Stop letting variable names make your scripts a mess with local scopes
Shell Scripting / Bash Tricks Stop letting variable names make your scripts a mess with local scopes 🧩 The Challenge You ever write a function, change a variable inside it,...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Stop using backticks for command substitution: your shell is begging you to switch
Shell Scripting & Automation Stop using backticks for command substitution: your shell is begging you to switch Technical Briefing | 10/15/2026 I still see scripts in production that look like...
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Stop letting your SSH session hang forever when a connection dies
SSH & Remote Administration Stop letting your SSH session hang forever when a connection dies 🧩 The Challenge Everyone has had their SSH terminal freeze mid-sentence because the laptop went...
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Stop letting group-write bit turn your directories into a free-for-all
Permissions & Security (Chmod/Chown/ACLs/SELinux/AppArmor) Stop letting group-write bit turn your directories into a free-for-all 🧩 The Challenge You’ve probably spent an hour hunting down why some genius deleted a production...
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That volumeMounts line? It’s secretly messing with your host: Taming mount propagation in containers
Container & Kubernetes Internals That volumeMounts line? It’s secretly messing with your host: Taming mount propagation in containers Technical Briefing | 10/14/2026 You’ve dropped a volumeMount into your Kubernetes YAML...
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Run your commands in a private sandbox
Container Basics On Linux (Namespaces/Cgroups) Run your commands in a private sandbox 🧩 The Challenge Ever had a script or command act weird, and you suspect it’s seeing some random...
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Stop running into shell variable nightmares with indirect expansion
Shell Scripting / Bash Tricks Stop running into shell variable nightmares with indirect expansion 🧩 The Challenge Dealing with dynamic variable names in scripts is a nightmare when you have...
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Stop guessing which socket is hogging your memory
Networking & Firewall (Ss/Netstat/Iptables/Nftables/Curl) Stop guessing which socket is hogging your memory 🧩 The Challenge Dealing with a service that suddenly climbs in memory usage and you can’t figure out...
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Stop the kernel from tripping over firmware it cannot find
Kernel News & Module Management Stop the kernel from tripping over firmware it cannot find Technical Briefing | 10/14/2026 You probably think your kernel knows exactly which modules it needs...
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Stop hunting for the process locking your users out
User & Group Management Stop hunting for the process locking your users out 🧩 The Challenge Dealing with a user who cannot log in because their account is locked is...