Docker安装

卸载旧版本

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

yum安装gcc相关

yum -y install gcc
yum -y install gcc-c++

安装需要的软件包

yum install -y yum-utils

设置stable镜像仓库

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

更新yum软件包索引

yum makecache fast

安装Docker CE

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

启动docker

systemctl start docker

测试

查看版本

docker version

docker run hello-world

卸载

停止

systemctl stop docker

卸载

yum remove docker-ce docker-ce-cli containerd.io
rm -rf /var/lib/docker
rm -rf /var/lib/containerd

阿里云镜像加速器

mkdir -p /etc/docker

tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["<镜像加速器地址>"]
}
EOF

systemctl daemon-reload

systemctl restart docker

查看教程：https://blog.csdn.net/angellee1988/article/details/105468058