docker pull下载镜像时的报错及其解决方法
转载来自: https://blog.csdn.net/weixin_43223076/article/details/83934578使用docker pull从镜像仓库拉取镜像时报错如下：
# docker pull centos
Using default tag: latest
Trying to pull repository docker.io/library/centos ...
Get https://registry-1.docker.io/v2/library/centos/manifests/latest: Get https://auth.docker.io/token?scope=repository%3Alibrary%2Fcentos%3Apull&service=registry.docker.io: net/http: TLS handshake timeout
解决办法：
# yum install bind-utils // 安装dig工具
# dig @114.114.114.114 registry-1.docker.io
; < > DiG 9.9.4-RedHat-9.9.4-61.el7_5.1 < > @114.114.114.114 registry-1.docker.io
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER< ;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;registry-1.docker.io. IN A
;; ANSWER SECTION:
registry-1.docker.io. 31 IN A 34.206.236.31
registry-1.docker.io. 31 IN A 54.175.43.85
registry-1.docker.io. 31 IN A 34.205.207.96
registry-1.docker.io. 31 IN A 34.233.151.211
registry-1.docker.io. 31 IN A 52.70.175.131
registry-1.docker.io. 31 IN A 34.200.28.105
registry-1.docker.io. 31 IN A 54.165.149.19
registry-1.docker.io. 31 IN A 34.201.236.93
;; Query time: 10 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Wed Oct 31 11:18:55 CST 2018
;; MSG> 选择上面命令执行结果中的一组解析放到本机的/etc/hosts文件里做映射
# vim /etc/hosts
54.175.43.85 registry-1.docker.io
接着再进行docker pull镜像下载操作
# docker pull centos
Using default tag: latest
Trying to pull repository docker.io/library/centos ...
latest: Pulling from docker.io/library/centos
aeb7866da422: Pull complete
Digest: sha256:67dad89757a55bfdfabec8abd0e22f8c7c12a1856514726470228063ed86593b
Status: Downloaded newer image for docker.io/centos:latest
# docker images
REPOSITORY TAG IMAGE> docker.io/centos latest 75835a67d134 3 weeks ago 200 MB
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