Tag: Operation and maintenance

• 2026-08-23 Migrated and Ready to Ship? I Hit PostgreSQL with 150 Connections, Created 180,000 Dead Tuples, Then Recovered an Accidental DELETE
• 2026-07-29 Restart Is Not Magic: Why Turning a Computer Off and On Seems to Fix 99% of Its Problems
• 2026-07-10 Take Back Your Remote Desktop: Deploying an All-in-One RustDesk Server Safely
• 2026-07-10 The Self-Hosted Web Clipboard I Kept Is Just One Text Box
• 2026-07-10 I Put Docker in a Control Room: Portainer CE 2.39.4 Deployment, Daily Use, and Real Traps
• 2026-07-09 Do Not Just Copy QingLong Into BaiHu: A Real Safe Migration Drill
• 2026-07-09 Should QingLong Panel Still Face the Public Internet? After the 2026 Bypass, I Would Start With BaiHu
• 2026-06-28 Is Your Computer Always Full? Use an AI Agent to Safely Clean Junk Files on Windows 11, Ubuntu 26.04, and macOS 26
• 2026-06-27 macOS 26 Boot Daemons: Put frp and EasyTier in LaunchDaemons, Not Login Items
• 2026-06-27 Windows 11/10 Background Autostart: Run frp and EasyTier Unattended Without Third-Party Wrappers
• 2026-06-27 Ubuntu 26.04 Boot Services Done Right: Let systemd Run frp and EasyTier for You
• 2026-06-20 Stop Letting Agents Burn Tokens: Wiring Headroom into NewAPI, OpenClaw, and HermesAgent
• 2026-06-19 Ubuntu shutdown stuck for 90 seconds? A Python asyncio service that won't honour SIGTERM, and how to fix it
• 2026-06-13 The Portainer 500 Error That Wasn't the YAML — A Two-librespeed_default-Network Story
• 2026-06-01 Your Background Process Keeps Dying After Shell Exit? Stop Blaming nohup — Understand setsid and Unix Process Lifecycle
• 2026-05-31 Why HermesAgent Would Not Reply in WeChat or WeCom: The Real Culprit Was a Local Relay With a 3-Second Timeout
• 2026-05-29 OpenClaw Upgrade Guide: From Beginner to Expert
• 2026-05-26 Seamless Homelab Networking: Deploying Tailscale on Ubuntu 26.04 for Effortless Remote Access
• 2026-05-23 Proxmox VE 9.2 Is Out: Not Just a New Kernel, but a Cluster That Can Start Balancing Itself
• 2026-05-12 Upgrading PVE 8 to 9 Without Brute Force: Let an Agent Drive It, or Follow This Manual Checklist
• 2026-05-11 [Transfer] Installing and Configuring an ImmortalWrt Bypass Router
• 2026-04-30 [Transfer] Synology DiskStation Administration CLI Guide: Reading Notes and Command Cheatsheet
• 2026-03-23 Resize the disk of an Ubuntu VM in PVE — the complete workflow from Web UI to guest OS
• 2026-03-02 The past and present life of SSH key algorithm Ed25519 and RSA, and how to use it today