linux-performance-troubleshooting.hashnode.devLinux Server Hardening GuideServer hardening is the process of securing a Linux system by reducing vulnerabilities and strengthening configurations. Below is a step-by-step guide to hardening a Linux server. 1️⃣ Keep the System Updated Always keep your system and installed pac...Mar 18, 2025·3 min read
linux-performance-troubleshooting.hashnode.devOptimizing Linux Performance: A Guide to Kernel Parameter TweakingIntroduction Linux kernel parameters are like the hidden switches that control how your system behaves. Tuning these settings can make your system faster, more responsive, and more stable—whether you’re running a web server, a database, or just a per...Feb 27, 2025·4 min read
linux-performance-troubleshooting.hashnode.devUnderstanding Sticky Bit, ACLs, and Special Permissions in LinuxIntroduction When working with files and directories in Linux, you may come across special permissions like sticky bit, ACLs (Access Control Lists), setuid, and setgid. These permissions allow for more control over file access beyond the standard rea...Feb 27, 2025·4 min read
linux-performance-troubleshooting.hashnode.devComprehensive Guide to Cron Jobs in LinuxIntroduction If you've ever wished your Linux system could do things automatically—like backing up files, sending reports, or running scripts at specific times—cron jobs are the answer. Cron is a built-in scheduler that allows you to automate tasks e...Feb 27, 2025·3 min read
linux-performance-troubleshooting.hashnode.devLinux Performance Analysis for Beginners: A Quick GuideIf your Linux system is running slow, how do you find out what's wrong? This guide will help beginners analyze Linux performance step by step using simple tools. In just a minute, you can check CPU, memory, disk, and network performance using a few b...Feb 27, 2025·4 min read