Initially a fork of XenServer, XCP-ng made something some people thought would be impossible: gathering a large community around a new virtualization platform in those modern days. See the video.
Vates is the main company that supports the development of XCP-ng. They provide professional service to assure that businesses get the most out of the solution. All rights reserved. The Linux Foundation has registered trademarks and uses trademarks. Linux is a registered trademark of Linus Torvalds. Privacy Policy and Terms of Use. A number of components follow different licenses: more information can be found in the xen. All rights reserved. The Linux Foundation has registered trademarks and uses trademarks.
Xen Project is a trademark of The Linux Foundation. This website is the archived site of the Xen Project. For up-to-date content, please go to www. A few months ago, the XCP team decided to concentrate their efforts on fixing internal build system issues so that we could release new XCP versions more efficiently.
We will be recommending that XCP 1. Xen Cloud Platform 1. Now LVM is setup and initialized so that we can later create logical volumes for our virtual machines. More on LVM on Debian here. If you already have a volume setup that you would like to copy, LVM has a cool feature that allows you to create a CoW copy on write clone called a snapshot. This means that you can make an "instant" copy that will only store the changes compared to the original. There are a number of caveats to this that will be discussed in a yet unwritten article.
The most important thing to note is that the "size" of the snapshot is only the amount of space allocated to store changes.
So you can make the snapshot "size" a lot smaller than the source volume. Next we need to set up our system so that we can attach virtual machines to the external network. This is done by creating a virtual switch within dom0. The switch will take packets from the virtual machines and forward them on to the physical network so they can see the internet and other machines on your network.
The piece of software we use to do this is called the Linux bridge and its core components reside inside the Linux kernel.
In this case, the bridge acts as our virtual switch. The Debian kernel is compiled with the Linux bridging module so all we need to do is install the control utilities:. Management of the bridge is usually done using the brctl command. Open this file with the editor of your choice.
If you selected a minimal installation, the nano text editor should already be installed. Open the file:. If you get nano: command not found , install it with apt-get install nano. If you are using static addressing you probably know how to set that up. As well as adding the bridge stanza, be sure to change dhcp to manual in the iface eth0 inet manual line, so that IP Layer 3 is assigned to the bridge, not the interface.
Now restart networking for a remote machine, make sure you have a backup way to access the host if this fails :. If all is well, the bridge will be listed and your interface will appear in the interfaces column:. If the bridge isn't operating correctly, go back and check the edits to the interfaces file very carefully. Reboot before continuing. During the reboot, note the list of OS choices and check to see what the default start-up choice is.
If both the start-up default is fine, skip the next section and go directly to Basic Xen Project Commands. GRUB, the bootloader installed during installation, tells the computer which operating system to start and how. To use the hypervisor, Xen must be started before the operating system. So, if Xen was, say, the third OS choice, change the line to. Before we dive into creating some guest domains we will quickly cover some basic commands.
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