停用 systemd-resolved 服务防止53端口占用

先停止该服务 sudo systemctl stop systemd-resolved

编辑 /etc/systemd/resolved.conf 文件中[Resolve] 部分为下面代码

[Resolve]
DNS=8.8.8.8
DNSStubListener=no

最后创建修改文件链接

sudo ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf