Category: System Admin
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Two Controllers, One Relay: A Lease Pattern for Home Assistant and Shelly
A relay ownership lease prevents Home Assistant and a Shelly script from fighting. The fallback policy still needs a bounded local schedule.
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Back Up, Update, and Recover a Mailcow Server
Commands and a recovery plan for backing up Mailcow, updating it safely, and restoring after server loss.
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Create Your First Mailcow Mailbox, Stop Abuse, and Test Delivery
Create a mailbox, secure it against spam abuse, check DNS and TLS, test both directions, and plan MX cutover.
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How to Stop ChatGPT Starting Automatically in Windows
Stop the ChatGPT desktop app opening when you sign in to Windows. Turn it off in Settings under Apps > Startup without uninstalling the app.
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Android pop-up ads: check this PDF Reader & QR Scanner app
How to identify PDF Reader & QR Scanner by Cerkimot Enboopea, uninstall it if you choose, and check other common sources of Android pop-up ads.
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A Practical Security Checklist for Websites and Online Services
Two critical PHP flaws let a stranger run commands on a web server without a password. What happened, how the attack works, what to do, and whether a…
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When Data Exports Become a Treasure Hunt
Why important financial tools make simple date ranges feel impossible—and how export, security and account-recovery workflows can be designed with less friction.
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Home Server Backups Failed: Recovery Checkpoints That Never Clean Up
Veeam backup jobs failed nightly with ‘insufficient free disk space’. The cause: Hyper-V recovery checkpoints that never cleaned up. Here is how to find them, merge them on…
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Make Authentik Your Launchpad: One Page for Every Web App
Turn Authentik into a launchpad for all your web apps. Add any app with a launch URL, even when the app has no SSO. One page, every app.
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Veeam Agent Windows: Push-Deploy Physical Box to Backup Repository
Physical Windows machine needs backing up to Veeam repository. Here’s the exact checklist: firewall ports, credentials, and the UAC registry key that blocks agent push-deploy. 20 minutes. Most…