Book Image

CentOS Quick Start Guide

By : Shiwang Kalkhanda
Book Image

CentOS Quick Start Guide

By: Shiwang Kalkhanda

Overview of this book

Linux kernel development has been the worlds largest collaborative project to date. With this practical guide, you will learn Linux through one of its most popular and stable distributions. This book will introduce you to essential Linux skills using CentOS 7. It describes how a Linux system is organized, and will introduce you to key command-line concepts you can practice on your own. It will guide you in performing basic system administration tasks and day-to-day operations in a Linux environment. You will learn core system administration skills for managing a system running CentOS 7 or a similar operating system, such as RHEL 7, Scientific Linux, and Oracle Linux. You will be able to perform installation, establish network connectivity and user and process management, modify file permissions, manage text files using the command line, and implement basic security administration after covering this book. By the end of this book, you will have a solid understanding of working with Linux using the command line.
Table of Contents (11 chapters)

Creating custom repositories

Creating a YUM repository is one of the easiest and best ways to install software or security updates on multiple systems over LAN. We can download all the packages from the internet repository or from the DVD and host them on the local server, which will be known as the YUM server. Other Linux machines on the LAN can be configured to download the required packages from the local YUM server and they will be known as the YUM clients. This saves internet bandwidth, provides offline installation of packages to clients, and speeds up the update process.

In this section, we will create a custom repository of the packages shipped in the CentOS 7 DVD and share this repository to clients using an FTP server, as follows:

  1. Mount the media containing the packages. In our case, it will be the CentOS 7 DVD, as shown here:
  1. Install the FTP server package, vsftpd...