安裝http

# yum -y install httpd -y

安裝軟體包

# yum -y install rsync createrepo

建立目錄

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

設定許可權

# chmod -R 755 /var/www/repos

從清華官方源同步

# 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/

建立 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/

設定定時任務，每天同步

# vi /etc/cron.daily/update-repo
#!/bin/bash
VER='7'
ARCH='x86_64'
REPOS=(os updates extras)
for REPO in ${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

賦予許可權

# chmod 755 /etc/cron.daily/update-repo

配置httpd主機使其他客戶端訪問

# vi /etc/httpd/conf.d/repos.conf
Alias /repos /var/www/repos
<directory /var/www/repos>
    Options +Indexes
    Require all granted
</directory>

重啟服務

# systemctl restart httpd

配置防火牆

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

客戶端的配置檔案，其中172.16.8.100是源伺服器地址

# 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