Don’t let your container runaway and starve the host
Container Basics On Linux (Namespaces/Cgroups) Don’t let your container runaway and starve the host 🧩 The Challenge Dealing with a rogue container that decides it needs every single CPU cycle...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Stop guessing why your custom binary is failing under SELinux
Security Hardening (SELinux/AppArmor/Auditd) Stop guessing why your custom binary is failing under SELinux Technical Briefing | 9/25/2026 Every time I roll out a custom Go binary to production, there is...
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See which process is eating your I/O for breakfast
Process & Resource Monitoring (Top/Htop/Ps/Systemd) See which process is eating your I/O for breakfast 🧩 The Challenge Everything on the box suddenly turns into molasses and htop shows barely any...
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Stop your Linux box from being a lazy memory hoarder
Performance Tuning & Kernel Parameters (Sysctl) Stop your Linux box from being a lazy memory hoarder 🧩 The Challenge Dealing with a server that starts swapping to disk even when...
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Stop rpm from choking on missing dependencies during manual installs
Package Management (Apt/Dnf/Pacman Internals) Stop rpm from choking on missing dependencies during manual installs 🧩 The Challenge Everyone has been there: you download a specific vendor RPM that is supposed...
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Tame your wild SSH connections
SSH & Remote Administration Tame your wild SSH connections 🧩 The Challenge Ever found yourself typing out a ridiculously long SSH command? Like, specifying a custom port, a different username,...
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Stop running commands blind, log and watch at the same time
Shell Scripting / Bash Tricks Stop running commands blind, log and watch at the same time 🧩 The Challenge Ever kick off a long process, but you *really* need to...
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That `set -e` at the top of your script isn’t always doing what you think.
Shell Scripting & Automation That `set -e` at the top of your script isn’t always doing what you think. Technical Briefing | 9/24/2026 Most of us have a go-to template...
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Your shell prompt is probably holding you back
Environment & Shell Customization (Aliases/Functions/.Bashrc) Your shell prompt is probably holding you back 🧩 The Challenge Ever found yourself running a risky command on the wrong server because the prompt...
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That LVM Snapshot Backup? Have You Tried Recovering From It?
Backup, Snapshotting & Disaster Recovery That LVM Snapshot Backup? Have You Tried Recovering From It? Technical Briefing | 9/24/2026 We’ve all been there: you set up your LVM snapshots, configure...