Learn how to use the Linux grep command to search text patterns in files. Tutorial covers syntax, options, regex, and practical examples.
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Master Linux process management. Learn to find PIDs and use kill, pkill, and killall commands with SIGTERM or SIGKILL to safely terminate unresponsive tasks.
Master the Linux time command to measure process duration and CPU usage. Compare Bash built-ins vs. /usr/bin/time sys metrics.
Master the Linux telnet command for network troubleshooting. Learn how to install Telnet, test open ports, verify firewalls, and much more!
Master the Linux tar command with this guide. Learn syntax, essential flags, and examples for archiving, compressing, and extracting files efficiently.
Managing a Linux server effectively requires more than just installing software and keeping it online – it’s about knowing what’s happening behind the scenes. That’s where logs come in. Logs are one of the most powerful tools for maintaining, troubleshooting, and securing your system. Whether you’re investigating errors, improving performance, or preventing attacks, understanding Linux
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Finding the right file on a Linux server can be challenging at first. However, once you understand the structure of the file system and a few commands, it becomes much easier. In this guide, you will learn how to find files within Linux using simple, practical examples. Understanding the Linux File System In Linux, everything
Running a Linux server comes with responsibility: you need to harden your system to protect your data and prevent unauthorized access. This guide explains how to safeguard your server, defend against hackers, and maintain a strong security posture. Essential Security Steps 1. Keep Your System Updated Regular updates patch vulnerabilities and reduce security risks. Debian/Ubuntu:
Don’t let a full disk bring your server down. This guide teaches you how to check and manage disk space usage on your Linux server, covering fundamental commands like df and du, and advanced interactive tools like ncdu. Learn how to find the largest files, sort directories by size, and safely clean up your filesystem to maintain optimal performance.
Master the essential commands for monitoring and managing processes on your Linux VPS. This comprehensive guide walks you through using top, ps, htop, atop, and pstree to diagnose performance issues, track down resource hogs, and safely manage services without causing downtime. Learn the workflow for observing, acting, and verifying to keep your server healthy.
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