I want to install OpenVZ on my server(fedora10), and then assign a block of ips to each of the vps. I have a moderate amount of linux knowlege, how much effort is involved to setup what I just described and maintain it? all suggestions are welcome.

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I don't have a direct answer to your question, as I've only ever used OpenVZ as a user, not as an admistrator. That experience was horrible, so I'm a bit tainted to the OpenVZ camp. Anyway, just curious - why go with a "fake" virtualization tech like OpenVZ when there are many other great options out there. ESXi is free, or (if you want to stay open-source), Xen. – ErikA Dec 9 '09 at 3:42
I simply want a free and simple solution, which is the most popular choice? – user12145 Dec 9 '09 at 4:49
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Somewhere between an hour and the rest of your life.

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Starting from scratch with a moderate amount of Linux experience, you should be up and running in two to three days, a week tops. Figuring out how you're going to maintain it, back everything up, move containers if necessary, etc...well, you'll want to devote a few weeks. That's all if you want to run pre-created OS templates...if you want to run something for which there is no template available, you'll be spending another week or two figuring all that out.

I ran a few Linux clients in OpenVZ for a year or two...until very recently. It worked ok and was very fast. If I was starting over now, I would probably look at VMWare ESXi and the like.

I might use OpenVZ again if I ever have the need to run a large number of containers on a single piece of hardware (web hosting or application containment?), or if I was uber-concerned about performance. Otherwise, I'm sticking to standard virtualization because it's considerably more flexible (e.g. different operating systems on a single host; easier to install an arbitrary OS; etc) , and the performance overhead isn't awful.

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