The document provides instructions on how to install packages using the yum package manager in Linux. It describes how to install a package and await confirmation, suppress confirmation, show duplicate packages, and install a specific package version. Yum automatically identifies dependencies and ensures the correct packages are installed. It can also install groups of packages and is used via its module interface in Python programs.

1. How To Install Package with Yum
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Table of Contents
Overview.......................................................................................................................................................1
Applies To......................................................................................................................................................1
Yum Options..................................................................................................................................................1
Yum Package Installation..............................................................................................................................1
Install Package Await Confirmation..........................................................................................................1
Install Package Suppress Confirmation.....................................................................................................1
Show Duplicates Packages........................................................................................................................2
Install Specific Package Version ................................................................................................................2

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Overview
The purpose of this guide is to know the usage of YUM (Yellowdog updater modified). It is an automatic
updater and package installer/remover for rpm system(s).
One of the main features, it automatically identifies dependencies and ensures as to what packages
needs to be installed to complete requested package installation.
You can also utilize yum to install a group of packages, one of such group is “Development Tools”.
Yum has a plugin interface for adding simple features. Yum can also be used python programs via its
module interface.
yum clean, is cache option will help in managing the disk space at regular intervals on the system.
Applies To
 Linux flavor where yum is installed
 Tested on CentOS 7, RHEL 7
Yum Options
Yum command has different options for performing different type of package administration, some of
major commands are discussed here.

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Yum Package Installation
Installation of packages is one main features of YUM.
Install Package Await Confirmation
To install a package run the command; after verifying dependencies yum will wait for confirmation before
downloading and installation of the package, run the command;
yum install epel-release -q
Install Package Suppress Confirmation
You can install a package by suppressing confirmation, run the command;
yum install epel-release -y

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Show Duplicates Packages
Yum also lists packages of duplicate packages, its useful when you want to install a specific version of a
package.
yum --showduplicates list java-1.7.0-openjdk-devel -q
Install Specific Package Version
To install a specific version of a package, run the command;
yum --showduplicates list php-gd -q
yum install php-gd-5.4.16-36.el7_1 -q