Linux System Monitoring Complete Guide 2026
Complete guide to Linux system monitoring. Learn about top, htop, sar, prometheus, grafana, and monitoring server performance.
Linux
Static and Dynamic Linking in Operating Systems
An overview of static and dynamic linking, their differences, advantages, and use cases in operating systems.
Essential Bash Shell Shortcuts and Productivity Tips
Introduction
Mastering Bash shortcuts transforms the terminal from a place you type slowly into a place you work fast. These shortcuts are built into โฆ
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.
Run a Script on Startup in Ubuntu (Systemd)
Run a Script on Startup in Ubuntu
Email Server Administration: Postfix, Dovecot, and TLS
A practical guide to administering a Postfix + Dovecot email server โ configuration files, status checking, TLS setup, IMAP vs POP3, and debugging.
systemd Basics
systemd Tutorials
Creating systemd Service Files on Ubuntu: Complete Guide
How to create systemd service files on Ubuntu โ unit file syntax, service types, environment variables, logging, and managing services with systemctl.
Caddy Server: Complete Static Website Configuration Guide
A complete guide to configuring Caddy server for static websites โ HTTPS, compression, logging, caching, redirects, and reverse proxy examples.
Maintaining SSHD
Guide to installing, configuring, and maintaining the OpenSSH server (sshd) on Linux systems.
Debugging C/C++ with LLDB
Using LLDB to debug C/C++ Programs
SQLite3 Command-Line Guide: Queries, Schema, and Administration
A complete SQLite3 command-line guide โ dot commands, SQL queries, schema inspection, import/export, and practical administration.
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.
The History of Unix: Bell Labs, C, and the Foundation of Modern Computing
The story of Unix โ how Bell Labs created the operating system that shaped all of modern computing, from C to Linux to macOS.
How to quit telnet easily?
First Step
Ctrl+]
# you will enter telnet prompt
telnet>
Now! the connection to the server still alive!
Second step
# type quit or Ctrl+D
# you โฆLinux LVM (Logical Volume Manager): Complete Guide
Master Linux LVM to flexibly manage disk space. Learn about PV, VG, LV concepts, creation, resizing, snapshots, and production best practices.
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.
Linux JDK Installation: Complete Guide
Complete guide to installing JDK on Linux, covering Oracle JDK, OpenJDK, and multiple Java versions.
Iptables
Iptables router
Iptables Rules Setup CentOS6
CentOS้ป่ฎค้ฒ็ซๅข่งๅ่งฃ้๏ผCentOS Default Iptables Rules
Iptables More Strict
ๅๅนถ็ฎๅๅ็้ ็ฝฎๆไปถ
[root@ctos ~]# cat /etc/sysconfig/iptables
# Generated by iptables-save v1.4.7 on Wed Aug 5 20:11:35 2015
*filter
:INPUT DROP [3:635] โฆShellๅญ็ฌฆไธฒๆไฝๅฎๅ จๆๅ
ๆทฑๅ ฅๅญฆไน Shellๅญ็ฌฆไธฒๆไฝ๏ผๅ ๆฌ่ทๅ้ฟๅบฆใๆชๅใๆฟๆขใๆจกๅผๅน้ ็ญๅธธ็จๆๅทงใ
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.
Linux Multi IP Setup
LinuxไธๅคไธชIP่ฎพ็ฝฎ๏ผLinux Multi IP Setup
The dig Command: Complete Guide to DNS Queries in Linux
Master the dig command for DNS lookups. Learn query types, tracing, troubleshooting, and advanced DNS diagnostic techniques.
Sublime Text: Complete Setup Guide, Shortcuts, and Plugins
A complete Sublime Text guide โ essential keyboard shortcuts, must-have plugins, configuration tips, and productivity features.
Linux Shell Commands: A Practical Reference
A practical reference for essential Linux shell commands โ process management, networking, file operations, text processing, and system monitoring.
CURL Command Usage โ Complete Guide to Making HTTP Requests
Comprehensive guide to CURL with core concepts, practical examples, debugging techniques, and best practices for making HTTP requests from the command line.
Git Usage: Complete Guide to Version Control
Complete guide to Git usage covering basics, branching, remote operations, and best practices.
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.
The df Command: Complete Guide to Checking Disk Space in Linux
Master the df command in Linux to monitor disk usage, identify storage issues, and manage file systems effectively. Includes practical examples and advanced usage.
Creating C Libraries: Static and Dynamic Libraries Complete Guide
Learn how to create and use static and dynamic libraries in C on Linux.
Git Config File: Format, Options, and Best Practices
A complete guide to Git's config file format โ local, global, and system configs, all key options, and practical examples for common setups.
Makefile Guide: From Simple Templates to Real-World Patterns
A practical Makefile guide โ from a simple C project template to real-world patterns for building, testing, and automating tasks in any language.
Useful Shell Commands
Useful Shell Commands
VirtualBox Host-Only Network Setup
VirtualBox Host-Only Network Setup
How to Install Software on Linux: Pack Source Builds
A complete guide to installing software on Linux โ using package managers (apt, dnf, pacman), installing from source, and managing dependencies.
Linuxๆๅกๅจ่ฟ็งปๆธ ๅๅฎๆดๆๅ
Linuxๆๅกๅจ่ฟ็งปๅฎๆดๆธ ๅ๏ผๅ ๆฌๆฐๆฎๅคไปฝใ้ ็ฝฎ่ฟ็งปใๆๅก่ฟ็งปๅ้ช่ฏๆญฅ้ชคใ
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.
SSH Passwordless Login: Key-Based Authentication Setup
A complete guide to setting up SSH key-based authentication โ generating keys, copying to remote hosts, managing multiple keys, and security best practices.