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Old 02-27-2013, 02:24 PM   #1
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What RHEL do I need?


I am new at RHEL and I wanted to learn about it. What type of ISO do I need to get to learn the RHEL in the server level and later on programming. I wanted to start by installing it in the Oracle Virtualbox. Please help. Thanks.

Old 02-27-2013, 03:07 PM   #2
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You would need to pay to purchase RHEL. Try Centos and/or Scientific Linux. They are both RHEL clones and you can download them from free from their websites.
Centos -
Scientific Linux -

Hope this helps. Cheers.
Old 02-27-2013, 09:54 PM   #3
John VV
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For RHEL the current version RHEL 6.4
but it is NOT free you must buy a support contract
-- there are no real ways around this -- it is REQUIRED !


install one of the free rebuilds like
CentOS 6.3 or ScientificLinux 6.3

but be aware that Red Hat sacrifices NEW for STABLE

the code used is rather OLD ( patched with the CURRENT bug fixes and security updates) .
But the versions of programs are older .
Old 03-01-2013, 09:39 AM   #4
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Thanks for the reply. What about the ISO in the Red Hat Customer Portal like this one.


I downloaded this in the Red Hat Portal.
Old 03-01-2013, 09:48 AM   #5
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Contact Red Hat and they will give you a link to the correct download (that one you mention isn't the right one). Their customer support is standing by, waiting to answer your questions. You can get a 30 day free trial, but the functionality is very limited. Better to use CentOS for your learning purposes, I think, until you are ready to purchase a Red Hat subscription.
Old 03-01-2013, 10:22 AM   #6
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Also, based on the file name, it sounds like the iso is of RHEL 3.x which is very very old. It would be far more beneficial to use a current version - RHEL or clone.
Old 03-01-2013, 01:17 PM   #7
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If you expect to pay for Red Hat after a short test of its suitability, getting a 30 day free trial is a good idea.

But if you don't expect to pay soon, that 30-day trial is starting down a very wrong path. Get Centos instead.

That all assumes you asked the right question: What Linux to get in order to learn RHEL: Answer Centos.

If you should have asked what Linux to get in order to start learning Linux, the right answer is probably Ubuntu.

The only real differences between Centos and RHEL are license and support. My opinion on the choice between Centos and RHEL:

1) If you want to use RHEL in a production environment without learning it first, RHEL is a better choice than Centos.

2) If you already know RHEL well and want to use it in a production environment, Centos is slightly better. The cost of support is trivial. The advantage (to an experienced admin) of support is also trivial. The real difference appears when you want to cut over to a backup machine or make a big hardware upgrade or test a new approach on an extra machine before using that new approach in the live system. In all those cases, the inconvenience of working with licensed software ends up costing more than the license cost.

3) If you want to learn RHEL, Centos is better. Not just because it is free (zero $), but because it lets you experiment more without tripping over license issues.

If I were too good at convincing people of any of the above, I'd need to stop. Without enough people paying for RHEL, Centos wouldn't exist. But you will see many opinions different from mine, so I don't think I'm having a bad market impact.

Last edited by johnsfine; 03-01-2013 at 01:35 PM.
Old 03-01-2013, 01:30 PM   #8
John VV
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that is the ancient and unsupported RHEL3
red hat supported a MAJOR versions for 7 years( rhel3 came out in 2004 )it is unsupported , so it gives you an idea on just how old that is
RHEL3.9 came out in 2007 " Update 9, 2007-06-15 (kernel 2.4.21-50)

use the CURRENT !
RHEL 6.4
and buy the required license
and if you have to ask the $299 PER year is likely what you will need , or the $179/year

install the FREE CentOS 6.3
from the ARSC mirror
--- 64 bit
"CentOS-6.3-x86_64-bin-DVD1.iso "
--- 32 bit ---

Last edited by John VV; 03-01-2013 at 01:33 PM.


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