Official website Reference: https://docs.docker.com/install/linux/docker-ce/centos/
Docker 01 uninstall before
sudo yum the Remove Docker \
Docker-Client \
Docker-Client-Latest \
Docker-the Common \
Docker-Latest \
Docker-Latest-logrotate \
Docker-logrotate \
Docker-Engine
02 to install the necessary dependencies
sudo yum install - yum-utils the y-\
Device-Mapper-persistent-the Data \
lvm2
03 settings docker warehouse [warehouse set up Ali cloud images can own Baidu first, followed by courses will have their own docker hub explain]
sudo yum-config-Manager \
--add -repo \
https://download.docker.com/linux/centos/docker-ce.repo
[visit this address, use your own Ali cloud account login, view the lower left corner of the menu bar, we found a mirror accelerator: https: / /cr.console.aliyun.com/cn-hangzhou/instances/mirrors]
04 installation docker
sudo yum -y install docker docker-ce-ce-cli containerd.io
05 start docker
sudo systemctl Start docker
06 test docker installation was successful
sudo docker run hello-world