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Old 04-24-2013, 10:27 AM   #1
manuce
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RHCSA Lab Setup ?


Hello,

All of my virtualization setup efforts have failed since my PC doesn't support hardware based virtualization

Any one setup a lab through LAN using two pcs to do the lab setup for RHCSA? I would love to hear from them.

Thanks,

Manuce
 
Old 04-25-2013, 01:23 AM   #2
stef80
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You can use Xen para-virtualization if your CPU doesn't support HW virtualization. Just use CentOS 5.9 as host with Xen kernel, or better yet OpenSuse. They have great Xen Dom0 support.
 
Old 04-25-2013, 04:11 AM   #3
manuce
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Thanks Stef for the pointer but does it run smoothly , I tried something similar on windows machine through virtual box (4GB ram with 100GB harddrive space,dual xeon 2.9ghz ) and experience was awful painfully slow, do you know some website where i can read through this stuff. Thanks
 
Old 04-25-2013, 04:35 AM   #4
stef80
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use "RHEL5 Virtualization guide" from Red Hat:
https://access.redhat.com/site/docum...tion-en-US.pdf
Para-virtualization with Xen should actually be fastest solution available regarding Linux VMs. Guests are CentOS6/RHEL6/SL6.

Last edited by stef80; 04-25-2013 at 04:37 AM.
 
Old 04-25-2013, 07:00 AM   #5
manuce
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thanks will study this humungous doc but will this be enuff to fullfill the RHCSA needs as its bit older version of RHEL5 m using CENTOS 6.4 at the moment anyways thanks for the help.
 
Old 04-25-2013, 08:25 AM   #6
stef80
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Just host is CentOS5/RHEL5. VMs should be RHEL6/CentOS6.
You use same tools to install and manage VMs on Xen and KVM (virt-manager, virsh). Not much is different.

Last edited by stef80; 04-25-2013 at 08:27 AM.
 
Old 04-25-2013, 08:59 AM   #7
mike_rhce
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Hi manuce,

Just be aware, on the RHCSA, there are several objectives related to "virtual machines" and "virtual guests". Since the exam uses RHEL 6, if you get related questions / problems, it will be based on RHEL 6 technologies, specifically KVM.

Yes, KVM does require hardware-based virtualization.
 
Old 04-25-2013, 09:38 AM   #8
manuce
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so mike what should I do ? buy a new machine ? or setup a lan with 2 PC so confused now
 
Old 04-25-2013, 10:04 PM   #9
mike_rhce
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Dear manuce,

If you don't have a system that can handle KVM, there's a risk that you'll get related questions on the RHCSA exam that you won't be able to answer, related to the following objectives:

Quote:
* Access a virtual machine's console.
* Start and stop virtual machines.
* Configure a physical machine to host virtual guests.
* Install Red Hat Enterprise Linux systems as virtual guests.
* Configure systems to launch virtual machines at boot.
Only you can know whether that risk is acceptable to you. (Stef80's point is essentially correct, the tools associated with Xen aren't radically different from KVM -- however, the kernel associated with Xen on RHEL 5 is --ah-- unique.)

Last edited by mike_rhce; 04-25-2013 at 10:07 PM.
 
Old 06-21-2013, 02:15 PM   #10
stef80
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Great news for everybody trying to setup lab on Xen (CentOS 6):
http://www.linux.com/news/enterprise...centos-at-last

Xen Dom0 is now officially part of CentOS 6.

Last edited by stef80; 06-21-2013 at 02:16 PM.
 
  


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