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Easy Xen Using Official XenExpress To Virtualize Your Server

howtoforge.com — This guide to use the Xen Express CD from the official company behind Xen. Gets you up and running fast. Only limited to 4GB RAM.

Who dugg this? Made popular Jan 17, 2007

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  • spect3r, on 10/12/2007, -1/+8Gordon Freeman?? Nooooo!!!!
  • djcronos, on 10/12/2007, -0/+3I've heard a lot of talk about Xen, and since we're planning on building new servers and using virtualization technology, we've been looking into this a lot lately. How does Xen perform up to VMWare, and how man VM's could you have on one machine, say a dual core amd 64 w/4gb ram? All would be running web servers, with mysql, named, exim, and apache/php.

    Thanks.
  • schestowitz, on 10/12/2007, -0/+3Red Hat is/has been working on a nice GUI front-end, so it's just a matter of time.

    ( Xen GUI In Fedora Core 6 )

    http://www.webpronews.com/expertarticles/expertarticles/wpn-62-20061129XenGUIinFedoraCore6.html
  • technerdy, on 10/12/2007, -0/+2If anyone is interested, I found the link to the built-in Fedora Core 6 Xen GUI mentioned earlier :
    http://virt-manager.et.redhat.com/index.html

  • TheExtendedName, on 10/12/2007, -0/+2FTA
    "XenExpress can run up to 4 virtual machines at the same time with a max. total amount of 4GB RAM. "
  • technerdy, on 10/12/2007, -0/+2Xen is a pain for me to setup on some distros, the Xen Express software and this guide makes it much easier to get up and running.
  • djcronos, on 10/12/2007, -0/+2What about performance compared to VMWare?
  • bcmatteagles, on 10/12/2007, -0/+1I found this article to be pretty amusing, i'm sure there's more to come. SLES 10 has Xen built in, and supported through YaST as well as the agreement with microsoft to ensure that MS servers paravirtualized on Suse or vice versa will perform exceptionally well.

    though somewhat dated, here's the article that i found informative - im sure there's plenty more out there that offer more info.
    http://tim.oreilly.com/pub/wlg/6522
  • Terc, on 10/12/2007, -0/+1THANK YOU!
    I just started work on virtualizing my company servers for use in disaster recovery... Had some issues with getting Xen up and running. This couldn't have come at a better time.
  • inactive, on 10/12/2007, -0/+1for a minute there I was thinking the vortigaunts had invaded
  • tadorna, on 10/12/2007, -2/+2Xen is faster then VMWare. But you need a processor with Intels or AMD's virtualization technology to run other operating systems as Linux.

    XenExpress can be updated to XenServer which does not have the 4GB RAM limit and the 4 Virtual machines limit. But XenServer is not available for free.
  • technerdy, on 10/12/2007, -0/+0You can run Asterisk in Xen. Theres some steps to setup a domain to work, it depends on your kernel and OS. google around for 'running asterisk in xen'.
    I'm not sure about MythTV. Googling around seems to show xen on mythtv setups, but not sure if they have MythTV running under xen.
  • spidoman, on 10/12/2007, -2/+2when is the Xenu express cd coming out?

    OMG Tom cruise virus!

    It drives you insane, but then you can't take medication for it.
  • technerdy, on 10/12/2007, -0/+0Xen can run any OS that is supported. Most of the time you end up loading the host OS.
    So you basically run Fedora / Suse / whatever, and then load Xen (which is a pain) and then load copies of Fedora / Suse in Xen (called domains).
    In those copies you can install / run whatever you like, as if it was a real OS. There are a few exceptions though, things that use hardware like smartctl or lmsensors, or any software that require specific things in terms of the kernel probably wont run unless it supports a Xen kernel.
  • koan, on 10/12/2007, -0/+0Does Xen allow access to PCI cards? Do any of the virtualisation options out there allow this?

    For example, I have server that has Asterisk (needs access to FXO pci cards) and Mythtv (needs access to PCI tuner cards) and it would be great if I could partition these (there are several other functions that would serve from being seperate on this server) but I don't see how I can give them the hardware they need.

    koan
  • meshman, on 10/12/2007, -6/+1That looks like it was written in 1981.

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