TekOnline

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  • How to restore “Open with Code” after installing VS Code without shell integration

    If Visual Studio Code is already installed but Open with Code is missing from the Windows right-click menu, the usual cause is simple: the Explorer integration option was not selected during installation. The fix is straightforward. You can add the missing Explorer entries yourself with a short PowerShell script and no reinstall. This guide uses a per-user…

  • Stop Rewiring Nginx Every Time You Add a New Homelab Stack

    If you run a busy homelab, you already know the pattern. You spin up a new app. Then another one. Then you rebuild one, move ports around, rename acontainer, or split a stack into two services. Suddenly Nginx is broken, your proxy targetsare stale, and you are SSHing into the box again to β€œjust fix…

  • Example penetration testing document

    Confidential Northwind Community Health (Demo) Patient Notes Platform Penetration Test Final Report v1.0 This document is a fully synthetic example for training and blog publication. All data is fictional. Document Information and Control Information Field Value Document Type Report Project Name Patient Notes Platform Penetration Test File Name NC-H-PatientNotes-Pentest-Final-v1.0.pdf Preparation Action Name Title Contact Details…

  • How I Recovered Docker Disk Space on Windows (WSL2) and Jumped to 99 GB Free

    Docker cleanup can be misleading on Windows with WSL2.You can delete images and caches, but still see almost no free-space gain on C:. This happened because Docker data lived inside a large virtual disk: The fix was: Why This Happens docker system prune frees space inside the Linux filesystem, but Windows may keep the .vhdx file at its old size until…

  • Clinical Call Management Software: How to Improve Continuity of Care in the public health space

    Don’t have time to read the article? Check out ClinCalls – a clinical data solution tailored to suit population health units. Clinical teams handle high volumes of calls, follow-up actions, and handoffs every day. When ownership is unclear, small gaps turn into delayed care, duplicated effort, and missed steps. This is exactly where clinical call…

  • Well that is a little more than usual πŸ˜…

    Just putting this up more of a reminder to my future self. This was from the HVAC Zone Controller and promoting it on the Facebook Home Assistant group. This post https://www.facebook.com/share/p/1DuqeyED87/ You can find the product here: esp32 Zone Controller HVAC

  • ESPHome 7-Zone HVAC Controller – Smart 24VAC Zone Control for Home Assistant

    TL:DR – You can get it here πŸ₯³ Its been way too long in the making. But its finally done (well…maybe a few small tweaks left!) One of the biggest challenges when integrating HVAC systems into Home Assistant is controlling 24VAC devices like duct dampers and zone valves. Most smart home relay boards are designed…

  • Zone Control (7 Zones) – Open-Source ESPHome HVAC Controller

    Zone Control (7 Zones) Open-source HVAC zone control for real homes and real automation stacks. Built on ESPHome and designed for Home Assistant, this controller gives you local-first control without vendor lock-in. Why this controller Controls up to 7 HVAC zones Local-first architecture Home Assistant friendly Open, transparent configuration model Built and tested on real…

  • Installer Perspective: Deploying Open HVAC Zone Control Without the Usual Pain

    Integrators and installers keep asking the same question: “Can open-source HVAC control be deployed reliably for real clients?” Short answer: yes, if you package it correctly. At TekOnline, we are shaping our 7-zone ESPHome controller specifically for repeatable field deployment, not just hobby projects. What installers need from a zone controller From an installer viewpoint,…

  • How We Built a 7-Zone HVAC Controller with ESPHome

    The 7-zone controller is now running, and this post walks through the build direction we took at TekOnline. The goal was simple: create a zone control platform that is reliable, local-first, and deeply compatible with Home Assistant. Project requirements Before writing firmware, we locked in these constraints: That pushed us toward ESPHome from day one.…