Programming · Python
Python (Part 5): Loops
Part 5 of the Python series: repeat work without copy-pasting using for and while loops, the range() helper, plus break, continue, and enumerate().
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Programming · Python
Python (Part 4): Conditional Statements
Part 4 of the Python series: make your programs decide with if, elif, and else — plus truthiness, the ternary shortcut, and match (Python 3.10+).
Programming · Python
Python (Part 3): Operators
Part 3 of the Python series: operators — arithmetic (incl. // and **), assignment, comparison, and logic, plus what Python does differently from PHP.
Programming · Python
Python (Part 2): Variables and Data Types
Part 2 of the Python series: variables and data types — how Python stores text, numbers, and booleans, plus how its dynamic typing works (and differs from PHP).
Programming · Python
Python (Part 1): Basic Syntax
Starting a new beginner-to-intermediate series. Part 1 covers Python's basic syntax — running a script, the print() function, indentation, and comments.
Programming · PHP
PHP (Part 4): Conditional Statements
Part 4 of the PHP series: conditional statements — make your programs decide with if, else, elseif, switch, and the handy ternary shortcut.
Systems & Networking · Security
Build a Private Server Status & Control Page with Tailscale
A tiny status page plus a safe control API for your server — published only inside your tailnet with Tailscale Serve, never exposed to the public internet.
Apps
Introducing KausApp: Messenger, Back on Your Desktop
When Facebook retired its desktop Messenger app, millions got pushed into a browser tab. KausApp brings Messenger back to a real desktop app — coming soon.
Systems & Networking
How to Set Up and Manage a ZNC IRC Bouncer
Stay connected to IRC 24/7 with ZNC. Install it, run it as a service, connect your client, and use the *status and *controlpanel commands to manage it.
Programming · Systems & Networking
How to Set Up a Static Website: A Quick Overview
No server, no database, no monthly bill. Here's the whole path to a static website — build the files, preview locally, and put it online for free with HTTPS.
Apps
Building RAVEIRC: a Modern IRC Client with an Operator's Toolkit
RAVE began in 2002 as an mIRC script for DALnet operators. We're rebuilding it as a native, cross-platform IRC client with the operator toolkit baked in.
Systems & Networking
Why You Should Use tmux (and Its Most Common Commands)
tmux keeps terminal sessions alive, splits one window into many, and survives dropped SSH connections — here's why to use it and the commands you'll use daily.
Security
Encrypt Your Own Passwords — In Your Head
Carry a unique, strong password for every site in your head — using one memorized phrase and a simple algorithm you run yourself. No password manager needed.
AI · Security · Systems & Networking
Letting Claude Manage Your DigitalOcean Droplet — and What to Watch For
An AI agent like Claude can SSH into your server and run it for you — add users, harden SSH, debug. Here's how to do it without handing over the farm.
Security
The Importance of Choosing Strong Passwords
Your password is often the only thing between an attacker and your accounts. Here's what actually makes one strong — and why length beats complexity.
Security
Creating an APK Backdoor That Asks for All Permissions at Install
An old Android pentesting writeup: embedding a Meterpreter payload in a legit APK and editing the manifest so it requests all permissions at install time.
AI · Security
The Role of AI in Modern Pentesting
AI won't replace the pentester — but it's already changing the job: recon, triage, payloads, reporting. What's real, what's hype, and how to use it well.
Programming · PHP
PHP (Part 3): Operators
Part 3 of the PHP series: operators — arithmetic, assignment, comparison, and logic, the building blocks of every PHP program.
Programming · Systems & Networking
Hosting on the Edge: Why This Site Has No Server
The site you're reading has no web server, no database, nothing to patch. Here's how 'static + edge' hosting works — and why it's faster and safer.
Systems & Networking · Security
Passwordless SSH: Key-Based Login to Your Linux Server
Stop typing your server password. Set up SSH key-based authentication to log into your Linux server — or DigitalOcean droplet — without one.
AI · Security
Prompt Injection: The New Injection Attack
SQL injection broke databases. Command injection broke shells. Prompt injection breaks AI — and as we wire LLMs into agents, it's the #1 risk to understand.
Programming · PHP
PHP (Part 2): Variables and Constants
Part 2 of the PHP series: variables and constants — the two ways PHP stores information for you to use later in your programs.
Programming · PHP
PHP (Part 1): Basic Syntax
What is PHP? PHP: Hypertext Preprocessor (PHP) is an open source general purpose scripting language that is widely used for web development and can be…
Systems & Networking
Manually Mounting NTFS Drive as R/W on MacOS
Warning : Doing this wrong could cause damage to your operating system. We assume that you already know how to use the Terminal and are comfortable in…
Security
Crunch Rules for Complex Password Patterns
A blind wordlist wastes time and disk. Learn crunch's pattern placeholders (@ , % ^) to generate targeted password lists — digits, words, and mixed patterns.
Security
How to Use Aircrack-ng to Brute-force WPA2 Passwords
Some of you may already know that brute forcing a WPA2 password takes a very long time but I'm going to show you one of the ways to do this and how this…
Security
How to Capture a WPA2 Handshake with Aircrack-ng
Before you can crack a WPA2 password offline, you need the 4-way handshake. Capture one with airmon-ng, airodump-ng, and a deauth from aireplay-ng.
![A Quick Way to Fire Up a Web Server for Testing Purposes [Linux/MacOS]](/assets/posts/cover-quick-way-fire-up-web-server-testing-purposes.svg?v=74okqt)
Systems & Networking · Security
A Quick Way to Fire Up a Web Server for Testing Purposes [Linux/MacOS]
Developers always need to test code once in a while and there is a way to quickly launch a web server from your current working directory without the need…
Systems & Networking
Reference Guide for IPv4 CIDR, Subnet Masks and Usable IP
What is a /24 or a /22? A full reference table of IPv4 CIDR prefixes, their subnet masks, and how many total and usable IP addresses each one gives you.
Systems & Networking
Print man Pages to Text File
Save any man page as clean, plain text with man and col -b — handy for reading offline, grepping, or printing. Plus a quick way to export a manual as a PDF.
Systems & Networking
Error: piix4_smbus 0000:00:07.3: SMBus Host controller not enabled!
Seeing "piix4_smbus … SMBus Host controller not enabled!" at boot inside a VM? Here's why it happens and how to silence it by blacklisting the module.
Systems & Networking
How to run a Speed Test from your Terminal
Run an internet speed test from your terminal — no browser. Install the official Ookla Speedtest CLI or the lighter speedtest-cli, with sample output and flags.
Systems & Networking
Getting "a start job is running for dev-disk-by..."
A 90-second boot hang on 'a start job is running for /dev/disk/by-uuid/…' is usually a stale swap UUID in /etc/fstab — here's how to fix it fast with blkid.
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