Docker实践

目标学习docker

环境--虚拟机10.0.1.25 （云）yum makecache

Fedora/CentOS/RHEL

新建 /etc/yum.repos.d/docker.repo，内容为

Fedora/CentOS/RHEL版本:

[dockerrepo]
name=Docker Repository
baseurl=https://mirrors.tuna.tsinghua.edu.cn/docker/yum/repo/centos7
enabled=1
gpgcheck=1
gpgkey=https://mirrors.tuna.tsinghua.edu.cn/docker/yum/gpg

再执行

sudo yum makecache
sudo yum install docker-engine

安装报错：Transaction check error:

大意是版本冲突

运行命令：yum install libdevmapper* -y

然后再运行 ：yum install docker-engine OK

启动服务Enable the service.

 sudo systemctl enable docker.service

 sudo systemctl start docker
 docker run hello-world