Docker安装

# yum-utils
sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2
  

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

# 移除旧版本
sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

# list version
yum list docker-ce --showduplicates | sort -r

# install Docker Engin Community
 sudo yum install docker-ce docker-ce-cli containerd.io
 

# set startup 
sudo systemctl enable docker

# start
systemctl start docker

# 1. 设置存储库
sudo yum install -y yum-utils
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
 # 2. 安装最新版本docker engin 和 containerd.io
 sudo yum install docker-ce docker-ce-cli containerd.io