This Time I Open-Sourced a Prompt, Not a Script
I spent an evening fixing a problem open since 2014: ufw does not protect Docker published ports. My firewall said three ports were open. Twelve were, including a control panel that can open a shell. But this post is about a decision I made when publishing the fix: there is no executable script in the repository. Part one is the bug and the three traps I hit; part two is why it cannot be a script, and where that approach stops working.
38 2026-07-25
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Record of Recovering Virtual Machine Files (qcow2 + LVM) in PVE 7.x
```html I recently discovered that several services on my home All-in-One server were malfunctioning. When I tried to…
1,072 2024-03-30
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Practical Approaches to Site-to-Site Network Connectivity in a Cross-Border Home Broadband Environment
```html The current situation is as follows: Both locations only have public IPv4 addresses. The public IP addr…
761 2024-01-08
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