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)

User and Group Management

Linux is a multiuser OS, so it is essential to have a basic understanding of user management. In this chapter, you will learn how to add, delete, modify, and suspend user accounts and grant them permissions to perform essential tasks. You will also learn how to apply password policies in a Linux environment.

In this chapter, we will cover the following:

  • Understanding different types of users and groups in CentOS 7
  • Executing commands as a superuser in CentOS 7
  • Creating, modifying, and deleting local user accounts
  • Creating, modifying, and deleting local group accounts
  • Managing user passwords and aging policies