hostname for querying for all fully qualified domain names (FQDN) associated with IP addresses of the host, using
hostname -A or
hostname --all-fqdns, some FQDNs are missing, or only newline is diplayed:
[root@rhel7u6-1 ~]# hostname --all-fqdns [root@rhel7u6-1 ~]#
- Red Hat Enterprise Linux 7
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