docker安装教程

安装前提

确保centos系统内核版本高于3.10

[root@localhost ~]# uname -r
3.10.0-514.el7.x86_64

安装依赖

[root@localhost ~]# yum install -y yum-utils device-mapper-persistent-data lvm2

添加docker软件源

yum-config-manager
–add-repo
https://download.docker.com/linux/centos/docker-ce.repo

更新YUM缓存

[root@localhost ~]# yum makecache fast

安装docker ce（社区版免费）

[root@localhost ~]# yum -y install docker-ce

设置默认国内镜像仓库

[root@localhost ~]# curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://f1361db2.m.daocloud.io

启动docker

[root@localhost ~]# systemctl start docker
[root@localhost ~]# systemctl enable docker

查看版本

[root@localhost ~]# docker version