Practical AI
Supabase makes it easy to build fast, but a public anon key with weak RLS can expose real user data. Use this checklist before launching an AI-built app.
Practical AI
Stripe Checkout can be added quickly to an AI-built app, but a weak webhook can mark users as paid without a real payment. Check these webhook security basics before launch.
AI App Security
AI-built apps can look finished while they are still leaking keys, exposing database rows, or trusting unsafe webhooks. Use this checklist before you put real users, client data, or payments into production.
Fujifilm presets
A complete Fujifilm presets cheat list covering Provia, Velvia, Astia, Classic Chrome, Eterna, Acros and more. Learn when to use each film simulation, how they affect RAW and JPEG files, and which preset works best for portraits, landscapes, street photography, and video.
Windows 11
Windows 11 aggressively forces Microsoft account sign-in during setup. This guide shows how to install and use Windows 11 with a local account only, using reliable command-line methods that work on Home and Pro editions.
Raspberry Pi projects often start with good intentions and end half-finished on a shelf. Not because they’re too hard — but because many tutorials quietly assume unlimited time, perfect hardware, and zero interruptions. This list is different. Below are five Raspberry Pi projects you can realistically build over a
caddy
Caddy is a modern web server that is often used as a reverse proxy in Docker environments. It is lightweight, fast, and supports automatic HTTPS out of the box. When combined with Docker and Portainer, Caddy can be a clean alternative to Nginx or Nginx Proxy Manager — but only if
Linux
Monitoring network interface traffic on Linux is one of those tasks that looks simple until something goes wrong. Sudden bandwidth spikes, unexplained packet loss, throttling by a VPS provider, or a container silently saturating the NIC can quickly turn into an outage. When you are under pressure, you do not
General
If you already have a local project with real code and need to push it to GitLab—but no repository exists yet—this guide walks you through the correct, clean, and production-safe workflow. This article is written for developers, DevOps engineers, and homelab users who want a reliable Git
Practical guides for builders: AI, Linux & self-hosting
If you run VPN software, WireGuard, OpenVPN, or any tunneling-based network service on Linux, you will eventually encounter this error: Cannot open TUN/TAP dev /dev/net/tun: Operation not permitted This message commonly appears on VPS servers, inside Docker containers, or in Proxmox LXC environments. It usually shows
5 Best Hardware Crypto Wallets for 2026: Real-World Review & Practical Security Guide 2026 is shaping up to be the most important year for cold storage since hardware wallets were invented. With rising AI-generated phishing, improved malware, and several high-profile exchange failures in recent years, self-custody
H.264 is widely supported and great for 1080p. H.265 offers better compression—ideal for 4K. Use these bitrate ranges as a starting point. Adjust for motion, frame rate, HDR, and playback device. Whether you’re encoding videos for YouTube, archiving, or streaming, understanding how H.264 (AVC) and
If you’re looking for an efficient way to manage and organize your bookmarks, Linkwarden is the perfect solution. This open-source, self-hosted bookmark manager helps you save, categorize, and access your favorite links with ease. In this guide, we’ll show you how to install Linkwarden on Portainer,
If you’re looking to install iptables and remove UFW (Uncomplicated Firewall) on Ubuntu 24.04.1 LTS, you’re in the right place. Whether you need advanced firewall configuration or simply want to switch from UFW to iptables for greater control, this guide will walk you through the entire
In this article, we will guide you on how to install Nextcloud on a Proxmox container running Ubuntu 24.01. Nextcloud is an excellent open-source platform for managing files, calendars, contacts, and more. Installing it on a Proxmox container running Ubuntu 24.01 is a straightforward process. This guide
Domain Name System (DNS) resolver speed plays a crucial role in determining the responsiveness of your internet browsing experience. A slow DNS can lead to delays in website loading, even if your internet connection is fast. In this article, we’ll show you how to test DNS resolver speed using
Introduction to Git Git is a powerful distributed version control system that enables developers to track code changes, collaborate with others, and manage project versions efficiently. Whether you’re a beginner or an experienced coder, mastering Git can significantly improve your productivity. Here is the ultimate Git cheat sheet to
In today’s fast-paced IT environment, automation is essential for managing complex infrastructures efficiently. By adopting the right automation tools, IT teams can reduce manual work, minimize errors, and enhance scalability. Here, we’ll explore the top five tools for automating IT infrastructure, examining their key features, benefits, and
Introduction Squashing commits in GitLab can help streamline your commit history, making it easier to manage and more readable. This guide will show you how to squash all commits in a GitLab repository. Whether you are preparing for a pull request or simply cleaning up your commit history, this guide
Are you setting up GitLab CE on Docker and need to change the root password? Updating your root password is crucial for maintaining the security of your GitLab instance. This comprehensive guide will walk you through the process of changing the root password in a new GitLab installation on Docker
Install QEMU Guest Agent on Ubuntu for Seamless Virtual Machine Operations If you’re using Proxmox VE to manage virtual machines running Ubuntu or Debian, you’ll want to consider installing the QEMU Guest Agent. This lightweight software component offers a range of benefits, including: * Improved system monitoring and management:
