Using default tag: latest Error response from daemon: Get"https://registry-1.docker.io/v2/": dial tcp: lookup registry-1.docker.io: Temporary failurein name resolution

step 1 配置静态ip, 操作方式参考链接

Ubuntu20.04配置静态ip

step2: 重启doker服务

sudo systemctl daemon-reloadsudo systemctl restart docker