[CentOS] Virtualisation

Fri Mar 2 15:31:33 UTC 2007
Joshua Gimer <jgimer at gmail.com>

Just some info:

I think that the deciding factor of which way to go depends on how much
money you are willing to spend and the amount of time that you want to
invest in setting this system up and maintaining it. I personally have some
of all three of the previously mentioned vitalization technologies running
on our network (Solaris Zones, Parallels, XEN, and VMWare), and each take
different amount of these resources to setup and maintain.

Solaris Zones are probably one of the coolest solutions. It allows you to
allocate system resources across zones without having to reinstall anything
or duplicate configs. Setting up zones is not the hardest thing to do, but
one of the most robust; if you are one of the types of people that has to
know every angle of something before using it, this is probably not the way
to go.

XEN is not that hard to setup, but you are limited on the types of OS's that
you can install. There has been a lot of information floating around about
XEN lately, and if you are looking for more information about setting it up,
I would look at the last two SysAdmin issues on Security and Open Source (I
think that there was about 2 or 3 articles).

VMWare is expensive if you are looking for and ESX type solution. If you
were thinking about setting up workstation, good luck getting those things
to come up at boot. :)

Parallels is just like VMWare but for Mac, and it does not sound like you
are a Mac user, or have any hardware laying around to even consider this

Just my opinion, and my experience.

Joshua Gimer
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