Love The Penguin
// also on this box: ./practice, ./tools and ./games
-rw-r--r-- 2026-10-10 00:39 #AI
Run Claude Code like a real engineering team: Opus as architect and senior, Sonnet as mid, Haiku as junior, failed tests climbing the ladder one level at a time, and a five-minute tool that staffs each project.
-rw-r--r-- 2026-10-08 13:30
By Konstantinos Patronas, kpatronas@gmail.com Every Linux admin has had this conversation: "The backup script works perfectly when I run it." "So why is last night's backup missing?" The script runs fine in…
-rw-r--r-- 2026-10-08 11:28
ttl is a Rust traceroute/mtr replacement with ASN lookup, ECMP path discovery, PMTU detection, trace diffing and a headless Prometheus mode. Here is what it does and when it is worth using over mtr.
-rw-r--r-- 2026-09-23 22:07 #Linux
One curl line that downloads a file only when the server has a newer one, and why -f, -R and friends are there.
-rw-r--r-- 2025-12-30 22:40 #Linux
In Linux systems, empty directories often accumulate over time — leftovers from removed applications, failed builds, or cleanup scripts…
cat finding-empty-directories-in-linux-with-one-command.md →
-rw-r--r-- 2025-12-15 22:00
When working in the terminal, backing up a file before editing it is a habit that saves time, nerves, and sometimes entire systems. There’s…
cat the-fastest-way-to-back-up-a-file-in-bash-youre-probably-not-using-it.md →
-rw-r--r-- 2025-11-01 20:23
If you often type commands in Greek and English, you might have noticed a common annoyance: typing Greek letters by mistake in the…
cat mistakenly-entered-a-command-in-terminal-in-greek-auto-switch-keyboard.md →
-rw-r--r-- 2025-10-31 21:52
RabbitMQ is a lightweight message broker that connects independent services through reliable message passing. It’s widely used in…
cat how-to-send-and-receive-data-with-rabbitmq-named-queues-in-python.md →
-rw-r--r-- 2025-10-11 20:21 #Linux
Assume the following problem, you have myriad of word files and you want to search inside files for a specific keyword and opening each…