[Users] problem in adding hosts

hi everyone i have a problem in adding host to ovirt manager. infact i want to add ovirt manager as a hypervisor node (host). if you see my snapshot some errors will be bold: cannot validate hostname settings reason resolved host does not match any of the local addresses yum cannot queue package tuned; no packages available to install failed to execute package installation failure code 1 during ssh session root@internal os: centos6.4 ovirt engine : 3.2 server : hp dl580 g7 hostname: main-ovirt.nocrservices.org