# Centos7
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
rpm --import https://mirrors.aliyun.com/docker-ce/linux/centos/gpg
yum -y install docker-ce
systemctl enable docker
curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://f1361db2.m.daocloud.io
systemctl restart docker

# Centos6
yum install https://get.docker.com/rpm/1.7.1/centos-6/RPMS/x86_64/docker-engine-1.7.1-1.el6.x86_64.rpm
service docker start

# docker-compose（旧版本）
curl -L "https://github.com/docker/compose/releases/download/1.7.1/docker-compose-Linux-x86_64" -o /usr/local/bin/docker-compose

修改docker根目录

service docker stop  # 停止docker服务
vim /etc/sysconfig/docker  # 修改配置文件
# 添加更改的路径：other_args="--graph=/data/docker"
mkdir -p /data/docker
cp -ra /var/lib/docker/* /data/docker/  # 复制文件
service docker start  # 启动docker服务
docker info  # 查看信息