centos7中如何安装使用Docker

centos7中如何安装使用Docker

1、下载并安装Docker

下载Docker安装包：

# wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.03.1.ce-1.el7.centos.x86_64.rpm

安装Docker：

# yum install -y docker-ce-17.03.1.ce-1.el7.centos.x86_64.rpm

2、启动Docker服务

启动Docker服务：

# systemctl start docker

设置Docker开机启动：

# systemctl enable docker

3、验证Docker安装

运行Docker容器：

# docker run hello-world

输出：

Hello 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. (amd64) 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 bash Share images, automate workflows, and more with a free Docker ID: https://hub.docker.com/ For more examples and ideas, visit: https://docs.docker.com/engine/userguide/

以上输出表明Docker安装成功。