Registered content host appears with a different hostname in Red Hat Satellite WebUI.

Solution Verified - Updated -

Environment

  • Red Hat Satellite 6.x

Issue

  • Registered content host appears with a different hostname in Red Hat Satellite 6 WebUI under the following path.

    Red Hat Satellite WebUI → Hosts → Content Hosts

Resolution

  • Check in /etc/rhsm/facts/katello.facts, network.hostname-override should be mentioned as hostname -f of the host.

  • Ensure that the hostname entry is correct in /etc/hosts file.

    # hostname -f
# cat /etc/hosts

  • Login to Satellite web UI >> Administer >> Settings >> Content>> search for Subscription manager and then edit Subscription manager name registration fact and set value with network.hostname-override

Root Cause

  • The registered content host has incorrect hostname entry in /etc/hosts file.

Diagnostic Steps

  • The hostname entry in /etc/hosts file and the output of following nslookup command is different

    # nslookup `hostname -i`
  x.x.168.192.in-addr.arpa  name = client1.example.com

# vi /etc/hosts
   192.168.x.x      client2.example.com client2

    Note: The above two entries should be same.

  • The hostname -f command output should match with the hostname present in the katello.facts file

    # cat /etc/rhsm/facts/katello.facts
{"network.hostname-override":"client2.example.com"}
# hostname -f 
client1.example.com

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