Browse the main pages, case studies and blog posts available on en.potacki.com.
Craft CMS Plugin Updates: PDF Generator, CDN Cache PreloadA summary of updates to two Craft CMS plugins: PDF Generator and CDN Cache & Preload. Document generation, caching, preloading and integration with Cloudflare and Varnish.
Engineering Thesis Defense at MUTIn June 2022, I defended my engineering thesis at the Military University of Technology. The project focused on smart-home system design using Home Assistant.
How CoolTRONIC.pl Evolved from a Blog into a CompanyCoolTRONIC.pl started as a technical blog and gradually became a company and a technical base for websites, Linux servers and open-source tools.
Sysco Entrepreneurship Training CertificateA summary of an entrepreneurship training program covering strategy, finance, marketing, negotiations and the basics of running a business.
Varnish Cache for ISPConfig 3: Nginx SSL, Apache, and Faster WebsitesSee how Varnish Cache, Nginx SSL termination, and Apache reduce backend load and improve WordPress,Craft CMS performance in ISPConfig 3
About meFrom web platforms and e-commerce to Linux, Android tooling and open-source projects. See how I connect different technical layers in practical work.
Automated Static File Versioning for Craft CMSCraft CMS plugin for automated versioning of CSS, JavaScript and other static assets to prevent stale-cache issues after deployment.
CareerMy path from PHP, WordPress and Craft CMS to Linux servers, DevOps and Android-related open-source projects.
Case StudiesSelected websites, online stores, CMS plugins and open-source tools built around real technical requirements.
CDN Cache & Preload in Craft CMSCraft CMS plugin for automated cache purging and warming with Varnish, Cloudflare, sitemap processing, URL exclusions and queued jobs.
ContactTell me about your website, online store or technical issue. I will review the starting point and outline the information needed to move forward.
Cool AVIF: Image Conversion Plugin for WordPressOpen-source WordPress plugin for local AVIF, WebP, HEIC and JXL image conversion with ImageMagick or GD and bulk processing.
Craft CMS Interactive Project Map & Automated PDF DatasheetsCraft CMS project for Sienkiewicz MAT-BUD with an interactive Mapbox project map, marker clustering and automated PDF datasheets.
Craft CMS PDF Generator PluginCraft CMS plugin for generating PDFs from Twig templates, HTML and URLs, with Assets integration, caching, QR codes, watermarks and PDF/A or PDF/X support.
Craft CMS Website for a Local InitiativeCraft CMS website for a local initiative with news, interactive elements, a map and an editorial panel for day-to-day updates.
Craft CMS Website for Flooring CompanyCraft CMS website for Dekofloor with structured service pages, project galleries, a contact form, location map and mobile-friendly layout.
Craft CMS Website for Torpol Oil & GasCraft CMS website for Torpol Oil & Gas with service information for the oil, gas, chemical and energy sectors.
HomepageI build and improve websites, online stores and technical tools. My work connects WordPress, Craft CMS and e-commerce with integrations, performance work and Linux servers.
LineageOS Kernel for Realme SM6375 DevicesLineageOS kernel fork for Realme devices based on Qualcomm SM6375, with KernelSU Next integration, SuSFS support and public source maintenance.
PrestaShop Store with a Vue.js Product FormPrestaShop store for strength-equipment manufacturer Steelstorm with a Vue.js product-variant form, filters and a custom preloader.
Quick.CART Online Store for a Solid Fuel RetailerLightweight Quick.CART store for a local solid fuel retailer with a clear catalog, a simple checkout flow and a mobile-friendly interface.
Quick.CMS Website for FEBO LogisticArchived Quick.CMS website for FEBO Logistic with a lightweight structure, full-screen navigation and custom JavaScript elements.
Realme Bootloader Unlock ToolkitOpen-source Python toolkit for the Realme bootloader unlock process with ADB log analysis, local token storage and clearer diagnostics.
Services
Technical BlogNotes from projects, debugging and performance work. I write about WordPress, Craft CMS, Linux servers, Android and open-source tools.
Varnish Cache for ISPConfig 3 with Nginx SSL TerminationVarnish Cache integration with ISPConfig 3, Nginx SSL and Apache for WordPress and Craft CMS, with purging, Cloudflare and Brotli support.
WooCommerce Fashion Store Built with OxygenWooCommerce fashion store built with Oxygen Builder, with image optimization, mobile-friendly product browsing and a cleaner checkout flow.
WordPress and DevOps Projects for US ClientsWordPress, WooCommerce and DevOps work for US clients: development, migrations, performance tuning and external integrations.
WordPress Portfolio for a Fine Artist and Visual DesignerArchived WordPress portfolio for a visual artist with image galleries, video sections and content management based on Advanced Custom Fields.
WordPress Website for a PsychologistWordPress website for a psychologist with booking links, educational materials, video content and mobile-friendly improvements.
WordPress Website for an Architecture StudioWordPress website for an architecture studio with a custom theme, project portfolio, image optimization and server-side Varnish Cache.
WordPress Website for Surveying and GeomaticsWordPress website for EWIMAR surveying and geomatics with a project portfolio, external service links, Varnish caching and Cloudflare delivery.
WordPress with YouTube Data API for Travel CreatorsWordPress website for travel creators with automated video syncing through YouTube Data API v3 and a lighter approach to embedded media.
All Case StudiesSelected websites, online stores, CMS plugins and open-source tools built around real technical requirements.
Craft CMSCraft CMS websites for structured content and custom workflows I use Craft CMS for projects that need a flexible content structure, a clear editorial panel and...
E-Commerce StoresOnline stores selected around the way the business works I have been building online stores since 2015. I choose the platform based on the size of...
Linux, DevOpsLinux, DevOps and web platform performance optimization Projects involving Linux servers, caching, Cloudflare, Varnish, deployment automation and web platform performance optimization. I configure and optimize environments...
PrestaShopPrestaShop stores for larger catalogs and custom integrations I use PrestaShop for stores with a more extensive product catalog, a more complex order process or integrations...
Quick.CARTQuick.CART for simpler stores with a clearly defined catalog Quick.CART stores data in files instead of a traditional SQL database. It can be a good choice...
Quick.CMSQuick.CMS for simple and stable business websites Quick.CMS is a lightweight content management system that stores data in files instead of a traditional SQL database. It...
Custom SoftwareTools written for a specific technical problem Not every problem needs a large application. In many cases a focused plugin, script, integration or backend tool is...
WooCommerceWooCommerce for stores that need stable maintenance after launch WooCommerce works well when the store needs to stay close to WordPress, use its content structure and...
WordPressCustom WordPress websites without unnecessary complexity WordPress works well for websites that need flexible content management and room for further development. I build custom implementations without...Selected pages with videos from the XML video sitemap. Each page entry shows its own thumbnail and the videos assigned to it with a poster, title and description.
TikTok video from @potacki.com showing progress on an unpublished Android ROM for the Samsung Galaxy Tab 3 Lite SM-T110. The build has working Wi-Fi and Bluetooth on LineageOS 11 / Android 4.4.4, with memory and permissions work still in progress.
YouTube Shorts video showing a quick Realme 10 Pro bootloader unlock demo. The material points to FRP Unlocking sources and the longer instructional flow covering region change, preparation and bootloader unlock request for Realme Android phones.
TikTok video from @frpunlocking about unlocking the bootloader of Realme 10 Pro models RMX3660, RMX3661 and RMX3663. It presents the Realme Tools method, Android recovery workflows and device customization possibilities without focusing on unnecessary technical noise.