#docker pull xxx
如果报下面这个错，一般是源被墙掉了的原因。
[root@controller ~]# docker pull python或者其他
Using default tag: latest
latest: Pulling from library/python
9f0706ba7422: Retrying in 1 second
d3942a742d22: Retrying in 5 seconds
62b1123c88f6: Retrying in 1 second
2dac6294ef18: Waiting
a7bb658fb099: Waiting
a811de274338: Waiting
771f11f32dc9: Waiting
a16d4d6b543c: Waiting
error pulling image configuration: Gethttps://dseasb33srnrn.cloudfront.net/registry-v2/docker/registry/v2/blobs/sha256/f9/f9a9a73a36808dc906fa7b38f517e16937a0943046f59fc23d8b77fd6400a369/data?Expires=1498710588&Signature=Jq2hHPTclzz6LRQ-YDM-ckVKpTn1mkyy-Gw5tmOBcyXc4aEpLWunr3oIdc96AYmtpBhhBlssHzRyYAEkXp1qRLqGqC3tVA7M-rWwquDo8FjiyKfyXEwpptUzr23ENVKzvJc1BwnwndQrVJYy5px3krfQe41zYC-DAV6tvnDi5Rs_&Key-Pair-Id=APKAJECH5M7VWIS5YZ6Q:dial tcp: lookup dseasb33srnrn.cloudfront.net on 114.114.114.114:53: read udp xxx:52714->114.114.114.114:53: i/o timeout
解决办法:换源/或者使用工具。
我的解决方法:
1) 注册DaoCloud
2) 在你的Linux主机上执行#docker login daocloud.io
3) 输入daocloud用户名密码，显示登录成功
4) 在daocloud网页上查询镜像，选择之后，点击”拉取”
5) 在弹出的窗口里复制拉取镜像字符串
6) 在你的主机上继续执行#docker pull daocloud.io/library/python:2.7.7
2.7.7: Pulling from library/python
a3ed95caeb02: Pull complete
a3adb83f5e79: Pull complete
b2f31ed69e64: Pull complete
871cd50ff22e: Pull complete
2d820baa19d8: Pull complete
c6c2e05d1a63: Pull complete
be40e8c8d99e: Pull complete
974354b566a4: Pull complete
1489cccb6606: Pull complete
504af06a9b10: Pull complete
Digest:sha256:2034bc78a67657ee8f1a0838c879f7d98d3db675d6420069312678b9d11be2cc
Status: Downloaded newer image for daocloud.io/library/python:2.7.7
7) 拉取成功