Linux系统安装、配置docker

1、卸载系统之前的docker

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

2、安装docker依赖的包

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

3、设置docker的安装地址

sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

4、安装docker
sudo yum install docker-ce docker-ce-cli containerd.io

5、启动docker
sudo systemctl start docker

6、设置docker开机自启
sudo systemctl enable docker

7、配置docker阿里云镜像加速
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://79olaqq0.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker