今天去更新komari部署脚本，发现粘过去没反应
测试一下github,发现这机器dns炸了
现在让我纳闷的是，resolv.conf文件凭空消失了
为什么呢？

root@ip-172-26-4-109:/home/admin# nslookup github.com;; communications error to ::1#53: connection refused;; communications error to ::1#53: connection refused;; communications error to ::1#53: connection refused;; communications error to 127.0.0.1#53: connection refused;; no servers could be reachedroot@ip-172-26-4-109:/home/admin# ping github.comping: github.com: Temporary failure in name resolutionroot@ip-172-26-4-109:/home/admin# sudo systemctl status systemd-resolvedUnit systemd-resolved.service could not be found.