installing httpd...
--2016-07-01 08:44:24-- http://dl.wdlinux.cn/files/apache/httpd-2.4.18.tar.gz
Resolving dl.wdlinux.cn (dl.wdlinux.cn)... failed: Name or service not known.
wget: unable to resolve host address 'dl.wdlinux.cn'
httpd-2.4.18.tar.gz download failed
Killed