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Red Hat.... Any Pointers?

post #1 of 14
Thread Starter 
I just got the green light to design a calculation server/cluster running Red Hat Enterprise. I am well-experienced in Windows, AIX, and Solaris with only off-hand experience with Linux.

Does anyone have any pointers to the quirks of Red Hat?
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post #2 of 14
quirks?
what you need to know

Red Hat Enterprise is not to different from fedra
well fedra is just a free version of red hat

I have used red hat linux *not Enterprise* and fedra before



EDIT:I have no knowledge of "calculation server/cluster"
just linux
Edited by 3dfxvoodoo - 2/18/11 at 7:52pm
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post #3 of 14
Thread Starter 
Quote:
Originally Posted by 3dfxvoodoo View Post
quirks?
what you need to know

Red Hat Enterprise is not to different from fedra

I used to use red hat and fedra
A website that provides an overview or differences against other OSes.

Actually, I can run Fedora in a VM for practice...

I need to set up an architecture to run complex math problems. Our 7 year old 16-core SUN box takes 80+hrs to run.... they want that down to less. Mathematicians and really smart people are writing models in C++. My framework should wrap this code. One point I need to know is how the OS implements multithreading.
Edited by DuckieHo - 2/18/11 at 7:51pm
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post #4 of 14
Well I'm not totally certain fedora is the same as redhat. I do know however that it is the same as CentOS. The main thing to remember is to use "yum" and not "apt-get". As for quirks none that I can think of. Are you running the latest version?

Edit

here is a good article

http://www.differencebetween.net/tec...u-and-red-hat/
    
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post #5 of 14
which version of rhel you planning on purchasing?

i wouldn't recomend fedora for testing, as it is more "cutting"/"bleeding" edge than rhel. CentOS is "RHEL" rebranded, i would suggest grabbing that and running it vs fedora.
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post #6 of 14
Thread Starter 
Quote:
Originally Posted by transhour View Post
which version of rhel you planning on purchasing?

i wouldn't recomend fedora for testing, as it is more "cutting"/"bleeding" edge than rhel. CentOS is "RHEL" rebranded, i would suggest grabbing that and running it vs fedora.
Whatever version that is enterprise-approved.

I want to get a headstart as this is a resume-builder and good for promotions.


Any recommend VM to run in Windows?
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post #7 of 14
centos latest version is 5 or 5.5.

as for RHEL, you have to call them or go to their website for their latest version information. i know CentOS is a version behind RHEL (CentOS 6.0) will bring it up to par with RHEL.

for virtual machine, vmware is a good start, Virtual Box isn't to shabby (i actually prefer it over vmware.)
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post #8 of 14
honestly, there is no reason to bother with RHEL unless you need the the support you pay for... centos is basically the same os just with the copyright stuff taken out, and it has forums and stuff still and aside from that, you get fedora for a more desktop aimed version that uses the same base but has its own build of packages and such
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post #9 of 14
Quote:
Originally Posted by EntTheGod View Post
honestly, there is no reason to bother with RHEL unless you need the the support you pay for... centos is basically the same os just with the copyright stuff taken out, and it has forums and stuff still and aside from that, you get fedora for a more desktop aimed version that uses the same base but has its own build of packages and such
RHEL will get you much better support, and the quicker update path compared to CentOS. Fedora will be the same environment, but with much, much newer packages. They all use yum and .rpms. I'd say fiddle around with CentOS since it's the closer of the two free RH distros to RHEL.

I'm not sure what to tell you about the multithreading implementation.
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post #10 of 14
if you are wondering about scalability, the linux kernel scales quite well.

the standard "server" smp configuration for the linux kernel is 32.

the problem that which plagues windows, also plagues linux. programs run in a single process, only using one core or one cpu, unless nice is changed around, so to take full advantage of smp's, the program has to have multi-threading capabilities.
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