There seems to be a problem with your networking setup. Does this help:
https://superuser.com/questions/879731/osx-ssh-could-not-resolve-hostname-nodename-nor-servname-provided-or-not-kno -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
