Install Docker on Centos7 (2020 latest version available, just copy and paste)

Refer to the official documentation here for operation:

https://docs.docker.com/engine/install/centos/

1. Uninstall the old version of docker (my centos7 is new, so no packages will be deleted after running)

yum remove docker \
     docker-client \
     docker-client-latest \
     docker-common \
     docker-latest \
     docker-latest-logrotate \
     docker-logrotate \
     docker-engine

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2. Install the yum-utils package

yum install -y yum-utils

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3. Set up the Docker repository (Alibaba Cloud address is used here)

yum-config-manager \
 --add-repo \
 http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

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4. Update the yum package index

yum makecache fast

Bold style

5. Install the latest version of Docker

yum install docker-ce docker-ce-cli containerd.io

In the following step, select y

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Then the following situation will appear: (The official website has given us a hint) Fingerprint matching select y

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6. Start Docker

systemctl start docker

7. Check the docker version

docker version

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8. Test run

docker run hello-world

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The Hello from Docker message appears, indicating that the test is successful.

This is the end of this article about installing Docker on Centos7 (the latest 2020 test is available, just copy and paste). For more information about installing Docker on Centos7, please search for previous articles on 123WORDPRESS.COM or continue to browse the following related articles. I hope you will support 123WORDPRESS.COM in the future!

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