CentOS7 安装Docker，并配置阿里云镜像

1、安装Docker

1.1、安装gcc

yum -y install gcc gcc-c++

1.2、安装需要的软件包

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

1.3、设置stable镜像仓库

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

1.4、更新yum软件包索引

yum makecache fast

1.5、安装docker

yum -y install docker-ce

1.6、启动docker

systemctl start docker

1.7、查看docker版本

[root@localhost ~]# docker version
Client: Docker Engine - Community
 Version:           20.10.2
 API version:       1.41
 Go version:        go1.13.15
 Git commit:        2291f61
 Built:             Mon Dec 28 16:17:48 2020
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.2
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.13.15
  Git commit:       8891c58
  Built:            Mon Dec 28 16:16:13 2020
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.4.3
  GitCommit:        269548fa27e0089a8b8278fc4fc781d7f65a939b
 runc:
  Version:          1.0.0-rc92
  GitCommit:        ff819c7e9184c13b7c2607fe6c30ae19403a7aff
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

2、配置阿里云镜像

阿里云Docker镜像加速服务地址：https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors?accounttraceid=11a0e219e1bb4fd3b64837b486dc69a9lrgj

docker1.jpg

执行方框中的命令

[root@localhost ~]# sudo mkdir -p /etc/docker
[root@localhost ~]# sudo tee /etc/docker/daemon.json <<-'EOF'
> {
>   "registry-mirrors": ["https://{替换成自己的}.mirror.aliyuncs.com"]
> }
> EOF
{
  "registry-mirrors": ["https://{替换成自己的}.mirror.aliyuncs.com"]
}
[root@localhost ~]# sudo systemctl daemon-reload
[root@localhost ~]# sudo systemctl restart docker