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Old 08-11-2008, 10:25 PM   #1
damunzy
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Registered: Jan 2004
Location: Central NJ, USA
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RHEL 5.2 yum update with CentOS 5.2 repositories- possible?


I have Sun VirtualBox installed on my XP system and have a few different guest OSes I am trying out. I have CentOS 5.2 installed and updated it with no problem with yum (and the gui for it). I got a trial of Red Hat Enterprise Linux (RHEL) 5.2 knowing that I wouldn't be able to update it through the Red Hat Network (RHN) but I wanted to see how much difference there was between RHEL and CentOS (I want to get my RHCE some time in the future).

I tried to update RHEL 5.2 by just downloading the individual RPMs so that I could install the Guest addons for VirtualBox- it needs gcc, kernel-devel, and kernel-headers I believe in order to install. Trying the manual RPM route was a mess as all the dependencies started yelling at me so I figure I would try adding the CentOS yum repository to my RHEL box. I emailed myself the /etc/yum.repos.d/CentOS-Base.repo and dropped it into the RHEL's /etc/yum.repos.d/ directory. When I try to run the update I get the error:
Quote:
Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again.
I am pretty sure the problem is that in the CentOS repo it has variables for certain parts of the update directory, example:
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os

But my CentOS repo on the RHEL has this now:
mirrorlist=http://mirrorlist.centos.org/?release=5Server@arch=i386&repo=os

I guess what I need to know is what static variable, er constant, should I use for $releasever and basearch?

Plus, if I do put in the "correct" releasever and basearch will the updates work? AFAIK CentOS 5.2 and RHEL 5.2 are supposed to be binary compatible, right?

Thanks a million!
 
Old 08-11-2008, 10:30 PM   #2
billymayday
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Registered: Mar 2006
Location: Sydney, Australia
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It should work, but will no longer be true redhat, so you may as well start with CentOS.
 
Old 08-11-2008, 10:35 PM   #3
damunzy
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Registered: Jan 2004
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I am not so worried about it being a "true redhat" (although I agree that this will make it less "true"). This is just an exercise that I am probably spending too much time on just because I want to figure it out.

Wow, just noticed that I registered way back in Jan 2004 and this is my third post!

Last edited by damunzy; 08-11-2008 at 10:36 PM.
 
Old 08-11-2008, 10:38 PM   #4
billymayday
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I've seen it recommended many times for people who don't have subscriptions, and can't see why it wouldn't work, but haven't done it myself.
 
Old 08-12-2008, 02:30 AM   #5
karthikeyan.s
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Registered: Aug 2008
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once again you will try to /etc/yum.repos.d/directory. via http or ftp as u like client side or server side.
surely it will updated
 
  


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