安装http

#yum-yinstallhttpd-y

安装软件包

#yum-yinstallrsynccreaterepo

创建目录

#mkdir-p/var/www/repos/centos/7/{os,updates,extras}/x86_64

设置权限

#chmod-R755/var/www/repos

从清华官方源同步

#rsync-avz--delete--exclude='repodata'\
rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/os/x86_64/\
/var/www/repos/centos/7/os/x86_64/

#rsync-avz--delete--exclude='repodata'\
rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/updates/x86_64/\
/var/www/repos/centos/7/updates/x86_64/

#rsync-avz--delete--exclude='repodata'\
rsync://mirrors.tuna.tsinghua.edu.cn/centos/7/extras/x86_64/\
/var/www/repos/centos/7/extras/x86_64/

创建 Metadata repositories

#createrepo/var/www/repos/centos/7/os/x86_64/
#createrepo/var/www/repos/centos/7/updates/x86_64/
#createrepo/var/www/repos/centos/7/extras/x86_64/

设置定时任务，每天同步

# vi /etc/cron.daily/update-repo

#!/bin/bash
VER='7'
ARCH='x86_64'
REPOS=(osupdatesextras)
forREPOin${REPOS[@]}
do
rsync-avz--delete--exclude='repodata'\
rsync://mirrors.tuna.tsinghua.edu.cn/centos/${VER}/${REPO}/${ARCH}//var/www/repos/centos/${VER}/${REPO}/${ARCH}/
createrepo/var/www/repos/centos/${VER}/${REPO}/${ARCH}/
done

赋予权限

#chmod755/etc/cron.daily/update-repo

配置httpd主机使其他客户端访问

# vi /etc/httpd/conf.d/repos.conf

Alias/repos/var/www/repos
<directory/var/www/repos>
Options+Indexes
Requireallgranted
</directory>

重启服务

#systemctlrestarthttpd

配置防火墙

#firewall-cmd--add-service=http--permanent
#firewall-cmd--reload

客户端的配置文件，其中172.16.8.100是源服务器地址

# vi /etc/yum.repos.d/CentOS-Base.repo

[base]
name=CentOS-$releasever-Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
baseurl=http://172.16.8.100/repos/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
[updates]
name=CentOS-$releasever-Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
baseurl=http://172.16.8.100/repos/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
[extras]
name=CentOS-$releasever-Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
baseurl=http://172.16.8.100/repos/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7