Discover the ten most common Linux kernel processes, from memory management with kswapd0 to I/O handling by aio, and learn how each thread functions, why they appear in brackets, and what role they play in system performance and stability.
The article explains why an Android app may start several processes, causing Application.onCreate() to execute multiple times, and presents various techniques—including android:process configuration, process‑specific initialization, getRunningAppProcesses(), UsageStatsManager, and the AndroidProcesses library—to reduce startup latency and manage running processes across different Android versions.
This article explains the concepts of zombie and orphan processes in Unix/Linux, analyzes a real‑world PHP‑FPM incident where thousands of zombie processes exhausted system resources, and presents diagnostic steps, testing procedures, and preventive coding practices to avoid such issues.
This guide compiles eleven powerful Linux terminal shortcuts and commands—including cursor editing keys, sudo shortcuts, background job control, nohup, at scheduling, man page tweaks, htop, ranger, shutdown cancellation, process killing, REISUB, and youtube‑dl—designed to boost productivity and streamline everyday command‑line tasks.
This article explains how Linux server programs run as daemons, covering logging mechanisms, syslog usage, user and group IDs, process groups and sessions, resource limit management, and techniques for changing working directories and chrooting.
This guide explains how Nginx modules are organized, how to view and select available modules with ./configure --help, add third‑party modules using the --add-module option, and understand Nginx’s single‑process and master‑worker process models.
Learn how to effectively use the Linux killall command to terminate processes, including basic usage, case‑insensitive matching, interactive prompts, quiet mode, signal selection, and handling long‑named processes, with step‑by‑step examples and visual illustrations.
This article explains how to use the Linux top command for real‑time system and process monitoring, covering its interface, statistical and process sections, interactive shortcuts, command‑line options, and internal commands to customize and sort the displayed information.
This guide walks through essential Linux process‑monitoring tools—ps, top, and htop—detailing their options and output fields, and explains process control techniques using kill, killall, and job‑control commands, helping readers efficiently view, sort, and manage system processes.
This article explains php-fpm’s three process management modes—ondemand, dynamic, and static—detailing their operation principles, configuration requirements, and the advantages and disadvantages of each for high‑traffic web services.
Learn the essential concepts of Linux processes, including their lifecycle, various states, key management commands like ps, top, kill, and pgrep, and how to interpret process information from /proc, enabling effective system monitoring and control.
This article explains what zombie processes are in Linux, how they are created when a child exits without its parent calling wait, demonstrates their detection with ps, provides sample C code to reproduce and handle them, and shows techniques to avoid their accumulation.
This article explains Linux process management fundamentals, covering process concepts, lifecycle, threads, priority and nice values, context switching, interrupt handling, process states, memory segments, and the O(1) CPU scheduler, providing clear insights into kernel behavior and system performance.
The article explains how zombie processes are created when a child exits without its parent calling wait/waitpid, outlines the risks of accumulating zombies, and provides several practical techniques—including signal handling and sigaction flags—to prevent or automatically reap them.
This guide explains two powerful Linux commands that instantly terminate all Oracle-related processes and clean up shared memory, providing a quick recovery method for stuck Oracle databases while warning of the risks involved.
This article, translated from IBM’s RedBook, explains Linux process management fundamentals—including process lifecycle, threads, priorities, context switching, interrupt handling, process states, memory layout, and the O(1) scheduler—providing clear insights into how the kernel handles processes and impacts system performance.
This article explains how to run a Node.js web application as a Linux daemon, covering foreground/background jobs, SIGHUP handling, disown, nohup, terminal multiplexers like screen and tmux, and dedicated tools such as forever, nodemon, pm2, and systemd for reliable service management.
Midway 5, the latest version of Taobao's Node.js web framework, introduces a plugin‑centric design, refined process management, and upgraded compatibility strategies, offering developers a more stable and modular foundation for building large‑scale applications.
This article shares practical Erlang optimization techniques for game back‑ends, covering node architecture choices, efficient message broadcasting, caching strategies, process design, code conventions, automation, monitoring, and profiling tools to improve performance and maintainability.
Learn how to list all processes, filter by user, sort by CPU or memory usage, display top results, and visualize process hierarchies using Linux's ps command suite, with clear examples and screenshots to help you master system monitoring.
This guide explains how to identify a compromised Linux server caused by hidden cryptocurrency mining malware, kill the malicious processes, clean infected files, and harden the system by reviewing scheduled tasks, startup scripts, user accounts, and SSH configurations.
This guide explains what the slay command‑line tool does, how to install it on major Linux distributions, and provides step‑by‑step usage examples for terminating every process belonging to a chosen user with administrative privileges.
This article explains what zombie processes are in Unix/Linux, shows how to list and count them using ps and top, provides commands to terminate them by killing their parent or sending signals, and offers strategies such as ignoring SIGCHLD or double‑forking to prevent their creation.
