我的服务器上有未知错误。我安装了LAMP，但我无法连接。我收到错误DOMAIN’s server DNS address could not be found.
这是我的error.log
[Sun Apr 02 15:54:46.846874 2017] [mpm_prefork:notice] [pid 16260] AH00169: caught SIGTERM, shutting down
[Sun Apr 02 15:54:47.894232 2017] [mpm_prefork:notice] [pid 26586] AH00163: Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.21 configured -- resuming normal operations
[Sun Apr 02 15:54:47.895090 2017] [core:notice] [pid 26586] AH00094: Command line: '/usr/sbin/apache2'
有没有办法解决它？