Personal blog of Berkem Peker on AI, Python, Raspberry Pi homelabs, web development, and growth marketing.https://berkem.xyz/en-ushttps://berkem.xyz/blog/hosting-n8n-on-raspberry-pi/https://berkem.xyz/blog/hosting-n8n-on-raspberry-pi/Set up n8n workflow automation on your Raspberry Pi with Docker and secure it with Cloudflare Tunnel - no port forwarding needed.Tue, 27 Jan 2026 00:00:00 GMTBerkemhttps://berkem.xyz/blog/self-hosted-bookmarking-with-raspberry-pi-karakeep/https://berkem.xyz/blog/self-hosted-bookmarking-with-raspberry-pi-karakeep/Working docker-compose.yml and .env for Karakeep, plus browser extension setup, AI tagging config and what it takes to run it on a Raspberry Pi.Tue, 15 Jul 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/raspberry-pi-homelab-projects/https://berkem.xyz/blog/raspberry-pi-homelab-projects/Turn a Pi 5 into a real home server: Portainer, Ollama, Pi-hole, Tailscale, Glances, Uptime Kuma, Cloudflared, Home Assistant, Immich and Vaultwarden.Sat, 24 May 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/installing-pi-hole-on-raspberry-pi-zero/https://berkem.xyz/blog/installing-pi-hole-on-raspberry-pi-zero/Install and configure Pi-hole v6 on a Raspberry Pi Zero 2W, block ads and telemetry across your whole network, and fix the problems nobody warns you about.Mon, 28 Apr 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/domain-blocker-for-google/https://berkem.xyz/blog/domain-blocker-for-google/The extension, Domain Blocker for SERP, is a lightweight Firefox add-on that lets you block unwanted domains from Google search results with a single clickFri, 18 Apr 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/embracing-the-journey-over-the-destination/https://berkem.xyz/blog/embracing-the-journey-over-the-destination/Life is an endless series of questions and challenges. There are some checkpoints along the way, but they are not the final destination.Fri, 14 Mar 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/should-you-be-ashamed-of-using-ai/https://berkem.xyz/blog/should-you-be-ashamed-of-using-ai/Is using AI cheating, or just working smarter? Explore how new technology, like AI, follows the same path as past innovations—first resisted, then embraced. Read on to rethink productivity, authenticity, and the future of work.Tue, 04 Feb 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/how-to-calculate-expected-return-and-beta-with-python/https://berkem.xyz/blog/how-to-calculate-expected-return-and-beta-with-python/Learn how to calculate expected return and beta for stock analysis using Python. This guide covers key metrics, step-by-step coding examples, and practical insights for smarter investing.Mon, 20 Jan 2025 00:00:00 GMTBerkemhttps://berkem.xyz/blog/calculate-sharpe-ratio-with-python/https://berkem.xyz/blog/calculate-sharpe-ratio-with-python/Learn about sharpe ratio for your stock market portfolio performance tracking and how to calculate it easily with python.Mon, 23 Dec 2024 00:00:00 GMTBerkemhttps://berkem.xyz/blog/simple-thematic-analysis-with-python/https://berkem.xyz/blog/simple-thematic-analysis-with-python/This blog post will walk you through how I built a Python-based thematic analysis code to get insights from the reviews from Shopify app pages.Fri, 13 Dec 2024 00:00:00 GMTBerkemhttps://berkem.xyz/blog/simple-web-scraping-with-python/https://berkem.xyz/blog/simple-web-scraping-with-python/This blog post will walk you through how I built a Python-based scraper to fetch reviews from Shopify app pages.Thu, 05 Dec 2024 00:00:00 GMTBerkemhttps://berkem.xyz/blog/why/https://berkem.xyz/blog/why/From a failed get-rich-quick scheme to learning the magic of building things, I’m exploring automation, creating tools, and sharing my journey on berkem.xyz.Tue, 03 Dec 2024 00:00:00 GMTBerkem