docker拉取镜像报错 环境虚拟机CentOS7安装好docker之后拉取emby镜像报错：[root@localhost ~]# docker pull yukinococo/emby_crack Using default tag: latest Error response from daemon: Head https://registry-1.docker.io/v2/yukinococo/emby_crack/manifests/latest: read tcp 112.118.3.11:55128->34.238.187.50:443: read: connection reset by peer [root@localhost ~]# vim /etc/resolv.conf解决方案：dig命令报错[root@localhost ~]# dig @114.114.114.114 registry-1.docker.io -bash: dig: command not found [root@localhost ~]# yum -y install bind-utils[root@localhost ~]# dig @114.114.114.114 registry-1.docker.io ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.5 <<>> @114.114.114.114 registry-1.docker.io ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50078 ;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;registry-1.docker.io. IN A ;; ANSWER SECTION: registry-1.docker.io. 33 IN A 35.169.249.115 registry-1.docker.io. 33 IN A 54.161.109.204 registry-1.docker.io. 33 IN A 3.224.96.239 registry-1.docker.io. 33 IN A 52.72.232.213 registry-1.docker.io. 33 IN A 52.55.168.20 registry-1.docker.io. 33 IN A 54.165.240.225 registry-1.docker.io. 33 IN A 34.197.211.151 registry-1.docker.io. 33 IN A 54.152.28.6 ;; Query time: 27 msec ;; SERVER: 114.114.114.114#53(114.114.114.114) ;; WHEN: Sat Jul 10 11:59:21 CST 2021 ;; MSG SIZE rcvd: 177 [root@localhost ~]# echo "54.165.240.225 registry-1.docker.io" >> /etc/hosts