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Windows7 does not support the direct installation and use of docker, but you can use the "Docker Toolbox" method to use docker on windows7; use VirtualBox to create a linux virtual machine on windows7 and install the docker service in the linux virtual machine. terminal and client.
The operating environment of this tutorial: Windows 7 system, docker version 19.03, Dell G3 computer.
You cannot directly install and use Docker under Windows 7, but you can use Docker through Docker Toolbox.
There are two ways to use Docker on Windows.
One is to use VirtualBox to create a Linux virtual machine and install the docker server and client in the Linux virtual machine.
The second is to use Windows' Hyper-v virtualization technology to install the docker server and client directly on Windows.
WIndows7 does not support Hyper-v, so Docker can only be used through Docker Toolbox.
The installation process is very simple, keep the default options, just click [next]
After the installation is completed, there will be 3 more icons on the desktop, as follows . Among them, VirtualBox provides the running environment of Linux virtual machines, Docker Quickstart Terminal is used to quickly intervene in Linux virtual machines and provides command line interaction, and Kitematic is a rarely used docker GUI.
The first time you run Docker Quickstart Terminal, the Docker environment will be initialized, and a Linux virtual machine named [default] will be automatically created in VirtualBox. During this process The boot2docker.iso image file will be used. By default, the startup program will download the latest version of this file from GitHub, but due to the relatively large file size and slow speed, the Docker environment cannot be started, as shown below:
You can enter docker run hello-world, and then press Enter to verify again
The first time it will be displayed like above.
Extended knowledge:
Problems encountered
Use git bash less
Enter the command docker exec -it through git bash mssql "bash" will give an exception prompt:
the input device is not a TTY. If you are using mintty, try prefixing the command with 'winpty'
When using the cmd that comes with win7, there will be no such exception prompt
When cd enters the docker directory, you need to bring single quotes
docker The toolbox is installed on the e drive. When using the cd command to enter, it is found that the corresponding file or directory cannot be found. Through ls -l, it is found that the docker toolbox is actually displayed as 'Docker Toolbox'
, so through cd 'Docker Toolbox ' can be entered because there are spaces in the middle and quotation marks are needed to indicate a group.
docker usage
Every time you use docker, you must first open the default virtual machine, which is actually "Oracle VM VirtualBox". In this way, you can use docker directly in the cmd of win7.
You can also directly use "Docker Quickstart Terminal" to start. When the whale icon appears, it means that docker has been started.
Recommended learning: "docker video tutorial"
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