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ubuntu 14.04,debian 7 and 8 EOL
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@@ -8,32 +8,33 @@
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压缩包可以是本地文件、远程 Web 文件,甚至是从标准输入中得到。压缩包将会在镜像 `/` 目录展开,并直接作为镜像第一层提交。
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比如我们想要创建一个 [OpenVZ](https://openvz.org) 的 Ubuntu 14.04 [模板](https://openvz.org/Download/template/precreated)的镜像:
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比如我们想要创建一个 [OpenVZ](https://openvz.org) 的 Ubuntu 16.04 [模板](https://openvz.org/Download/template/precreated)的镜像:
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```bash
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$ docker import \
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http://download.openvz.org/template/precreated/ubuntu-14.04-x86_64-minimal.tar.gz \
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openvz/ubuntu:14.04
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Downloading from http://download.openvz.org/template/precreated/ubuntu-14.04-x86_64-minimal.tar.gz
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sha256:f477a6e18e989839d25223f301ef738b69621c4877600ae6467c4e5289822a79B/78.42 MB
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http://download.openvz.org/template/precreated/ubuntu-16.04-x86_64.tar.gz \
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openvz/ubuntu:16.04
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Downloading from http://download.openvz.org/template/precreated/ubuntu-16.04-x86_64.tar.gz
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sha256:412b8fc3e3f786dca0197834a698932b9c51b69bd8cf49e100c35d38c9879213
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```
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这条命令自动下载了 `ubuntu-14.04-x86_64-minimal.tar.gz` 文件,并且作为根文件系统展开导入,并保存为镜像 `openvz/ubuntu:14.04`。
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这条命令自动下载了 `ubuntu-16.04-x86_64.tar.gz` 文件,并且作为根文件系统展开导入,并保存为镜像 `openvz/ubuntu:16.04`。
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导入成功后,我们可以用 `docker image ls` 看到这个导入的镜像:
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```bash
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$ docker image ls openvz/ubuntu
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REPOSITORY TAG IMAGE ID CREATED SIZE
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openvz/ubuntu 14.04 f477a6e18e98 55 seconds ago 214.9 MB
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openvz/ubuntu 16.04 412b8fc3e3f7 55 seconds ago 505MB
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```
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如果我们查看其历史的话,会看到描述中有导入的文件链接:
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```bash
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$ docker history openvz/ubuntu:14.04
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$ docker history openvz/ubuntu:16.04
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IMAGE CREATED CREATED BY SIZE COMMENT
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f477a6e18e98 About a minute ago 214.9 MB Imported from http://download.openvz.org/template/precreated/ubuntu-14.04-x86_64-minimal.tar.gz
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f477a6e18e98 About a minute ago 214.9 MB Imported from http://download.openvz.org/template/precreated/ubuntu-16.04-x86_64.tar.gz
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```
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### `docker save` 和 `docker load`
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