where you need to mount a hard drive, partiiton or directory from the OpenVZ host inside an OpenVZ container - for example, you add a fast SSD to the host and want to put your container's MySQL databases on it to make MySQL faster. This tutorial explains how you can mount host devices/partitions/directories in an OpenVZ container with bind mounts.

VBoxHeadless - Running Virtual Machines With VirtualBox 4.1 On A Headless OpenSUSE 12.1 Server

VBoxHeadless - Running Virtual Machines With VirtualBox 4.1 On A Headless OpenSUSE 12.1 Server

This guide explains how you can run virtual machines with VirtualBox 4.1 on a headless OpenSUSE 12.1 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.

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