用Hello World校验Docker的安装

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用Hello World校验Docker的安装

作者：chszs，版权所有，未经同意，不得转载。博主主页：http://blog.youkuaiyun.com/chszs

用Docker运行Hello World镜像，命令如下：

# docker run hello-worldUnable to find image 'hello-world:latest' locallylatest: Pulling from hello-world535020c3e8ad: Pull complete af340544ed62: Pull complete Digest: sha256:a68868bfe696c00866942e8f5ca39e3e31b79c1e50feaee4ce5e28df2f051d5cStatus: Downloaded newer image for hello-world:latestHello from Docker.This message shows that your installation appears to be working correctly.To generate this message, Docker took the following steps: 1. The Docker client contacted the Docker daemon. 2. The Docker daemon pulled the "hello-world" image from the Docker Hub. 3. The Docker daemon created a new container from that image which runs the    executable that produces the output you are currently reading. 4. The Docker daemon streamed that output to the Docker client, which sent it    to your terminal.To try something more ambitious, you can run an Ubuntu container with: $ docker run -it ubuntu bashShare images, automate workflows, and more with a free Docker Hub account: https://hub.docker.comFor more examples and ideas, visit: https://docs.docker.com/userguide/
  
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可见，Docker注册服务器从Docker Hub获取到最新的Hello World镜像，下载到了本地。可以再次运行Hello World镜像。

# docker run hello-worldHello from Docker.This message shows that your installation appears to be working correctly.To generate this message, Docker took the following steps: 1. The Docker client contacted the Docker daemon. 2. The Docker daemon pulled the "hello-world" image from the Docker Hub. 3. The Docker daemon created a new container from that image which runs the    executable that produces the output you are currently reading. 4. The Docker daemon streamed that output to the Docker client, which sent it    to your terminal.To try something more ambitious, you can run an Ubuntu container with: $ docker run -it ubuntu bashShare images, automate workflows, and more with a free Docker Hub account: https://hub.docker.comFor more examples and ideas, visit: https://docs.docker.com/userguide/
  
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可见，Hello World镜像运行成功，Docker的安装也没有问题。

           

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