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Insights, tutorials, and documentation of my journey through technology and systems.

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The Math Behind Shazam: How Your Phone Recognizes Any Song in Seconds

A deep technical dive into the audio fingerprinting algorithm that powers Shazam — from the Fourier Transform and spectrograms to constellation maps, combinatorial hashing, and probabilistic matching.

L Luka Piplica

June 5, 2026 13 min read

audio algorithms mathematics signal-processing shazam

Curriculum Vitae & Technical Portfolio

A comprehensive overview of my professional experience, core technical competencies, engineering projects, and specialized certifications.

L Luka Piplica

May 19, 2026 7 min read

cv portfolio full-stack sysadmin cybersecurity ai-engineering

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VPS Hardening: A Practical Guide to Securing a Linux Server

An industry-standard security blueprint for securing clean Linux installations, configuring public-key cryptography, deploying UFW firewalls, and establishing proactive threat mitigation.

L Luka Piplica

October 9, 2022 8 min read

linux security sysadmin devops hardening

Launching a Custom SPL Token on Solana: A CLI Walkthrough

A complete step-by-step developer's guide to compiling Rust-based blockchain dependencies, creating an SPL token on the Solana network, and understanding decentralized metadata structures.

L Luka Piplica

January 22, 2022 8 min read

cryptocurrency solana blockchain rust linux

GNOME goes Nord: Transforming Ubuntu into a Keyboard-Driven Workstation

A comprehensive developer guide to custom-building a high-productivity tiling desktop environment on Ubuntu GNOME, featuring Pop Shell window tiling, Nordic GTK aesthetics, and advanced CLI workflows.

L Luka Piplica

October 19, 2021 9 min read

linux gnome ubuntu dotfiles customization

Analyzing the Pegasus Spyware: Digital Forensics with MVT

An in-depth technical analysis of NSO Group's Pegasus spyware, its zero-click propagation mechanics, and a step-by-step guide to mobile device forensics using the Mobile Verification Toolkit (MVT).

L Luka Piplica

July 21, 2021 9 min read

cybersecurity privacy forensics malware-analysis linux

Crafting a Sleek Nordic Desktop: BSPWM Customization on Pop!_OS

A comprehensive guide to building a minimal, high-performance tiling window manager environment using BSPWM, Polybar, Picom, and ZSH on Pop!_OS, themed around the elegant Nordic palette.

L Luka Piplica

July 19, 2021 11 min read

linux bspwm dotfiles customization nord

Cracking the Mr. Robot CTF: An End-to-End Walkthrough

A comprehensive technical guide to solving the medium-difficulty Mr. Robot room on TryHackMe, covering web enumeration, reverse shells, and SUID privilege escalation.

L Luka Piplica

May 23, 2021 16 min read

linux cybersecurity tryhackme ctf walkthrough

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