1, remove the old version:
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
rm -rf /etc/systemd/system/docker.service.d
rm -rf /var/lib/docker
rm -rf /var/run/docker
rm -rf /usr/local/docker
rm -rf /etc/docker
2, install some necessary system tools:
yum -y install yum-utils device-mapper-persistent-data lvm2
3, add the software source information:
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
4, update yum cache:
yum makecache fast
5, mounting Docker-ce:
yum -y install docker-ce
6, start the background service Docker:
systemctl start docker
7, test run hello-world:
docker run hello-world
8, install centos, and after the start of the stage run centos:
docker run -itd centos /bin/bash
9, enter centos mirror:
So far, Docker environment to build complete.