In this category, you can see all articles related to Unix or Linux operating System.
Kernel News & Module Management Stop the kernel from loading drivers you thought you disabled Technical Briefing | 10/12/2026 You spend all morning blacklisting a problematic driver in modprobe.d, verify...
Environment & Shell Customization (Aliases/Functions/.Bashrc) Stop your shell history from leaking sensitive passwords 🧩 The Challenge You are midway through debugging a remote DB connection and you type out your...
Text Processing (Grep/Sed/Awk) Stop wrestling with fixed-width logs using cut 🧩 The Challenge Dealing with those ancient log files where columns are aligned by spaces instead of tabs is a...
Backup & Recovery (Rsync/Tar/Dd) Keep your metadata from going AWOL when you restore backups 🧩 The Challenge You finally spent all afternoon wrestling a backup to disk, only to find...
Container Basics On Linux (Namespaces/Cgroups) Stop mount namespace leaks from slowing down your host 🧩 The Challenge You ever notice your system getting sluggish when running heavy CI pipelines or...
User & Group Management Stop user sessions from holding onto dead locks 🧩 The Challenge Ever tried to delete a user account only to get slapped with a “user is...
Logging & Journald Stop journald from dumping your binary logs into a black hole 🧩 The Challenge Dealing with binary log files is a total nightmare when you need to...
Disk & Filesystem Management (Du/Df/Lsblk/Fstrim) Find out why your thin-provisioned disk is lying to your cloud provider 🧩 The Challenge Ever notice your cloud dashboard says you’re using 100GB but...
Text Processing (Grep/Sed/Awk) Stop using heavy regex when awk handles fields better 🧩 The Challenge Dealing with logs where the data you need isn’t at the start of the line...
Shell Scripting / Bash Tricks Stop letting your bash scripts lie to you about empty arrays 🧩 The Challenge You write a script to process a list of files, but...