Looks like you may get good answer from Ambari mailing list. http://ambari.apache.org/mail-lists.html
On Thu, Feb 12, 2015 at 9:24 PM, Adaryl "Bob" Wakefield, MBA < adaryl.wakefi...@hotmail.com> wrote: > I’m trying to set up a Hadoop cluster but Ambari is giving me issues. > At the screen where it ask me to confirm host, I get: > 1. Warning that I’m not inputting a fully qualified domain name. > 2. The host that the Ambari instance is actually sitting on is not even > registering. > > When run hostname –fqdn I get just the name of my machine. I put that into > the screen asking for FQDNs and I just get a warning that it’s not a FQDN. > What exactly is Ambari expecting? > B. >
