mod_unique_id: unable to gethostbyname

Yes, that message display when I try to start apache inside my jail box.  [Thu Jul 10 13:23:41 2008] [alert] mod_unique_id: unable to gethostbyname(”mailserver”) To resolve this problem, just edit /etc/hosts add record for ‘mailserver’ entry, like : ::1                     localhost localhost.my.domain 127.0.0.1               localhost localhost.my.domain 172.88.1.5              email.rasyid.com mailserver Restart apache and test it yourself.