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KnightLi Blog

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Operations

Curated posts and practical notes in Operations.

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)