Book Image

Linux for System Administrators

By : Viorel Rudareanu, Daniil Baturin
Book Image

Linux for System Administrators

By: Viorel Rudareanu, Daniil Baturin

Overview of this book

Linux system administration is an essential aspect of maintaining and managing Linux servers within an organization. The role of a Linux system administrator is pivotal in ensuring the smooth functioning and security of these servers, making it a critical job function for any company that relies on Linux infrastructure. This book is a comprehensive guide designed to help you build a solid foundation in Linux system administration. It takes you from the fundamentals of Linux to more advanced topics, encompassing key areas such as Linux system installation, managing user accounts and filesystems, networking fundamentals, and Linux security techniques. Additionally, the book delves into the automation of applications and infrastructure using Chef, enabling you to streamline and optimize your operations. For both newcomers getting started with Linux and professionals looking to enhance their skills, this book is an invaluable hands-on guide with a structured approach and concise explanations that make it an effective resource for quickly acquiring and reinforcing Linux system administration skills. With the help of this Linux book, you’ll be able to navigate the world of Linux administration confidently to meet the demands of your role.
Table of Contents (21 chapters)
1
Part 1: Linux Basics
7
Part 2: Configuring and Modifying Linux Systems
13
Part 3: Linux as a Part of a Larger System

How to delete an account

When a user no longer needs access to a system, it is highly necessary to remove or disable their account because unmanaged accounts frequently become a security concern. This can be done by logging in to the system’s administration panel and selecting the Accounts tab. We will make use of the userdel command in order to delete a user account. However, before you go and delete an account, there is one crucial question that you should consult with yourself about. Do you (or someone else) anticipate needing access to the user’s files in some capacity? The vast majority of businesses have retention policies that outline what ought to take place with regard to a user’s data in the event that they depart the organization. These files are occasionally duplicated and saved in an archive for long-term preservation. It’s not uncommon for a manager, a coworker, or a new employee to require access to a previous user’s files, possibly...