Red Hat Linux Reference Guide

Linux Introduction

What is Linux Linux Architecture Filesystem & Directory Structure

VI-EDITOR

Operation Modes VI-Editor Commands

Process Management

What is Linux Process? Linux Process Management

Linux Installation

Linux Installation - Physical Servers

Disk Partitions & File System Management

Disk Partitions File Systems

Logical Volume Management - LVM

What is LVM? LVM Commands & Scenarios

User & Group Administration

What is User & Group? Managing Users and Groups

Package Management

Package Management using RPM Package Management using YUM

Network File System - NFS

What is NFS? NFS Server & Client Configuration

Domain Naming System - DNS

What is DNS? DNS Architecture Configure DNS Server Configure DNS Client DNS Summary

Apache HTTP Web Server

What is HTTP Web Server? HTTP Web Server Architecture Configure Apache HTTP Web Server

KickStart Installations

What is KickStart? Configure KickStart Server

FTP server

What is FTP Server? FTP Architecture Configure FTP Server Configure FTP Client FTP Summary

BOOT PROCESS

What is Boot Process? Boot Process Stages

Dynamic Host Configuration Protocol - DHCP

What is DHCP? DHCP Architecture Configure DHCP Server

Job Scheduling

Cron Jobs Management Cron Job Summary

File Links

Soft Link vs Hard Link

Swap Management

What is Swap?

Log Management

Log Rotate rsyslog

Performance Management

How to Monitor Performance? Performance Tools

Linux Troubleshooting

SingleUserMode vs RescueMode vs EmergencyMode Configure Kdump

Linux Summary

Linux Configuration Files Linux Interview Questions

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Package Management using RPM

What is Package?

  • Package is the software that needs to be installed on Linux  system to add specific feature or service made available to the system.
  • Package can be  a  single executable binary file or can have multiple package file group as dependencies to  install a specific service to the Linux system.
  • When we are installing a Service or Software to the system need to identify all packages that required to be installed on the system called as Dependency Packages.

What is RPM?

  • Red Hat Package Manager (R PM ) utility is used to manage package in the Red Hat Linux Systems.
  • RPM utilit can not  resolve  dependencies automatically, hence need to  explicitly supply all dependency packages for installation of any specific application software.
  • When we used RPM utility to install packages , it uses /var/lib/rpm file to track of the currently installed version of pakcages for better management of packages.

How to see list of Packages installed on the System

[root@ ~]$rpm -qa
pth-2.0.7-23.amzn2.0.2.x86_64
kbd-misc-1.15.5-15.amzn2.noarch
hardlink-1.3-3.amzn2.x86_64
basesystem-10.0-7.amzn2.0.1.noarch
python-2.7.16-5.amzn2.x86_64

How to install a package using RPM

[root@ ~]$ rpm -ivh MySQL-client-3.23.57-1.i386.rpm Preparing... ########################################### [100%] 1:MySQL-client ########################################### [100%]

How to  remove a package using RPM

[root@ ~]$ rpm -e MySQL-client


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