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  1. #1

    Considering Virtualizing My Dedi

    I have a dedicated server with an Intel i7 950 (4x3.06 GHz), 1.0 TB SATA II HDD, 8 GB DDR3 RAM, and 1 Gbps bandwidth. I was using it primarily for cPanel so I had a system-wide cPanel install. This interfered with other operations later on like gameservers, etc. I was planning to reimage my server from CentOS 5.6 64-bit with a system-wide cPanel installation to some linux OS running a virtualization kernel to create separate VMs for what I'm doing. I would like to have a virtual machine for cPanel, another for game/voice servers, another for VPN/etc. What do you recommend that I do to satisfy my needs? Thanks in advance!

  2. #2
    Join Date
    Aug 2005
    Durham, NC USA
    If you've already got CentOS installed, then you may want to consider just using Xen. All you'd have to do is install the requisite packages and use the Xen kernel.

    You could even leave the CPanel stuff on the dom0 and use the other VMs for your other needs.
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  3. #3
    Join Date
    Nov 2006
    Karachi, Pakistan
    Isn't running anything on dom0 considered a security risk?

  4. #4
    Join Date
    Jun 2002
    No worse than running a single physical server though.

  5. #5
    Your best bet is to build the system locally using xen or VMware and then upload your virtual machines to a host. VMware have a P2V (Physical to Virtual) tool that can create a virtual machine image from your existing server. You could use this as a starting point, rather than working on your production server.
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  6. #6
    Join Date
    Jan 2010
    Singapore, Woodlands
    Depends on budget, you can have VMware or KVM. With KVM, you can install almost any other o/s as well. There is alot of KVM guides out there. Of course the trusted and known ones would be Xen and VMware.

    Virtualization is definitely way to go so that you can gradually expand or disperse your resource usage for other purpose in the future. Having such a reasonable powered box, virtualization would do you more benefits and less hassles when comes deploying different things.

  7. #7
    Join Date
    May 2006
    NJ, USA
    Protip: if you're only using 1 disk, don't run VM's unless you have some rockin' backups.
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  8. #8
    Join Date
    Jun 2002
    Protip: RAID and backups.

  9. #9
    Join Date
    Mar 2009
    Aren't you paying full dedicated price for cPanel anyways even after you virtualise it?

  10. #10
    Join Date
    Feb 2007
    Tampa, FL
    Quote Originally Posted by quantumphysics View Post
    Aren't you paying full dedicated price for cPanel anyways even after you virtualise it?
    not at all, it's a reduced cost. xen is a good start but I'd go with esxi.
    Dave Parish

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