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EC2 Instance Unreachable via SSM Session Manager
7+ hour, 54+ min ago (595+ words) This runbook resolves the situation where an EC2 instance is running and visible in the console but either does not appear in the Systems Manager Fleet Manager inventory, or returns a connection error when you attempt to start a Session Manager…...
I built a ReDoS scanner that proves each bug offline — and hands you a verified fix
13+ hour, 42+ min ago (442+ words) A regular-expression denial-of-service bug is a regex whose backtracking engine can be pushed into super-linear (often exponential) time by a short, hand-crafted input. The textbook shape is a quantifier inside a quantifier: The scary part is that these patterns look…...
Running a nested Proxmox homelab and Docker development on the same Windows machine
13+ hour, 37+ min ago (1334+ words) Tags: docker, proxmox, homelab, windows I sat down to start a new project and Docker Desktop wouldn't run. I knew why immediately, because I'd already paid this bill once — in the opposite direction. When I first set up Proxmox nested…...
How I Built an Agentless Self-Hosting Orchestrator with 100+ Tested Stacks & 100% Local AI
15+ hour, 34+ min ago (417+ words) For anyone passionate about digital sovereignty and homelabbing, setting up a private home server on a Single Board Computer (like a Raspberry Pi 5, Orange Pi) or a Proxmox home lab is one of the most rewarding engineering projects. However, anyone…...
The Backup Awakens: A Database Backup Quest
1+ day, 6+ min ago (440+ words) That night, after a frantic restore attempt that left us with a half‑populated schema and a lot of “did we just lose a week of data?” questions, I swore I’d never be caught off‑guard again. I needed a…...
How to Rehearse Smart-Contract Rollback Before Calling a System Upgradeable
1+ day, 4+ hour ago (1225+ words) Rehearse smart-contract recovery on pinned forks: test migration checkpoints, user entitlements and authority, then preserve a reviewable rollback manifest. Tagged with solidity, web3, testing, security....
I Typed the Same Docker Command Five Times This Week. So I Built a Snippet Manager That Lives in My Terminal
1+ day, 6+ hour ago (257+ words) Every developer has a drawer of "useful code" scattered across five places: By the time you find the snippet again, you've re-typed half of it, guessed the other half, and lost 15 minutes. The snippet is never long. The searching is…...
Cómo armé un Pit Wall con AWS IoT Core (y por qué este patrón sirve para cualquier industria)
1+ day, 7+ hour ago (654+ words) Hola a todos! Hace unos meses me surgio la idea de empezar a correr en simrace nuevamente, en... Tagged with aws, iot, serverless, tutorial....
How to remove a directory in Linux?
1+ day, 13+ hour ago (848+ words) You run rmdir on a folder you just created and it works, then you run the same command on a folder with a single file inside and get Directory not empty. That split is the whole design of directory removal…...
Red Hat AI 3.5 Adds Safety, Multi-Tenancy and Observability for Enterprise AI
2+ day, 15+ hour ago (13+ words) konsulteer.com...