安装步骤
1.确认你是CentOS7及以上版本
cat /etc/redhat-release
2.卸载旧版本
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
3.yum安装gcc相关
(1)CentOS7能连外网
ping www.baidu.com
(2)
yum -y install gcc
(3)
yum -y install gcc-c++
4.安装需要的软件包
yum install - y yum-utils
5.设置stable镜像仓库
阿里云:
sudo yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
6.更新yum软件包索引
(可省略,建议)
yum makecache fast
7.安装DOCKER CE
yum install docker-ce docker-ce-cli containerd.io
8.启动docker
systemctl start docker
设置开机自启动
systemctl enable docker.service
关闭开机自启动
systemctl disable docker.service
9.测试
docker version
docker run hello-world
10.卸载
systemctl stop docker
yum remove docker-ce docker-ce-cli containerd.io
rm -rf /var/lib/docker
rm -rf /var/lib/containerd