We want to install Oracle E-Business Suite on Red Hat Linux 6.2. To be able to use RHN Repository to install packages, we tried to register our system but when we issued “rhn_register” we got the following error:

After a short search on internet, I found some articles which says we need to fix the date/time of the server. Unfortunately it didn’t work for me, the date/time was already uptodate but it was still giving certificate error. I thought the certification might be expired, so I just modified the /etc/sysconfig/rhn/up2date file to use “http” protocol instead of “https”.

After this modification, rhn_regiter worked fine so we are able to install packages using YUM from RHN Repository.

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