In this category, you can see all articles related to Unix or Linux operating System.
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...
Package Management (Apt/Dnf/Pacman Internals) Stop waiting for dnf to hit every mirror in the country 🧩 The Challenge Dealing with a slow repo mirror that dnf keeps trying to hit...
Text Processing (Grep/Sed/Awk) Stop manually scrubbing your logs for field-specific values 🧩 The Challenge You are staring at a massive server log trying to pull out every unique source IP...
Logging & Journald See what happened since the last boot (and more) 🧩 The Challenge You’ve just rebooted a server because something was acting up, and now you need to...
Container Basics On Linux (Namespaces/Cgroups) Peek inside a containers namespace without losing your sanity 🧩 The Challenge You’re staring at a container that refuses to connect to a service, and...
Systemd & Service Management Stop systemd from silently waiting for units that will never start Technical Briefing | 9/24/2026 We have all been there. You run a deployment script, restart...
Environment & Shell Customization (Aliases/Functions/.Bashrc) Kill your zombie SSH sessions with a custom shell function 🧩 The Challenge You finally kill a hung background job, but your shell is still...
Backup & Recovery (Rsync/Tar/Dd) Don’t lose your metadata when backing up to a flat archive 🧩 The Challenge You finally got around to creating a tarball of your project directories...
Container & Kubernetes Internals Stop the CFS quota from strangling your low-latency workloads Technical Briefing | 9/24/2026 You set your CPU limits in Kubernetes, and you feel good about it....
Logging & Journald Stop letting your system logs hide in the past 🧩 The Challenge You know that feeling when you’re staring at journalctl and it just keeps scrolling back...