Entries Categorized as 'Technology'

Ghost in the Edge: How a 30-Second EIP Fix Ended a Production Outage That Defied Every Diagnostic

Author: , March 29th, 2026

A deep-dive into a phantom AWS networking failure where every indicator said the server was healthy, every diagnostic came back clean, and the fix turned out to be one CLI command that most troubleshooting guides never mention. March 29, 2026 · Vermont, USA → us-east-1 · ~18 min read The Sunday Morning Alert It started […]

How To Fix `do_sigver_init:no default digest` and Upgrading to AWS Signature Version 4 for S3 Uploads in Perl

Author: , July 28th, 2025

When performing direct S3 file uploads using custom Perl scripts, I recently encountered the following cryptic error:

Alongside this, the AWS S3 server returned:

This post explains: * What causes the error * Why it’s tied to deprecated AWS Signature Version 2 (SigV2) * How to fully upgrade a Perl curl‑based S3 upload to Signature […]

How To Use HAProxy with a Tungsten Connector Farm

Author: , June 5th, 2025

Using the Tungsten Connector with HAProxy Tungsten Connector can be combined with an HAProxy installation to provide a high-availability entry point, which in turn routes intelligently to the underlying datasources inside the cluster. There are three ways to monitor MySQL health in HAProxy—two are recommended and one is not (mysql-check, which floods Connector logs with failures): check […]

Effortless Exports: A New Perl Script for Tidy Apple Reminders on macOS Sonoma +

Author: , May 29th, 2025

If you live inside Apple Reminders but wish you could archive or share your lists in a clean, readable format, this short Perl utility – saverem — is for you. It grabs every list in your Reminders app, arranges the items hierarchically (with notes intact), and writes the result to a timestamped log in ~/backups. […]

Dear Apple: Stop the Enshittification of macOS

Author: , May 6th, 2025

For decades, Apple earned the loyalty of professional users by building systems that were fast, stable, and empowering. macOS once represented the ideal blend of power and polish—a UNIX foundation dressed in a minimalist, intuitive interface. Systems like Snow Leopard were lauded not for how much they did, but for how well they did it. […]

Reimagining Global Security: Redirecting $2.7 Trillion in Military Spending to Humanitarian Progress

Author: , May 4th, 2025

Author: Eric M. Stone Date: April 28, 2025 Abstract This paper explores the theoretical redirection of $2.7 trillion in global military spending to humanitarian causes beginning in 2026. We model the year‑over‑year impact on global poverty, health, education, climate‑change mitigation, and infrastructure over a 20‑year period. We further analyze the political, social, and psychological obstacles to such a reallocation […]

How To Install mod_evasive on Apache 2.4 in Rocky Linux 9

Author: , April 15th, 2025

If you’re running Apache 2.4 on Rocky Linux 9 and want to protect your web server against basic DoS, DDoS, or brute-force attacks, installing mod_evasive is a solid option. Unfortunately, the module isn’t included by default, and some manual work is required to get it running. Here’s a quick guide to getting it installed and […]

How To Fix the “no hostkey alg” SSH Error Message on Older MacOSX

Author: , April 9th, 2025

The included, MacOSX-native ssh binary does not support newer SHA2 keys, so it gets the dreaded “no hostkey alg” or “kex_exchange_identification: read: Connection reset by peer” errors. To troubleshoot, check the sshd logs:

To fix that, install ssh via homebrew or macports and use that binary instead:

🚀 Upgrading to PHP 8.3 on Rocky Linux 9 Without Crying (Too Much)

Author: , April 8th, 2025

So you’ve finally admitted PHP 8.0 isn’t cutting it anymore. Maybe your Symfony app tripped over a new syntax. Maybe your vendor/ folder started speaking in tongues. Maybe you enjoy suffering and thought “hmm, what if I upgraded my production runtime on a Friday afternoon?” Whatever brought you here—regret, most likely—this guide walks you through […]

How To Prettify Using Vim and Prettier

Author: , March 7th, 2025

If you’re a Vim user and want to integrate Prettier for automatic code formatting, follow these steps to set it up on your system. Install Prettier Globally Before installing the Vim plugin, you need to have Prettier installed globally via npm:

Install vim-prettier Plugin To use Prettier inside Vim, install the vim-prettier plugin. Clone […]