配置阿里yum源代理访问

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导读	环境：网关服务器可以上网、客户端为内网，不允许上网

服务端配置 nginx 代理

server{
       listen 16666;
       server_name _;
        add_header Access-Control-Allow-Origin *;
        add_header Access-Control-Allow-Headers X-Requested-With;
        add_header Access-Control-Allow-Methods GET,POST,OPTIONS;

        location / {
            root   html;
            index  index.html index.htm;
        }

        location /centos/ {proxy_pass http://mirrors.aliyun.com/centos/;}

        location /epel/ {proxy_pass http://mirrors.aliyun.com/epel/;}

        location /mariadb/ {proxy_pass http://mirrors.ustc.edu.cn/mariadb/;}

    }

使用 yum 源的客户端配置

[root@master1 ~]# cd /etc/yum.repos.d/
[root@master1 yum.repos.d]# vim CentOS-Base.repo 
[base]
name=CentOS-$releasever - Base - 192.168.100.100:16666
failovermethod=priority
baseurl=http://192.168.100.100:16666/centos/$releasever/os/$basearch/
        http://192.168.100.100:16666/centos/$releasever/os/$basearch/
#        http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://192.168.100.100:16666/centos/RPM-GPG-KEY-CentOS-7

#released updates 
[updates]
name=CentOS-$releasever - Updates - 192.168.100.100:16666
failovermethod=priority
baseurl=http://192.168.100.100:16666/centos/$releasever/updates/$basearch/
        http://192.168.100.100:16666/centos/$releasever/updates/$basearch/
#        http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://192.168.100.100:16666/centos/RPM-GPG-KEY-CentOS-7

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - 192.168.100.100:16666
failovermethod=priority
baseurl=http://192.168.100.100:16666/centos/$releasever/extras/$basearch/
        http://192.168.100.100:16666/centos/$releasever/extras/$basearch/
#        http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://192.168.100.100:16666/centos/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - 192.168.100.100:16666
failovermethod=priority
baseurl=http://192.168.100.100:16666/centos/$releasever/centosplus/$basearch/
        http://192.168.100.100:16666/centos/$releasever/centosplus/$basearch/
#        http://mirrors.cloud.aliyuncs.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://192.168.100.100:16666/centos/RPM-GPG-KEY-CentOS-7

#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib - 192.168.100.100:16666
failovermethod=priority
baseurl=http://192.168.100.100:16666/centos/$releasever/contrib/$basearch/
        http://192.168.100.100:16666/centos/$releasever/contrib/$basearch/
        http://mirrors.cloud.aliyuncs.com/centos/$releasever/contrib/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://192.168.100.100:16666/centos/RPM-GPG-KEY-CentOS-7

清理 yum 缓存