Ubuntu Install Docker Tutorial _docker

First, look at the notes from the book from Docker to combat:

Why use the Dockerdocker container to start can implement the second level. With high system utilization, a single host can run thousands of containers. Faster delivery and deployment more efficient virtualization easier migrations and extensions: Docker can run a simpler management on almost any platform

Comparison of Docker and traditional virtual machines:

Contrast picture Docker three basic concepts

Mirroring (IMAGES): A read-only template, mirroring can build Docker containers, users can create and update mirrors, and so on. Note that mirroring is read-only

Container (Container): Dockor use the container to run the use, the container can start, shut down and so on, and isolated from each other, you can take the container as a simple version of the Linux system and operating in the application process.

Warehouse (repository): Focus on mirrored production. Points: public warehouses and private warehouses. The largest public warehouses: Docker Hub, domestic public warehouses: Docker Pool,docker warehouse and git similar, registered server is understood as GitHub such a managed server.

Docker installation

My Linux operating system is Ubuntu 15.10,ubuntu version 15.10 without installing additional dependency packs that can be installed directly

Installation steps

1. Log on to the Ubuntu 15.10 system using an administrator account to ensure that the admin has root privileges, or you can execute sudo commands.

2. Check the Curl package is not installed.

$ which curl

3. If curl is not installed, update apt source, install curl package.

$ sudo apt-get update
$ sudo apt-get install curl

4. Get the latest Docker installation package.

$ Curl-ssl https://get.docker.com/| Sh

5.shell prompts you to enter a sudo password and then starts the installation process.

After the installation is successful, run

$ docker

The following page appears to indicate successful installation

Run a successful breakthrough

6. Reconfirm whether the Docker was successfully installed.

$ sudo docker run hello-world

This command downloads a test mirror and starts a container to run it.

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