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Old 03-26-2009, 02:33 AM   #1
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Running linux(CentOS) as virtual server on Windows 2003 server?

Hi all,

Can anybody tell how to install CentOS as a virtual server on windows 2003 server?

Thanks in advance..
Old 03-26-2009, 02:47 AM   #2
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The problem you have here is that Windows 2003, as far as I know, has no built-in virtualization-solution, like Hyper-V in Windows 2008.
Thus you'll have to pick one of the available solutions, like VMWare, VirtualBox or VirtualPC.

I haven't played with VMWare yet, it's supposed to be quite good, but the other two aim have quite an overhead as they use full virtualization.
If you can live with this overhead I'd suggest VirtualBox, as the latest VirtualPC seems to be the 2007-version.

In general I think Windows is not the system for server-virtualization. Hyper-V may be a step in the right direction, but I can only guess there.
Old 03-26-2009, 03:39 AM   #3
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Thanks reptiler.

Which is best?

Installing linux as a virtual server in Windows 2003 server
Installing Windows 2003 server as a virtual server in Linux.

I heard that installing linux as a virtual server in Windows 2003 server is quite difficult will face problems like network etc.

Your thoughts..
Old 03-26-2009, 04:08 AM   #4
Registered: Mar 2009
Location: Hong Kong
Distribution: Fedora
Posts: 184

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I'd prefer Linux as host and Windows as guest over the way you had in mind.
Simply because I'm used to doing virtualization in Linux, I have several VMs here at home and nearly every day I work in at least one of those to test different stuff.

The problem stays the same though, especially because Windows has no option of booting in text-mode only, you'll have a certain overhead.

I just fired up my Windows 2000 VM and when it's just idling around on the login-screen it uses around 9% of one core of my AMD64 X2 4000.
On login it jumps up to around 35% and falls back to 9% after that.
Installing Windows-updates spiked up to 57%.
Copying a 120MB file (Windows 2000 Service Pack 4) didn't change anything, it kept running at around 9%.

Also I'd like to note that this VM has one virtual CPU (thus only works on one of my two cores) and 1GB of RAM assigned. But at the same time I'm running another VM on both cores (with two virtual CPUs), another GB of RAM (RAM is not an issue here though) which is compiling it's ass off.
Thus numbers may vary if my host-system wouldn't be running that other VM.


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