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VMware, how does it work?

post #1 of 11
Thread Starter 
Could someone please explain to me how VMware works? I know you can create virtual networks, machines with it. But I'm having trouble conceptually understanding exactly what purpose that serves and how it works. I'm not looking for someone to do my research for me, just explain the basic concept of it that I can't quite grasp.
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post #2 of 11
If you don't have a specific use for a VM, generally they are used to try out and get a feel for a different OS or program, without having to install it on the main OS of your pc. Personally I use VMware to try out and experiment with different Linux distros without having to partition off a part of my hdd and having to dual boot. Just mount the Linux ISO and start up the machine with virtual ram and space on my hard drive.
post #3 of 11
VMs are usually used like morgofborg stated. On higher end machines and servers they are used to run multiple "machines" on one piece of hardware in order to fully utilize the available hardware. An 8 core machine with 32 GB of ram would be completely wasted running the entire thing as a file server. But load up 4 different VMs, each with 2 cores and 8 GB of ram and you could run a webserver on one, a minecraft server on the 2nd, a file server(ftp,smb,etc) on the 3rd and a Source based gameserver on the 4th - All on one physical machine.
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post #4 of 11
Thread Starter 
That's awesome! The possibilities! lol. Or I could run some sort of server on my own rig, without that getting in the way of everything else?

I think I'll try that with linux, I've messed with it a little bit but hated having to devote a partition and disk space on my meager 300Gb Raid Stripe to something I didn't spend that much time with.

Could it provide improved security?
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post #5 of 11
Basically you can run another OS within your OS. VMWare is like a player, you can play another OS within itself, for example within Windows you can load another Windows installation so if you have two monitors it could actually seem like you have two different systems. As for uses it would be entirely up to you. Some people use it to test other operating system, some people use it when they play with programs/viruses etc.. lol it can play some games but limited due to how drivers work but I have played games on both screens before tongue.gif I have used it also to test/install different vpn settings/programs that would sometimes create clutter in my main system so for me its like a workbench so I can freely do what I want and if it messes it up I can always reinstall it. You could (like previously mentioned) use it for server stuff and run it in the background. So its kinda like how people with MacOS use an emulator to run Windows, but this one is much easier as its simply just installing an OS within your OS biggrin.gif
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post #6 of 11
Quote:
Originally Posted by senslessenigma View Post

That's awesome! The possibilities! lol. Or I could run some sort of server on my own rig, without that getting in the way of everything else?
I think I'll try that with linux, I've messed with it a little bit but hated having to devote a partition and disk space on my meager 300Gb Raid Stripe to something I didn't spend that much time with.
Could it provide improved security?

Yea, with VMware, you setup a dynamic virtual drive, so it will only use the the space it needs.

As far as improved security, I'm not sure, as I have always just set vmware to use the same ethernet connection my desktop is using, but there probably are options to make the virtual machines connection more secure if you wanted.

But yea, VM's are great for just fooling around. I remember for a little bit, I was running VM's of Win 95, 98, XP, and Vista, and have windows 7 as my actual OS. I had like a little interactive Windows museum lol.
post #7 of 11
Thread Starter 
I'm going to have to try this now, that's pretty cool. Windows 95 was awesome, lol windows museum. I have a feeling when I do this and show it to my wife she won't think it's nearly as cool as I do.

So can you actually install software on the VM? For example if I wanted to run something like SimTower, remember that game? On a windows 95 or 98 VM could I just mount the OS, run it and install the application in it?
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post #8 of 11
Quote:
Originally Posted by senslessenigma View Post

I'm going to have to try this now, that's pretty cool. Windows 95 was awesome, lol windows museum. I have a feeling when I do this and show it to my wife she won't think it's nearly as cool as I do.
So can you actually install software on the VM? For example if I wanted to run something like SimTower, remember that game? On a windows 95 or 98 VM could I just mount the OS, run it and install the application in it?

I would say yes but if it also depends on how it utilizes the graphics drivers. I was not able to install graphics drivers on there per say but it still used my GPU and the game I was playing on it used the valve engine. They may have improved more GPU utilization but it is limited so you can't really hope that it'll run a game like BF3 or something tongue.gif
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post #9 of 11
Thread Starter 
Haha right, I didn't figure something like that would work.
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post #10 of 11
A lot of corporations are moving to VM systems. They can have a blade server with multiple units each running multiple VMs. This cuts down on hardware costs by a long shot. Plus you're multi-tasking servers that would normally sit idle.
    
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