卸载旧版Docker

新版docker无法覆盖旧版的,所以需要先卸载原来的旧版本

yum remove docker \

docker-client \

docker-client-latest \

docker-common \

docker-latest \

docker-latest-logrotate \

docker-logrotate \

docker-selinux \

docker-engine-selinux \

docker-engine

安装Docker依赖

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

安装Docker

yum install -y docker

查看docker版本

docker -v

启动docker

# 启动docker

systemctl start docker

# dockerk开机自启

systemctl enable docker

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