unable to find IPv4 address of "localhost localhost.localdomain"

unable to find IPv4 address of "localhost localhost.localdomain"

# vi /etc/hosts

127.0.0.1 뒷부분에 localhost localhost.localdomain

::1 뒷부분에 localhost localhost.localdomain

추가 후

:wq

/usr/local/apache/bin/apachectl restart

로그메세지

/usr/local/apache/log/error_log

unable to find IPv4 address of "localhost localhost.localdomain" <<이 호스트네임을 못찾겠다