Linux Process and Service Management: Understanding Processes, System Services, Resource Usage, Scheduling, Logs, and System Performance - Westwood, Nathan
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NT$ 765
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Linux Process and Service Management: Understanding Processes, System Services, Resource Usage, Scheduling, Logs, and System Performance
Westwood, Nathan
Synopsis "Linux Process and Service Management: Understanding Processes, System Services, Resource Usage, Scheduling, Logs, and System Performance"
Understand what your Linux system is doing — and learn how to control it safely. A Linux server is never truly idle. Processes are being created, scheduled, paused, terminated, and monitored. Services depend on other services. Applications consume CPU, memory, storage, and network resources. Logs record events that may reveal the difference between a simple restart and a serious incident. When a server becomes slow or a service fails, the answer is rarely found by randomly running commands. Professional administrators investigate. They identify the affected component, collect evidence, understand system behavior, make controlled changes, and verify the result. Linux Process and Service Management provides a practical guide to understanding, managing, troubleshooting, and optimizing Linux systems in real operational environments. Inside this comprehensive guide, you will learn how to: Understand how Linux processes are created, scheduled, and terminated Work with PIDs, parent processes, threads, process states, and process trees Analyze running programs using tools such as ps, top, pgrep, pstree, and /proc Understand foreground jobs, background tasks, signals, and safe process control Manage process priority, scheduling behavior, CPU affinity, and resource placement Diagnose CPU, memory, storage, and I/O performance problems Understand Linux services, daemons, startup behavior, and shutdown procedures Master systemd concepts including units, dependencies, targets, timers, and service states Create and harden systemd service units using security and resource controls Troubleshoot failed services using evidence from status output, configurations, processes, and logs Use journalctl to investigate incidents and build accurate timelines Automate recurring work using cron, at, and systemd timers Apply professional operational practices for monitoring, documentation, and change management You will learn a structured troubleshooting method: Observe → Define → Hypothesize → Measure → Test → Isolate → Fix → Verify → Document This approach helps you avoid common administrative mistakes, such as killing the wrong process, restarting services without investigation, or changing configurations without understanding the impact. The book covers both the technical tools and the reasoning behind them. You will learn why a process consuming CPU may not be the real problem, why a running service may still be unhealthy, why logs must be interpreted as evidence, and why safe administration requires understanding dependencies and system state. Whether you are a Linux beginner, system administrator, DevOps engineer, cloud engineer, IT support professional, or certification learner, this guide will help you develop the practical skills required to operate reliable Linux environments. Learn how Linux works beneath the surface — and manage systems with confidence.
