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)
Part 1: Linux Basics
Part 2: Configuring and Modifying Linux Systems
Part 3: Linux as a Part of a Larger System

How does log data get sent and gathered?

It’s easy to send and gather log data. Syslog is a protocol used for sending and gathering log data in computer networks. It is a standard protocol that allows different devices to send log messages to a central logging server or device.

Here’s how it typically works:

  1. A device generates a log message. This could be a server, network device, application, or any other device that generates logs.
  2. The device sends the log message to a syslog server using the syslog protocol. The syslog server can be located on-premises or in the cloud.
  3. The syslog server receives the log message and processes it. It can store the log message in a file or database, or forward it to other systems for further analysis.
  4. The syslog server can also apply filters and rules to the log messages it receives. For example, it can discard log messages that are not relevant or send an alert when a critical error occurs.
  5. System administrators...