Ubuntu下安装Docker
1.安装Docker sudo apt-get install curl curl -fsSL https://get.docker.com/ | sh 安装好后有如下提示： If you would like to use Docker as a non-root user, you should now consider adding your user to the "docker" group with something like: sudo usermod -aG docker guochongxin Remember that you will have to log out and back in for this to take effect! 可根据实际需要执行上面提示中的命令，将当前用户加到docker用户组里，避免后期需要加sudo执行。 接下来执行sudo docker run hello-world命令来验证安装情况，如有下面提示则表示安装成功: 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. 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