Linux — Topic Index

Below is an index of articles grouped by topic. Click a heading to jump to the section.

DevOps

• Linux JDK Installation: Complete Guide
  • Complete guide to installing JDK on Linux, covering Oracle JDK, OpenJDK, and multiple Java versions.

Linux

• Caddy Systemd Service Restarts Forever: caddy run vs caddy start
  • Fix the Caddy systemd service restart loop caused by using ‘caddy start’ instead of ‘caddy run’ in the ExecStart directive.
• Compile and Execute C++ in One Step: Run C++ Like Go
  • Compile and Execute C++ in One Step - create a shell script to run C++ like Go’s go run command, with watch mode and modern C++ support.
• Creating systemd Service Files on Ubuntu: Complete Guide
  • How to create systemd service files on Ubuntu — unit file syntax, service types, environment variables, logging, and managing services with systemctl.
• Debugging C/C++ with LLDB
  • Using LLDB to debug C/C++ Programs
• Email Server Administration: Postfix, Dovecot, and TLS
  • A practical guide to administering a Postfix + Dovecot email server — configuration files, status checking, TLS setup, IMAP vs POP3, and debugging.
• Essential Bash Shell Shortcuts and Productivity Tips
• Fixing Library Not Found Errors in Linux: Complete Guide
  • Resolve dynamic library errors in Linux. Learn to identify, fix, and prevent library loading issues including version mismatches and missing dependencies.
• Git Config File: Format, Options, and Best Practices
  • A complete guide to Git’s config file format — local, global, and system configs, all key options, and practical examples for common setups.
• Git Usage: Complete Guide to Version Control
  • Complete guide to Git usage covering basics, branching, remote operations, and best practices.
• How to Install Software on Linux: Pack Source Builds
  • A complete guide to installing software on Linux — using package managers (apt, dnf, pacman), installing from source, and managing dependencies.
• Linux Shell Commands: A Practical Reference
  • A practical reference for essential Linux shell commands — process management, networking, file operations, text processing, and system monitoring.
• Linux System Monitoring Complete Guide 2026
  • Complete guide to Linux system monitoring. Learn about top, htop, sar, prometheus, grafana, and monitoring server performance.
• Linux服务器迁移清单完整指南
  • Linux服务器迁移完整清单，包括数据备份、配置迁移、服务迁移和验证步骤。
• Maintaining SSHD
  • Guide to installing, configuring, and maintaining the OpenSSH server (sshd) on Linux systems.
• Run a Script on Startup in Ubuntu (Systemd)
  • Run a Script on Startup in Ubuntu
• SQLite3 Command-Line Guide: Queries, Schema, and Administration
  • A complete SQLite3 command-line guide — dot commands, SQL queries, schema inspection, import/export, and practical administration.
• SSH Passwordless Login: Key-Based Authentication Setup
  • A complete guide to setting up SSH key-based authentication — generating keys, copying to remote hosts, managing multiple keys, and security best practices.
• Static and Dynamic Linking in Operating Systems
  • An overview of static and dynamic linking, their differences, advantages, and use cases in operating systems.
• strace: Linux System Call Tracer Complete Guide
  • strace is a powerful Linux command for tracing system calls and signals. Learn to debug, troubleshoot, and analyze program behavior.
• Sublime Text: Complete Setup Guide, Shortcuts, and Plugins
  • A complete Sublime Text guide — essential keyboard shortcuts, must-have plugins, configuration tips, and productivity features.
• systemd Basics
  • systemd Tutorials
• The History of Unix: Bell Labs, C, and the Foundation of Modern Computing
  • The story of Unix — how Bell Labs created the operating system that shaped all of modern computing, from C to Linux to macOS.
• The ss Command: Complete Guide to Socket Statistics in Linux
  • Master the ss command for network socket analysis. Learn to monitor TCP/UDP connections, filter socket states, and troubleshoot network issues effectively.
• Useful Shell Commands
  • Useful Shell Commands
• wget Command Guide: Downloading Files from the Command Line
  • A complete wget guide covering single and batch file downloads, recursive mirroring, authentication, rate limiting, and practical shell scripting examples.

Programming

• Creating C Libraries: Static and Dynamic Libraries Complete Guide
  • Learn how to create and use static and dynamic libraries in C on Linux.
• Makefile Guide: From Simple Templates to Real-World Patterns
  • A practical Makefile guide — from a simple C project template to real-world patterns for building, testing, and automating tasks in any language.

If you find missing articles or inaccurate groupings, run ./scripts/update_index.py with appropriate flags.