Date: Tuesday, February 23, 2016 11:37:53 -0500 From: Juan De Mola molaxp@aol.com
The printing problem sounds like a configuration issue. Without knowing more, it seems likely DNS (or more generally, hostname lookup) related.
I use IPs not hostnames.
I would spend some time debugging this issue. There is nothing inherent in centos-6 that would cause this.