说明：

本文环境：CentOS 7

---

```

1、#ip地址配置(在xnode2的基础上)

[root@xnode2 ~]# cat /etc/sysconfig/network-scripts/ifcfg-eno16777736TYPE=EthernetBOOTPROTO=staticDEFROUTE=yesPEERDNS=yesPEERROUTES=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_PEERDNS=yesIPV6_PEERROUTES=yesIPV6_FAILURE_FATAL=noNAME=eno16777736UUID=0c189275-81a1-4c21-84b8-e72af745cb09DEVICE=eno16777736ONBOOT=yesIPADDR=192.168.200.12GATEWAY=192.168.200.2NETMASK=255.255.255.0DNS1=8.8.8.8

```

2、关闭防火墙

```

[root@xnode2 ~]# systemctl stop firewalld[root@xnode2 ~]# systemctl disable firewalldRemoved symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.

```

 

3、关闭selinux

```

[root@xnode2 ~]# vi /etc/selinux/configSELINUX=disabled

```

4、关机克隆，crt链接克隆机

```

[root@xnode2 ~]# hostnamectl set-hostname docker1[root@xnode2 ~]# bash

```

5、配置centos源

使用阿里云的镜像源https://developer.aliyun.com/

 curl -o /etc/yum.repos.d/CentOS-Base.repo curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

 

```

curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo[root@docker1 yum.repos.d]# yum install wget -y[root@docker1 yum.repos.d]# wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo

```

如果以上centos源过期，按照以下步骤拉取：

a、百度搜索"阿里源"

阿里源链接:centos镜像_centos下载地址_centos安装教程-阿里巴巴开源镜像站 (aliyun.com)

b、下滑选择复制

6、删除原有的docker（如果已安装执行下面）

```

[root@docker-server ~]# yum remove docker \docker-client \docker-client-latest \docker-common \docker-latest \docker-latest-logrotate \docker-logrotate \docker-selinux \docker-engine-selinux \docker-engine

```

7、安装docker的依赖

```

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

```

8、配置yum源

```

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

```

9、安装指定版本的docker

```

#查看docker-ce支持版本

yum list docker-ce --showduplicates|sort -ryum install docker-ce-18.09.6 docker-ce-cli-18.09.6 -y

```

10、docker版本

```

[root@docker1 ~]# docker version

显示版本号如下：

Client:

 Version:           18.09.6

 API version:       1.39

 Go version:        go1.10.8

 Git commit:        481bc77156

 Built:             Sat May  4 02:34:58 2019

 OS/Arch:           linux/amd64

 Experimental:      false

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

```

 

11、启动docker

```

[root@docker1 ~]# systemctl start docker[root@docker1 ~]# systemctl enable dockerCreated symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.

```

12、配置docker的加速器

```

[root@docker1 ~]# vi /etc/docker/daemon.json[root@docker1 ~]# cat /etc/docker/daemon.json{"registry-mirrors": ["https://7hw6x2is.mirror.aliyuncs.com"]}[root@docker1 ~]# systemctl daemon-reload[root@docker1 ~]# systemctl restart docker

```

##### 本地安装方式&FTP方式

### 继续操作

克隆xnode2

1、更改主机名

```

[root@xnode2 ~]# hostnamectl set-hostname docker3[root@xnode2 ~]# bash

```

2、在之前的docker1上配置ftp服务

```

yum install vsftpd -yvi /etc/vsftpd/vsftpd.conf

#增加

anon_root=/opt

systemctl start vsftpd

systemctl enable vsftpd

```

3、在docker3上通过ftp方式配置yum源

```

[root@docker3 ~]# vi /etc/yum.repos.d/local.repo

添加以下内容

[docker]

name=docker

baseurl=ftp://192.168.200.12/Docker#其中docker1的ip地址为192.168.200.12

gpgcheck=0

enabled=1

```

4、docker3上安装docker

```

yum install -y yum-utils device-mapper-persistent-data lvm2yum install docker-ce -y

```

5、docker3上启动docker

```

[root@docker3 ~]# systemctl start docker[root@docker3 ~]# systemctl enable dockerCreated symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.

```

6、配置docker的加速器

```

[root@docker3 ~]# vi /etc/docker/daemon.json[root@docker3 ~]# cat /etc/docker/daemon.json{"registry-mirrors": ["https://7hw6x2is.mirror.aliyuncs.com"]}[root@docker3 ~]# systemctl daemon-reload[root@docker3 ~]# systemctl restart docker

```