On Mon, Jul 02, 2012 at 05:54:46PM +0400, Vladimir Yakovlev wrote: > I tried different configurations, the latest follows: > [root at host1 ~]# cat /etc/hosts > 127.0.0.1 localhost localhost.localdomain localhost4 > localhost4.localdomain4 > 127.0.0.1 host1 host1.fqdn > 192.168.1.193 host2 host2.fqdn > [root at host2 ~]# cat /etc/hosts > 127.0.0.1 localhost localhost.localdomain localhost4 > localhost4.localdomain4 > 127.0.0.1 host2 host2.fqdn > 192.168.1.192 host1 host1.fqdn Be consistent. Both machines should have: 127.0.0.1 localhost localhost.localdomain 192.168.1.192 host1.fqdn host1 192.168.1.193 host2.fqdn host2 On host1 you should have "host1.fqdn" in /etc/hostname, and the command "hostname" should show it. (Ditto for host2, but with "host2.fqdn" of course)