In this category, you can see all articles related to Unix or Linux operating System.
Cron & Task Scheduling (Cron/Systemd Timers/At) Use systemd-run to test your cron jobs in their actual environment 🧩 The Challenge You finally fixed that script that fails every Wednesday morning,...
Logging & Journald Stop guessing what that massive log burst was actually doing 🧩 The Challenge Dealing with a production spike where the logs are flying by so fast you...
Shell Scripting / Bash Tricks Debugging Bash Scripts Without Extra Scripts 🧩 The Challenge You’ve got a bash script that’s going haywire, but you don’t want to litter it with...
Container Basics On Linux (Namespaces/Cgroups) Isolated network testing in a blink 🧩 The Challenge You’re debugging some gnarly network problem with a service, and you just need to test a...
Observability & Logging (Journald, EBPF Tracing) Stop the silent death of your logs when journald hits the rate limit Technical Briefing | 10/1/2026 I was once debugging a service that...
Environment & Shell Customization (Aliases/Functions/.Bashrc) Stop typing full paths when you work across multiple environments 🧩 The Challenge You ever spend all day jumping between staging and production, only to...
Cron & Task Scheduling (Cron/Systemd Timers/At) Stop your cron jobs from clobbering each other 🧩 The Challenge You ever have a script that takes five minutes to run, but you...
Package Management & Distro Internals (Apt/Dnf/Pacman) Stop fighting the dpkg post-install script loop Technical Briefing | 10/1/2026 You are mid-upgrade, it is 2 AM, and apt is stuck on a...
Process & Resource Monitoring (Top/Htop/Ps/Systemd) Catch zombie processes before they clutter your process table 🧩 The Challenge You look at your load average and see it climbing, but top shows...
Shell Scripting / Bash Tricks Stop your bash loops from losing variables in pipes 🧩 The Challenge You finally wrote a clean loop to process a file, but then you...