RHEL/CentOS 7 Offline Download & Install Script

yumdown.sh

#!/bin/bashn

if [ -z "$1" ]; then
   echo "sudo yumdown.sh [packageName]"
   exit 1
fi

if [ "$EUID" -ne 0 ]
  then echo "Please run as root (sudo yumdown.sh [packageName])"
  exit
fi

set -x #echo on

PKG=$1 # NAME OF THE PACKAGE TO INSTALL ON OFFLINE MACHINE
rm -rf /tmp/$PKG
#rm -rf /tmp/$PKG-installroot
mkdir /tmp/$PKG
#mkdir /tmp/$PKG-installroot
#yum install --downloadonly --installroot=/tmp/$PKG-installroot --releasever=7 --downloaddir=/tmp/$PKG $PKG
repotrack $PKG -p /tmp/$PKG
createrepo --database /tmp/$PKG
#rm -rf /tmp/$PKG-installroot
tar -cvzf $PKG.tar.gz /tmp/$PKG
rm -rf /tmp/$PKG

sudo yum-config-manager --disable \*
sudo yum-config-manager --enable offline-libsmbclient
sudo yum-config-manager --enable offline-samba
sudo yum-config-manager --enable offline-samba-libs
sudo yum install samba

echo 7.9.2009 > /etc/yum/vars/releasever

/etc/yum.repos.d/CentOS-Base.repo
[base]
name=CentOS-$releasever - Base
baseurl=http://vault.centos.org/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[updates]
name=CentOS-$releasever - Updates
baseurl=http://vault.centos.org/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

[extras]
name=CentOS-$releasever - Extras
baseurl=http://vault.centos.org/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7