Personal portfolio and technical blog of Luka Piplica — IT Professional specializing in systems management, network administration, cybersecurity, and web development. https://piplicaluka.xyz en-us Fri, 05 Jun 2026 11:48:08 GMT https://piplicaluka.xyz/blog/the-math-behind-shazam/ https://piplicaluka.xyz/blog/the-math-behind-shazam/ 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. Fri, 05 Jun 2026 00:00:00 GMT Luka Piplica audio algorithms mathematics signal-processing shazam https://piplicaluka.xyz/blog/luka-piplica-cv/ https://piplicaluka.xyz/blog/luka-piplica-cv/ A comprehensive overview of my professional experience, core technical competencies, engineering projects, and specialized certifications. Tue, 19 May 2026 00:00:00 GMT Luka Piplica cv portfolio full-stack sysadmin cybersecurity ai-engineering https://piplicaluka.xyz/blog/securing-a-linux-server/ https://piplicaluka.xyz/blog/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. Sun, 09 Oct 2022 00:00:00 GMT Luka Piplica linux security sysadmin devops hardening https://piplicaluka.xyz/blog/hsky-token-solana/ https://piplicaluka.xyz/blog/hsky-token-solana/ 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. Sat, 22 Jan 2022 00:00:00 GMT Luka Piplica cryptocurrency solana blockchain rust linux https://piplicaluka.xyz/blog/ubuntu-nordic-gnome/ https://piplicaluka.xyz/blog/ubuntu-nordic-gnome/ 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. Tue, 19 Oct 2021 00:00:00 GMT Luka Piplica linux gnome ubuntu dotfiles customization https://piplicaluka.xyz/blog/nso-pegasus-spyware/ https://piplicaluka.xyz/blog/nso-pegasus-spyware/ 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). Wed, 21 Jul 2021 00:00:00 GMT Luka Piplica cybersecurity privacy forensics malware-analysis linux https://piplicaluka.xyz/blog/pop-os-nordic-bspwm/ https://piplicaluka.xyz/blog/pop-os-nordic-bspwm/ 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. Mon, 19 Jul 2021 00:00:00 GMT Luka Piplica linux bspwm dotfiles customization nord https://piplicaluka.xyz/blog/mr-robot-ctf-walkthrough/ https://piplicaluka.xyz/blog/mr-robot-ctf-walkthrough/ A comprehensive technical guide to solving the medium-difficulty Mr. Robot room on TryHackMe, covering web enumeration, reverse shells, and SUID privilege escalation. Sun, 23 May 2021 00:00:00 GMT Luka Piplica linux cybersecurity tryhackme ctf walkthrough