Margrop Blog

Margrop Blog - Notes on engineering, infrastructure, automation, and daily life

• 2023-02-26 Open Specific Ports on Ubuntu 22.04 with UFW or iptables
  Ubuntu iptables Firewall GFW FuckGFW
• 2023-02-26 Proxmox VE 9.0 Daily Maintenance: Remove the No-Subscription Notice and Use China Mirrors (Updated 2025-08-06)
  PVE Proxmox VE pvekclean
• 2026-07-20 Can You Still Buy a Coding Plan? A July 2026 Reality Check on Limits, Quotas, and Lockouts
  AI CodingPlan ClaudeCode Codex Gemini GitHubCopilot Cursor
• 2026-07-19 How Did AI Learn to Use Its Hands? From Chatting to Checking, Writing, and Acting
  AI Agent Tool Calling MCP Function Calling Automation Security
• 2026-07-19 Stop Installing Another PC Cleaner: What Desktop Software Can an AI Agent Actually Replace?
  AI Agent Windows 11 Ubuntu macOS File Conversion System Cleanup Performance Troubleshooting
• 2026-07-19 Why Does AI Lie So Confidently? — It Is Not Thinking, It Is Playing Supercharged Word Association
  AI LLM Hallucination RAG Agent Factuality
• 2026-07-19 Why Does AI Keep Saying ‘I Forgot’? Tokens, Context Windows, and the Sticky Notes It Must Throw Away
  AI LLM Token Context Window Agent Prompt Engineering
• 2026-07-18 TCP Ruled for 40 Years. Why Did HTTP/3 “Dump” It?
  Network TCP UDP QUIC HTTP3 HTTP2 Head-of-Line Blocking Computer Networking Explainer TLS Connection Migration
• 2026-07-18 A 1974 Design Still Rules the Internet. Why? The 6 Design Philosophies of TCP/IP
  Network TCPIP TCP UDP Design Philosophy End-to-End Computer Networking Explainer RFC IETF Internet History
• 2026-07-18 Why Is Your WiFi Lagging? Networks, TCP vs UDP, and the Two “5Gs” — Explained So a Kid Gets It
  Network TCP UDP TCPIP WiFi 5G Computer Networking Explainer Three-Way Handshake Wireless Cellular DNS
• 2026-07-15 Docker Pulls Keep Timing Out? How to Choose, Configure, and Verify Chinese Registry Mirrors
  Docker Registry Mirror Container Manager Synology Debian Ubuntu fnOS insecure-registries Private Registry
• 2026-07-13 Superpowers 6: What Actually Changed, and Why Your Agent Got Harder to Fool
  AI Agent Superpowers OpenCode Claude Codex Skills coding agent software development
• 2026-07-13 Four Hard Resets in One Weekend—and Two Cards: When Tokens Stop Being Scarce, What Are We Actually Missing?
  Codex GPT-5.6 AI Tokens Creativity Education Reflection
• 2026-07-11 Stop Running rsync Blindly: Preview Differences Before a Safe Incremental Sync
  rsync Linux macOS Windows 11 WSL Incremental Sync Backup Automation Agent
• 2026-07-11 You Bought an Overseas VPS and a Domain. Now What? 12 Things That Make a Public IP Worth Owning
  VPS Cloudflare DNS Domain Self-hosting Docker HTTPS Public IP Security
• 2026-07-11 RAID Is Not Backup: How to Choose the Right NAS Layout for Synology, fnOS, and Unraid
  NAS RAID Synology fnOS Unraid SHR Data Protection Backup
• 2026-07-11 Stop Letting AI Guess: Connect MySQL, Prometheus, Loki and Grafana to an Agent, Step by Step
  MySQL Prometheus Loki Grafana AI Agent MCP Observability
• 2026-07-11 The Password Was Right—So Why Did Synology Reject It? Rebuilding DSM’s RSA + AES WebAPI Login
  Synology DSM NAS WebAPI RSA AES Python Cryptography Automation
• 2026-07-11 Don't Let Your Mac mini Gather Dust: Run Agents 24/7 from Windows
  Windows 11 macOS Mac mini RealVNC VNC OpenClaw HermesAgent Remote Desktop Screen Sharing Security
• 2026-07-11 Stop Reading Logs by Hand: A Practical ELK-to-AI-Agent Guide from Deployment to Assisted Troubleshooting
  ELK Elasticsearch Logstash Kibana AI Agent MCP Observability