Linux
Linux Tutorials
ls Command in Linux: The Complete Guide with Examples
Master the ls command in Linux with this complete guide. Learn essential options, advanced techniques, common mistakes, and real-world examples from 15 years of system administration.
How to Use Ping Command in Linux: Complete Guide with Examples
Master the Linux ping command for network troubleshooting. Learn ICMP basics, essential options, practical examples, and advanced techniques from a sysadmin with 10+ years experience.
How to Check CPU Usage in Linux: The Complete Guide
Master Linux CPU monitoring with top, htop, and mpstat. Learn to troubleshoot high CPU usage, understand load average, and identify performance bottlenecks.
How to Check Disk Usage in Linux: The Definitive Guide
Master Linux disk space management with df, du, and ncdu. Learn to find space hogs, troubleshoot disk full errors, and monitor usage like a pro.
How to Schedule Cron Jobs in Linux: Automate Like a Pro
Learn how to schedule cron jobs in Linux with this complete guide. Includes syntax examples, common mistakes to avoid, troubleshooting tips, and real-world automation patterns.
How to Check Open Ports in Linux: The Complete Guide
Learn how to check open ports in Linux with ss, netstat, lsof, and nmap. Complete guide with practical examples, troubleshooting tips, and security best practices for 2025.
How to Kill a Process in Linux: Complete Guide with Examples
Learn how to kill a process in Linux with kill, killall, and pkill commands. Complete guide covering SIGTERM vs SIGKILL signals, zombie processes, and best practices for process management.
How to Add and Manage Users in Linux: Complete Guide
Learn how to add, modify, and manage users in Linux with useradd, usermod, and userdel commands. Complete guide with examples, best practices, and security tips.
DeFi Yield Farming Guide: How I Make 30-40% APY Without Getting Rugged
Learn DeFi yield farming from someone who lost $100k before figuring it out. Real strategies for 30-40% APY, risk management, and the protocols that actually work in 2025.
How to Find Crypto Arbitrage Opportunities Without Getting Destroyed
Learn how to find and execute profitable crypto arbitrage trades from someone who turned 0k into 7k. Real strategies, tools, and warnings about what actually works in 2025.
Linux ln Command: Mastering Hard Links and Symbolic Links
Complete guide to the Linux ln command with practical examples. Learn the difference between hard links and symbolic links, when to use each, and master file linking in Linux.
Linux tar Command Examples: Complete Beginner-Friendly Guide
Master the Linux tar command with practical examples. Learn to create, extract, and manage compressed archives with this complete 2025 guide for beginners.
Linux Find Command Examples: The Complete Guide to File Searching
Master the Linux find command with practical examples and real-world use cases. Learn to search files by name, size, permissions, and time. Complete 2025 guide with advanced techniques.
How to Fix “sudo: command not found” Error on Linux
Encountering "sudo: command not found" on Linux? Learn how to fix this error with step-by-step solutions for all distributions, from installing sudo to fixing PATH issues.
Linux chmod Command: Complete Guide with Real-World Examples
Master the Linux chmod command with practical examples. Learn symbolic and numeric modes, common permission patterns, and avoid security mistakes. Complete 2025 guide.
Linux grep Command Examples and Use Cases
Master the Linux grep command with practical examples and real-world use cases. Learn essential options, regex patterns, and advanced techniques for searching text like a pro.
Linux grep Command: Search Files Like a Pro (With Examples)
Master the Linux grep command with practical examples and real-world use cases. Learn search techniques, regex patterns, and pro tips to find text in files efficiently.
Systemctl Restart vs Reload: Understanding the Critical Difference
Learn the crucial difference between systemctl restart and reload commands. Discover when to use each for zero-downtime updates and proper Linux service management.
Help! My Linux Disk is Full! A Step-by-Step Guide to Finding and Freeing Up Space
Help! My Linux Disk is Full! A Step-by-Step Guide to Finding and Freeing Up Space It’s a feeling many Linux ...
My Server Felt Slow: A Deep Dive into Troubleshooting Linux CPU Usage with htop and perf
My Server Felt Slow: A Deep Dive into Troubleshooting Linux CPU Usage with htop and perf Hey everyone, Alice here! ...
