[Gentoo]apache apache2: apr_sockaddr_info_get() failed for

PCsNB bin # /etc/init.d/apache2 restart
 * Caching service dependencies ...                                       [ ok ]
 * Stopping apache2 ...
apache2: apr_sockaddr_info_get() failed for PCsNB
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
httpd (no pid file) not running                                           [ ok ]
 * Starting apache2 ...
apache2: apr_sockaddr_info_get() failed for PCsNB
apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName

vi /etc/hosts

# IPv4 and IPv6 localhost aliases
127.0.0.1       localhost PCsNB
::1             localhost


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