cat /etc/resolv.conf
可查看Ubuntu系统的DNS服务器设置cat /etc/resolv.conf
可查看Ubuntu系统的DNS服务器设置/etc/resolv.conf
,添加/修改nameserver
指向新DNS(如8.8.8.8),保存后执行`systemctl restart NetworkManagersudo /etc/init.d/dnsmasq restart
命令清空DNS缓存。sudo dscacheutil flushcache; sudo killall mDNSResponder
命令刷新缓存/etc/resolv.conf
,由nameserver
指令指定,若使用NetworkManager,则需通过nmcli
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