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??tar cvf image.tar image/
==> cd image/ ＃路径问题，要进入到这个文件夹里面打包
==> tar cvf image.tar *
check the directory !!
I faced the similar log but finally I found it had included the extra directory!
我在github上回答：
https://github.com/docker/docker/issues/9245
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原文地址：http://www.cnblogs.com/chen-blog/p/5572885.html
