Love The Penguin

In Linux systems, empty directories often accumulate over time — leftovers from removed applications, failed builds, or cleanup scripts that didn’t fully run.

Copy a Directory Structure, Transfer Nothing!

When working in the terminal, backing up a file before editing it is a habit that saves time, nerves, and sometimes entire systems.

If you often type commands in Greek and English, you might have noticed a common annoyance: typing Greek letters by mistake in the terminal, which results in errors like λσ: command not found.

RabbitMQ is a lightweight message broker that connects independent services through reliable message passing.

Assume the following problem, you have myriad of word files and you want to search inside files for a specific keyword and opening each file one by one is not very efficient way to do things, would be nice if there was a grep like tool for docx files?

Ever wondered who’s logging into your Linux box?

One common challenge when using emails to communicate with clients is not just confirming that an email address is valid, but ensuring that it actually works and can receive messages. apilayer.com tackles this issue with its Email Verification API — a pow…

In the glorious world of computer science, we have many elegant ways to sort data — quicksort, mergesort, heapsort.

When working with AWS RDS and connecting via IAM authentication, you’ll often run into a frustrating limitation: the generated authentication token only lasts for 15 minutes.

Yesterday, I had a small failure.

If you often work in the macOS Terminal and want to quickly draft an Outlook email — complete with body text and file attachments — this guide is for you.

When working with logs, scheduling, or data pipelines, you often need to convert timestamps from one timezone to another.

If you work with cryptocurrency data, you often need to automate downloading historical price data.

If you use macOS and spend a lot of time in the terminal, you might be surprised to learn that you can lock your screen with a simple Bash script — no mouse required.