1.centos 7
在windows下通过vm虚拟机安装centos 7：
VMware-workstation-full-10.0.3-1895310
centos 7
2.要求
操作系统的内核版本不能低于3.10
查看内核版本：
# uname -r
3.安装
3.1通过yum安装
需要联入互联网
$ dudo yum update
3.1.2加入yum repo
$ sudo tee /etc/yum.repos.d/docker.repo <<-'EOF'
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/$releasever/
enabled=
gpgcheck=
gpgkey=https://yum.dockerproject.org/gpg
EOF
3.1.3安装docker软件包
$ sudo yum install docker-engine
3.1.4启动docker守护进程
$ sudo service docker start
3.1.5验证docker是否安装成功，在容器里面运行一个官方的测试镜像（hello-world）
$ sudo docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from hello-world
a8219747be10: Pull complete
91c95931e552: Already exists
hello-world:latest: The image you are pulling has been verified. Important: image verification is a tech preview feature and should not be relied on to provide security.
Digest: sha256:aa03e5d0d5553b4c3473e89c8619cf79df368babd1..1cf5daeb82aab55838d
Status: Downloaded newer image for hello-world:latest
Hello from Docker.
This message shows that your installation appears to be working correctly. To generate this message, Docker took the following steps:
. The Docker client contacted the Docker daemon.
. The Docker daemon pulled the "hello-world" image from the Docker Hub.
(Assuming it was not already locally available.)
. The Docker daemon created a new container from that image which runs the
executable that produces the output you are currently reading.
. 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 bash For more examples and ideas, visit:
http://docs.docker.com/userguide/
显示上面的结果则表示安装成功。
3.2用curl工具通过shell脚本安装
$ sudo yum update
3.2.1执行docker安装脚本
$ curl -fsSL https://get.docker.com/ | sh
3.2.2启动docker
$ sudo service docker start
3.2.3验证
$ sudo docker run hello-world
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