Ubuntu 22设置DNS解析（解决resolve.conf被覆盖问题）

文章链接：https://blog.csdn.net/lsc_1893/article/details/118696693

1. 修改  /etc/systemd/resolved.conf，增加下面内容：

[Resolve]

 DNS=8.8.8.8 1.1.1.1

2. 重启域名解析服务：

systemctl restart systemd-resolved

systemctl enable systemd-resolved

3. 备份当前的/etc/resolve.conf，并重新设置/run/systemd/resolve/resolv.conf  到/etc/resolve.conf的软链接

mv    /etc/resolv.conf    /etc/resolv.conf.bak

 ln  -s   /run/systemd/resolve/resolv.conf    /etc/