YUM: “UNABLE TO READ CONSUMER IDENTITY”

Did you just install a new RHEL 6 system? If so, you might have used the familiar rhn_* commands to register the system. Unfortunately, those don’t work in RHEL 6.3. Instead, they result in a broken setup where Yum always barfs with the above error.

RedHat’s knowledgebase article claims that it’s possible to set up traditional RHN on a 6.x system, but their instructions don’t seem to work.

Instead, first you’ll need to get rid of the old ‘RHN Classic’:

rm -rf /etc/sysconfig/rhn_systemid
rm -rf /var/cache/yum/*
yum clean all
           

Now delete the system from the classic RHN console on the web, to free up the entitlement. After that, you can register for the new improved RHN, using a different set of commands:

subscription-manager register
subscription-manager subscribe --auto