Linux-hosts
hosts文件
/etc/hosts
OS hosts (path) 使其生效，命令行执行 Windows (C:WindowsSystem32driversetchosts) >ipconfig /flushdns Linux (/etc/hosts) $sudo systemctl restart NetworkManager Mac (/etc/hosts) $sudo killall -HUP mDNSResponder iOS (/etc/hosts) Android (/etc/hosts)
手机直接重新启动一下即可
(稍老的linux版本)sudo rcnscd restart
DNS配置文件
/etc/resolv.conf
域名相关的优先级设定
/etc/nsswitch.conf
纯文本文件，公认的常用端口号及服务名称
/etc/services
协议列表
/etc/protocols
hosts文件下载
https://github.com/googlehosts/hosts
http://ppt.chnlib.com/other/hosts.html