centos下安装部署docker

1.首先确保你的虚拟机能够上网

2.卸载旧版的dokcer，没有则忽略

[root@docker01 ~]# yum remove docker docker-common docker-selinux docker-engine

3.添加docker镜像源

#①安依赖包
[root@docker01 ~]# yum install -y yum-utils device-mapper-persistent-data lvm2

#②添加docker镜像源
[root@docker01 ~]# wget -O /etc/yum.repos.d/docker-ce.repo https://download.docker.com/linux/centos/docker-ce.repo

4.替换docker镜像源下载地址，这里替换为清华镜像源

#①替换镜像源下载地址
[root@docker01 ~]# sed -i 's+download.docker.com+mirrors.tuna.tsinghua.edu.cn/docker-ce+' /etc/yum.repos.d/docker-ce.repo

#②重新生成yum缓存
[root@docker01 ~]# yum makecache fast

5.安装docker

[root@docker01 ~]# yum makecache fast

6.启动并查看docker

[root@docker01 ~]# systemctl start  docker  #启动docker服务


[root@docker01 ~]# docker version           #查看docker版本，默认是安装最新稳定社区版
Client: Docker Engine - Community
 Version:           20.10.10
 API version:       1.41
 Go version:        go1.16.9
 Git commit:        b485636
 Built:             Mon Oct 25 07:44:50 2021
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true
Server: Docker Engine - Community
 Engine:
  Version:          20.10.10
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.16.9
  Git commit:       e2f740d
  Built:            Mon Oct 25 07:43:13 2021
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.4.11
  GitCommit:        5b46e404f6b9f661a205e28d59c982d3634148f8
 runc:
  Version:          1.0.2
  GitCommit:        v1.0.2-0-g52b36a2
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0