How to modify docker Mirror Source by Linux

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Several mirror sources available for personal testing in China:

Docker official China: https://registry.docker-cn.com NetEase: http://hub-mirror.c.163.com University of Science and Technology of China: https://docker.mirrors.ustc.edu.cn Aliyun: https://y0qd3iq.mirror.aliyuncs.com adds the image source configuration file / etc/docker/daemon.json of Docker. If the image is not configured, the file will not be saved by default. Add the following content to it:

{"registry-mirrors": ["https://y0qd3iq.mirror.aliyuncs.com"]} where URL is the specified mirror source, which can be set to any of the four mirror sources mentioned above.

Then restart the Docker service:

Service docker restart then checks to see if the configuration takes effect with the following command:

Docker info | grep Mirrors-A 1 can see the following output:

Registry Mirrors: https://y0qd3iq.mirror.aliyuncs.com/ means that the image is configured successfully, and then perform the docker pull operation, which will be quick.

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