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Linux System Administration Essentials: A Practical Guide to Processes, Packages, Logs, Disk Management, Services, systemctl, and Task Automation
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- Linux System Administration Essentials is the third book in the Practical Linux Series – a hands-on learning path built for anyone who works with Linux, from developers and DevOps engineers to IT professionals and aspiring system administrators.In Book 1, you mastered the terminal and essential commands. In Book 2, you learned how Linux organises files, permissions, users, and groups. Now it is time to learn how Linux systems are actually managed in the real world.Every Linux system depends on processes, software packages, logs, storage, services, and automation. Understanding how these components work together is what separates casual Linux users from professional administrators.In this practical, hands-on guide, you will learn how to:• Manage Processes – Monitor running programs, investigate performance problems, identify resource-heavy applications, and safely terminate misbehaving processes using ps, top, htop, kill, and pkill.• Handle Packages – Install, update, remove, and troubleshoot software using apt while keeping your system secure and up to date.• Investigate Logs – Diagnose system problems using journalctl, dmesg, tail -f, and traditional log files to understand what is really happening behind the scenes.• Manage Disks – Monitor storage usage, identify large files, understand partitions and filesystems, and safely mount and unmount storage devices.• Control Services – Start, stop, restart, enable, disable, and troubleshoot services using systemctl and systemd.• Automate Tasks with Cron – Schedule recurring maintenance, backups, monitoring, and administrative tasks while avoiding common cron pitfalls.This book focuses on practical administration skills through real-world examples, guided troubleshooting workflows, hands-on exercises, administrator-focused insights, and quick-reference cheat sheets.Who This Book Is ForThis book assumes you have completed Books 1 and 2 or already understand basic Linux navigation, file management, permissions, users, and sudo.It is ideal for aspiring system administrators, cloud engineers, DevOps practitioners, IT support professionals, cybersecurity students, and anyone who wants to manage Linux systems confidently in production environments.Practical Linux Series• Book 1: Linux Foundations – From Zero to Terminal Confidence• Book 2: Linux File System And Permissions Mastery- Permissions, Users, and Groups• Book 3: Linux System Administration Essentials – Processes, Packages, Logs, Services, and Automation• Book 4: Linux Networking and Remote AdministrationStart with Book 1 if you are new to Linux and progress through the series to build a complete foundation in Linux administration.
| Publisher | Independently published |
| Publication date | June 14, 2026 |
| Language | English |
| Print length | 177 pages |
| ISBN-13 | 979-8181491564 |
| Item Weight | 11.5 ounces (326.03 grams) |
| Dimensions | 6 x 0.4 x 9 inches (15.2 x 1 x 22.9 cm) |
| Book 3 of 4 | The Practical Linux Series |
Product Description
Linux System Administration Essentials: A Practical Guide to Processes, Packages, Logs, Disk Management, Services, systemctl, and Task Automation with Cron (The Practical Linux Series)
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