docker 拉去镜像资源失败
如下所示：
解决
安装dig工具
yum install bind-utils
查找可用IP
[root@localhost docker]# dig @114.114.114.114 registry-1.docker.io
; <<>> DiG 9.11.4-P2-RedHat-9.11.4-16.P2.el7_8.6 <<>> @114.114.114.114 registry-1.docker.io
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48054
;; 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. 36 IN A 18.232.227.119
registry-1.docker.io. 36 IN A 3.218.162.19
registry-1.docker.io. 36 IN A 23.22.155.84
registry-1.docker.io. 36 IN A 3.94.35.164
registry-1.docker.io. 36 IN A 18.213.137.78
registry-1.docker.io. 36 IN A 3.224.175.179
registry-1.docker.io. 36 IN A 3.223.220.229
registry-1.docker.io. 36 IN A 3.211.199.249
;; Query time: 15 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Sat Jun 20 06:13:21 EDT 2020
;; MSG SIZE rcvd: 177
配置hosts文件
vim /etc/hosts
//编辑结果最终如下所示
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
18.232.227.119 registry-1.docker.io
3.218.162.19 registry-1.docker.io
23.22.155.84 registry-1.docker.io
3.94.35.164 registry-1.docker.io
18.213.137.78 registry-1.docker.io
3.224.175.179 registry-1.docker.io
3.223.220.229 registry-1.docker.io
3.211.199.249 registry-1.docker.io
再次获取镜像资源。
docker pull mysql
