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)

Linux networking concepts

A network is a group of two or more computers or computing devices connected using any communication media, such as cables or wireless media. These devices may be located in the same geographical location or spread across the world. A network environment provides these three services:

  • Enables connected devices to communicate with each other
  • Enables multiple users to share devices such as printers, copiers, scanners, and so on over the network
  • Enables the sharing of files and managing of information across computers

Most organizations use two types of network: one for communication with internal staff and another for the outside world. Intranet is the term used to define communication within the internal network of an organization and internet is used for external communication. The internet is also the largest network in the world and is popularly known...