CentOS 7
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Configure Local Yum Repository Server2017/04/11
 
Configure Local Yum Repository Server to update packages faster for local Servers.
On this example, Configure [base], [updates], [extras] mirror repositories that are enabled by default settings on CentOS.
[1]
Install and start Apache httpd, refer to here.
[2] Install other required packages.
[root@dlp ~]#
yum -y install rsync createrepo
[3] Create directories for repository and copy data from CentOS official Repository.
# create directories

[root@dlp ~]#
mkdir -p /var/www/repos/centos/7/{os,updates,extras}/x86_64

[root@dlp ~]#
chmod -R 755 /var/www/repos
# copy from official repo

[root@dlp ~]#
rsync -avz --delete --exclude='repodata' \
rsync://ftp.riken.jp/centos/7/os/x86_64/ \
/var/www/repos/centos/7/os/x86_64/
[root@dlp ~]#
rsync -avz --delete --exclude='repodata' \
rsync://ftp.riken.jp/centos/7/updates/x86_64/ \
/var/www/repos/centos/7/updates/x86_64/
[root@dlp ~]#
rsync -avz --delete --exclude='repodata' \
rsync://ftp.riken.jp/centos/7/extras/x86_64/ \
/var/www/repos/centos/7/extras/x86_64/
# create metadata repositories

[root@dlp ~]#
createrepo /var/www/repos/centos/7/os/x86_64/

[root@dlp ~]#
createrepo /var/www/repos/centos/7/updates/x86_64/

[root@dlp ~]#
createrepo /var/www/repos/centos/7/extras/x86_64/

[4] Add copy task to daily jobs.
[root@dlp ~]#
vi /etc/cron.daily/update-repo
# create new

#!/bin/bash

VER='7'
ARCH='x86_64'
REPOS=(os updates extras)

for REPO in ${REPOS[@]}
do
    rsync -avz --delete --exclude='repodata' \
    rsync://ftp.riken.jp/centos/${VER}/${REPO}/${ARCH}/ /var/www/repos/centos/${VER}/${REPO}/${ARCH}/
    createrepo /var/www/repos/centos/${VER}/${REPO}/${ARCH}/
done
[root@dlp ~]#
chmod 755 /etc/cron.daily/update-repo

[5] Configure Apache httpd to provide repository for other Client Servers.
[root@dlp ~]#
vi /etc/httpd/conf.d/repos.conf
# create new

Alias /repos /var/www/repos
<directory /var/www/repos>
    Options +Indexes
    Require all granted
</directory>
[root@dlp ~]#
systemctl restart httpd

[6] If Firewalld is running, allow HTTP service.
[root@dlp ~]#
firewall-cmd --add-service=http --permanent

success
[root@dlp ~]#
firewall-cmd --reload

success
[7] On Client Servers, Change settings of Yum to refer to Local Yum Mirror. It's OK all.
[root@client ~]#
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://dlp.srv.world/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://dlp.srv.world/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://dlp.srv.world/repos/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
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