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

Adding additional storage volumes

Additional server storage space will likely be required at some time. The capacity of a server can be expanded by installing more hard drives, either on a standalone machine or by using cloud computing. Whatever its name may be, we’ll need to find out how to format and mount the device before we can use the additional space.

Using LVM (which we will cover later in this chapter), we can easily add space to an existing volume without restarting the server. However, there is an overarching procedure that must be followed when introducing a new device. The following are a few things to consider while upgrading your system’s storage capacity:

  • Can you tell me how much space you’ll need? If there is enough free space in your hypervisor’s storage pool, you can create a virtual disk of any size you like.
  • How do you want to call it? Disks are typically labeled with increasing last numbers of their respective names ...