1.What is Docker?
◆ The container for the application
◆ The preferred containerization technology for development, testing, and operation and maintenance
◆ Lightweight
◆ Scalability
◆ Build once, share many times, run anywhere
2. Install Docker on Windows 10
◆ System requirements
◆ Download the installation package
https://download.docker.com/win/stable/Docker%20for%20Windows%20Installer.exe
◆ Just follow the installation wizard next
◆ Operation
Will not start automatically
Search for Docker in the start menu and open it
◆ For detailed configuration, please refer to this link:
https://docs.docker.com/docker-for-windows/#docker-settings-dialog
◆ Test whether the installation is successful
Run the following command in CMD. If the version number is displayed or "Hello from Docker!" is displayed, it means the installation is successful.
3. Install Docker in the old version of Windows
The following conditions must be met to install Docker on the old version of Windows
◆ Download the Docker ToolBox installation package
◆ Installation
Check version
For Windows 8 or 8.1, open Task Manager -> Performance -> Virtualization is enabled
- For Windows 7 you can use this tool to detect whether virtualization is enabled
https://www.microsoft.com/en-us/download/details.aspx?id=592
◆ Double-click the exe installation package and follow the installation wizard next
◆ Test whether the installation is successful
Find the Docker QuickStart icon on the desktop and double-click to start Docker
◆ If prompted by User Account Control, click Yes
◆ A bash terminal will appear
◆ Run docker run hello-world, if "Hello from Docker." appears, it means the operation is successful
4. Install Docker
4.1 on Linux and install on Centos
◆ linux kernel version dependency
kernel version >= 3.8
You can use the following command to view
uname -a | awk ‘{split($3, arr, “-”); print arr[1]}’
◆ If you have already installed Docker, you need to remove the old version of Docker
◆ Add Docker repository yum source
◆ Start installing Docker Engine
◆ Start Docker
◆ Verify whether the installation is successful
◆ If "Hello from Docker." appears, it means the operation is successful
◆ If you run the docker command every time, without adding sudo in front, you can execute the following commands:
◆ If you think the above installation steps are troublesome, you can run the following script to install
Cannot be used in production system
4.2, install on Ubuntu
◆ linux kernel version dependency
kernel version >= 3.8
You can use the following command to view
uname -a | awk ‘{split($3, arr, “-”); print arr[1]}’
◆ The operating system depends on the following versions
◆ If you have already installed Docker, you need to remove the old version of Docker
◆ Use Docker repository to install
◆ Install Docker
◆ Start Docker
◆ Verify whether the installation is successful
◆ If "Hello from Docker." appears, it means the operation is successful
◆ If you run the docker command every time, without adding sudo in the front, you can execute the following commands:
5. Use a shell script to install Docker
and install it on Ubuntu and Centos
◆ install_docker_.sh
run script
◆ bash install_docker_.sh
6. Practice docker online
◆ katacoda website:
https://www.katacoda.com/
A small exercise every 10 minutes
◆ Play with Docker网站：
https://labs.play-with-docker.com/
Register a docker account and log in
Can be used for 4 hours at a time and will be emptied afterwards