Category Archives: Networking

Sub-Second Knowledge Retrieval for Local AI Agents: Bridging Obsidian Omnisearch and Python with Antigravity (agy)

By | October 15, 2026
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In a previous post, I detailed how I eliminated the “Amnesia Problem” for Google Antigravity (agy) by creating a two-way synchronization bridge between local SQLite conversation databases and Obsidian. That system gave my CLI assistant persistent working state (Meta/states/antigravity.md), fleet operational learnings (Meta/antigravity-memory.md), and an automated audit history of over 90 sessions. That solved curated… Read More: Sub-Second Knowledge Retrieval for Local AI Agents: Bridging Obsidian Omnisearch… »

Bash Script for Zero-Downtime Linux OS Mirroring: Converting a Single-Disk Server to Live High-Availability RAID 1

By | September 28, 2026
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When you first commission a home server or NAS, setting up the operating system on a single, fast SSD is quick and straightforward. But as your services grow—hosting Docker containers, databases, storage shares, and automation routines—that single OS drive becomes a dangerous single point of failure (SPOF). If that primary drive suffers a controller failure… Read More: Bash Script for Zero-Downtime Linux OS Mirroring: Converting a Single-Disk… »

Building Resilient Self-Hosting: Dual-WAN DNS Dynamic Hopping & Autonomous Multi-Domain SSL

By | September 24, 2026
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How to orchestrate seamless ISP failover across 6 international domains and build bulletproof, zero-dependency Let’s Encrypt certificate renewals behind Ubiquiti EdgeOS and Apache. 1. Introduction & The Engineering Challenge Running a production-grade web infrastructure on self-hosted bare metal offers total privacy and freedom, but presents unique resilience challenges when hosting multiple high-traffic domains across changing… Read More: Building Resilient Self-Hosting: Dual-WAN DNS Dynamic Hopping & Autonomous Multi-Domain… »

Starship with bash: customize the status command line with a workday hour counter

By | October 16, 2025
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I am a big fan of of Starship Cross-Shell prompt see https://starship.rs/ You can add to the command line very fancy information besides the default stuff that is also extremely useful. You can add a workday hour counter to your Starship prompt by creating a small script and then telling Starship to display its output… Read More: Starship with bash: customize the status command line with a… »

My Family Name Domain and the Multilingual Ransomware Scam

By | May 12, 2025
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I own my family name as an internet domain with several country codes. It’s not every day you get to claim your heritage in the digital world like that. However, this seemingly harmless act has turned me into an unexpected recipient of a rather peculiar type of email: the multilingual ransomware scam. My inbox, normally… Read More: My Family Name Domain and the Multilingual Ransomware Scam »

#Firefox took a wrong time-zone when resistFingerprinting is on

By | March 17, 2025
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Some websites require to obtain the time-zone from the client browser in order to correctly display some information. This is not always critical but in case you are using some web hosted e-mail or calendar account this is important. One day I noticed that suddenly all my tutanota.com mail calendar events were completely off by… Read More: #Firefox took a wrong time-zone when resistFingerprinting is on »

#fintech #security Implement a simple #SCA algorithm for your #B2B #API implementation.

By | August 19, 2021
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Strong Customer Authentication (SCA) is a new European regulatory requirement as part of the second Payment Services Directive (PSD2) for authenticating online payments and make them more secure. There are some actions such as funding a transfer from your balance or viewing the statement that require SCA within the UK and EEA. SCA builds additional… Read More: #fintech #security Implement a simple #SCA algorithm for your #B2B… »

#Twitter Card: ERROR: Fetching the page failed because other errors

By | February 16, 2021
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After some updates suddenly all the post I shared from Jetpack for WordPress had no valid Twitter card. After some mail exchanges with Jetpack support they assured me that all is good from their part. As instructed by them I was able to see that indeed Jetpack was correctly generating the Twitter Card. Still checking… Read More: #Twitter Card: ERROR: Fetching the page failed because other errors »

Updates to how to #secure and improve your self hosted #wordpress blog on #apache

By | January 28, 2021
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Computer security is a topic that needs constant work. Every day new threats and new security recommendation pop up on the technology radar. I already wrote several posts on this topic. The current post can be seen as a continuation of Security: Maintaining a secure WordPress blog So bellow are some updates to the configuration… Read More: Updates to how to #secure and improve your self hosted… »