[CentOS] Virtualisation

[Craig Gill]

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To add to Matt's comment VMWare ESX actually runs on it's own unique
vmware created kernel, not 'on-top' of RHEL or RHEL clone, they use a
'RHEL like' clone to display a console only, not drive the vmware
technology.
Just wanted to clear up the common misconception, not that its too
relevant to the conversation.

Craig


Matt Shields wrote:
> VMWare server is fine for testing VM's, but if you plan on using
> VMWare in a production environment you should upgrade to ESX or the
> other commercial products they offer like Infrastucture.  As mentioned
> previously ESX is it's own OS (custom RHEL), whereas VMWare Server
> (and player) run on top of your current OS and will not be tuned to
> run a lot of VM's.
> 
> Matt
> 
> On 3/2/07, William Warren <hescominsoon at emmanuelcomputerconsulting.com>
> wrote:
>> vmware server is free.
>>
>> Joshua Gimer wrote:
>> > 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 solution.
>> >
>> > Just my opinion, and my experience.
>> >
>> > --
>> > Thx
>> > Joshua Gimer
>> >
>> >
>> >
>> ------------------------------------------------------------------------
>> >
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>>
>> -- 
>> My "Foundation" verse:
>> Isa 54:17  No weapon that is formed against thee shall prosper; and
>> every tongue that shall rise against thee in judgment thou shalt
>> condemn. This is the heritage of the servants of the LORD, and their
>> righteousness is of me, saith the LORD.
>>
>> -- carpe ductum -- "Grab the tape"
>> CDTT (Certified Duct Tape Technician)
>>
>> Linux user #322099
>> Machines:
>> 206822
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>> http://counter.li.org/
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