关闭http开机启动
sudo launchctl unload -w /System/Library/LaunchDaemons/org.apache.httpd.plist
开机启动
sudo launchctl load -w /System/Library/LaunchDaemons/org.apache.httpd.plist
Mac OS X取消Apache(httpd)开机启动
原文：http://www.cnblogs.com/whlives/p/7455750.html
