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
• 2026-06-10 The Markdown Throne Falls: When AI Agents Step Out of the Chat Box, HTML Becomes the New Answer
  AI Agent Markdown HTML LLM Claude Code Frontend Design Interaction Design Human-AI Collaboration
• 2026-06-02 OpenClaw TUI Keeps Repeating Itself? A Temporary Patch for Duplicate Thinking and Replies
  OpenClaw AI Agent OpenAI Compatible Streaming TUI Debugging Patch Troubleshooting
• 2026-06-01 MiniMax M3 Officially Released: Demystifying the MSA Sparse Attention Architecture, Plus a Look Inside the Mavis Sandbox
  MiniMax M3 MSA Sparse Attention Multimodal AI Agent Sandbox 1M Context Token Plan
• 2026-06-01 VPN Connected, But Internal Hostnames Won't Resolve? A Complete macOS Routing Table Walkthrough
  macOS Network VPN Routing Route Troubleshooting Sysadmin Networking
• 2026-06-01 Your Mac App Is Not Broken: Gatekeeper May Just Distrust an Unsigned Tool
  macOS Gatekeeper codesign xattr Code Signing Troubleshooting Developer Tools Security
• 2026-06-01 Your Background Process Keeps Dying After Shell Exit? Stop Blaming nohup — Understand setsid and Unix Process Lifecycle
  Linux Process Management nohup setsid SIGHUP Background Jobs DevOps Troubleshooting
• 2026-05-31 Double-Consumed Streaming: Debugging a NewAPI v1.0.0-rc.10 MiniMax Proxy Bug
  NewAPI OneAPI MiniMax Streaming AI Agent Debugging OpenAI Compatible API Engineering
• 2026-05-31 Why HermesAgent Would Not Reply in WeChat or WeCom: The Real Culprit Was a Local Relay With a 3-Second Timeout
  HermesAgent WeChat WeCom relay debugging AI operations NewAPI
• 2026-05-30 Mystery: Where Did That http_proxy Come From in My New Tmux Session?
  tmux zsh environment proxy debugging macos
• 2026-05-30 You Can SSH Out, but Not Back In: A Fail2Ban False Positive That Broke Reverse Access
  SSH Fail2Ban nftables VPN Troubleshooting Networking Security Linux
• 2026-05-30 Home Network 1000Mbps but Games Stutter? A Complete Guide to Diagnosing and Fixing Bufferbloat
  Network OpenWrt ImmortalWrt SQM Cake Bufferbloat Router QoS Gaming Home Lab Networking Sysadmin
• 2026-05-30 Python App in macOS LaunchAgent Can't Reach the Internet? Here's the httpx Proxy Trap You Need to Know
  macOS Python httpx Proxy LaunchAgent Launchctl Networking AI Agent WeCom Debugging Sysadmin AI DevOps
• 2026-05-30 The Complete AI Agent Migration Guide: A Real-World Journey from Scratch with 9 Pitfalls and Fixes
  AI Agent HermesAgent OpenClaw Migration macOS LaunchAgent DevOps WeCom DingTalk Python httpx Automation Sysadmin
• 2026-05-29 Claude Code Upgrade Broke Every Model? Before You Rotate Keys, Check the Compatibility Gateway
  Claude Code AI Agent Troubleshooting Anthropic API Compatible API Model Gateway Developer Tools
• 2026-05-29 Why My AI Assistant Repeated One Reply Four Times: Debugging an OpenClaw WeChat Channel Issue
  OpenClaw WeChat AI Agent Model Routing Debugging OpenAI Compatible API MiniMax Engineering
• 2026-05-29 OpenClaw Upgrade Guide: From Beginner to Expert
  OpenClaw AI Agent Upgrade Update Operations Open Source
• 2026-05-29 Migrating from OpenClaw to HermesAgent: A Smooth AI Agent Migration in Practice
  hermesagent OpenClaw AI Agent migration automation devops
• 2026-05-26 Avoiding the Trap: Why Fail2Ban Fails on Ubuntu 26.04 & PVE 9.2 (And How to Fix It)
  Ubuntu Proxmox VE PVE Fail2Ban nftables systemd Security Troubleshooting