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nammari asked
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Last Modified: 2012-05-07

I am new to vmware world! I have IBM Blade S, and have one of the blade servers with 24GB of Ram and 2* 2.5 Quad Core cpu.. I want to use virtualization for that server, so that I will have RedHat Enter 5 64bit and windows 32bit 2003 R2...
I downloaded the free version of vmware ESXI, and installed it on server, but in order to create virtual machine I had to install vSphere client, which prompt me for 53 days trial! (Isn't that free)!!??

My questions:
1- Is the ESXI free version of vmware?
2- How I can manage/create/use/remove Virtual machines from the server? Is the only way vsphere? is there anything free?
3- can I do anything from server console?
4- When I start the install the vmware virtual machine, it asked me for the number of CPU to use, and it seems it has to do with the number or licenses... What does that mean?
5- Can I increase/decrease the allocated ram/cpu/storage for each VM after creating it?

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ESXi is free, but vSphere is an add-on, and that isn't free. As mentioned above you don't need vSphere to manage VMware but you either need to learn the commands, or use a tool that installs to windows boxes.

You might want to check the redhat repositories, they may have their own virtualization tool, like XEN. CentOS I know has XEN in the repositories, and that is a clone of RH.
Hi nammari,

1.) In my opinion ESXi is free ... See the FAQ at http://www.vmware.com/products/esxi/uses.html

Why is VMware making ESXi free?

    VMware is making its standalone ESXi hypervisor available at no cost in order to help companies of all sizes experience the benefits of virtualization. Customers have shown tremendous interest in ESXi due to its innovative architecture, simple setup, and high performance. Allowing IT administrators to obtain VMware ESXi for free enables everyone to gain access to VMware's datacenter technology and prove its value in their own companies.

2.) The vSphere client is free also. You can get it after you installed your ESXi server by accessing its web interface under http://server_name_or_ip and simply downloading it. Chances are, that you must create a free vmware account in order to get a free license for the client, but it would be really silly, that vmware started in version 4 to take fees for the client. I'm using ESXi 3.5 and the client is definately free.

3.) No... There is a way to activate a busybox locally on the server, but this unsupported,
But there is a remote console client which can be used for configuring and scripting etc.

4.) you can choose how many cpus (or cores) the virtual machine can utilize.. this feature is called virtual smp. look at:


5.) Yes... as long as your guest systems supports it (number of cpus)... Windows OSes might want to reactivate if you change to many hardware related things.

Kind Regards,




Thanks for your answers...
As for #2... can you please provide more details on #2, what is the difference between VSphere, VCenter and Vmware server? Why should I use Microsoft Virtual Server while installing Vmware? My question was, how I can manage my Vmware virtual machines, what software should I use?

Another related question, if I have 1TB of storage, and assign 800GB to a Redhat virtual machine, then I decided to increase that after the OS been installed, what will happen? does new added space appear as unmounted space?
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