Puppet Dashboard Error – getaddrinfo: Name or service not known (SocketError)

While configuring the Puppet Dashboard for your Puppet Instance, you might get this kind of error /usr/lib/ruby/1.8/webrick/utils.rb:63:in `getaddrinfo’: getaddrinfo: Name or service not known (SocketError) [2015-05-17 19:48:38] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] /usr/lib/ruby/1.8/webrick/utils.rb:63:in `getaddrinfo’: getaddrinfo: Name or service not known (SocketError) from /usr/lib/ruby/1.8/webrick/utils.rb:63:in `create_listeners’ from /usr/lib/ruby/1.8/webrick/server.rb:75:in `listen’ from /usr/lib/ruby/1.8/webrick/server.rb:63:in `initialize’ from /usr/lib/ruby/1.8/webrick/httpserver.rb:24:in `initialize’ from /usr/share/puppet-dashboard/script/../config/../vendor/gems/rack-1.1.6/lib/rack/handler/webrick.rb:10:in …

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