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)

Using Linux networking commands

This section discuss the various networking commands and basic utilities that are used to display or modify the existing network configurations.

Viewing IP address details

In CentOS 7, we have three major utilities to display the device and address information:

  • Newer IP command (/sbin/ip)
  • Almost obsolete ifconfig command from net-tools package (/sbin/ifconfig)
  • Versatile netstat command (/usr/bin/netstat)

Using the IP command

The ip is a very powerful utility that is used to perform many tasks. Multiple older utilities such as ifconfig...