I recently compiled and documented my learning on iptables, the Linux firewall framework built on top of the Netfilter subsystem, and I am sharing the PDF for anyone who is getting started or revising ...

This IPTables firewall tutorial walks you through a production-safe web-hosting ruleset for a VPS or dedicated server in 2026. It focuses on keeping SSH reachable while you apply changes, then opening ...

Abstract: While celebrating the 21st year since the very first IEEE 802.11 “legacy” 2 Mbit/s wireless local area network standard, the latest Wi-Fi newborn is today reaching the finish line, topping ...

This is a concise Python 3 programming tutorial for people who think that reading is boring. I try to show everything with simple code examples; there are no long and complicated explanations with ...

It's been one of those weeks. You expect the usual noise: recycled malware, sloppy attacks, another easy target getting hit. Instead, there's a supply chain attack ...

To get started with Pandas locally, you can follow these steps to set up your environment and clone the recommended repository. You can use your favorite code editor like Visual Studio Code or PyCharm ...