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Operations

Curated posts and practical notes in Operations.

Cloudflare Tunnel Setup Guide: Expose Local Services Without Port Forwarding

systemd OSC 3008 Garbage in SSH Terminals: Two Simple Fixes

Antimalware Service Executable High CPU Usage? Don’t Rush to Disable Defender

Deploying Syncthing on Synology DSM 7.3: Stable Setup with Container Manager

How to use Trivy? Container, Kubernetes and repository security scanning tools

What do you think of the NGINX open source repository? Web servers, reverse proxies, and load balancing infrastructure

Install Joplin Server on Synology DSM 7.x with Container Manager

How to Install Joplin Server: Docker Compose Setup for Private Sync

Synology DSM 7.3 Container Manager Multi-NIC and Macvlan Setup

Sync Local Markdown Notes with a Self-Hosted Git Server on a NAS

Choosing a Linux Server Distribution in 2026: Debian, Rocky Linux, AlmaLinux, and Ubuntu Server Compared

Nginx Rate Limiting: Add rate limit for high-frequency 404 and 400 scan requests

Ubuntu 26.04 LTS GPU and Hardware Updates: CUDA, ROCm, DPC++, and More Platform Changes

Ubuntu 26.04 LTS Released: Major Desktop Updates with GNOME 50 and Linux 7.0

Understanding the nftables Framework: Tables, Chains, Rules, and Sets

nftables Quick Start: Tables, Chains, Rules, and Common Operations

go2rtc with Xiaomi Camera RTSP: Feed NVR, HomeKit, and Frigate

Windows Task Manager data stops updating: the refresh speed is usually set to Paused

Two Ways to Remotely Access Feiniu NAS and Their Comparison

Automatically Renew Let's Encrypt Certificates on Ubuntu (Certbot + Nginx)