CatCat Blog - Tech Sharing and Life Insights

This post introduces the CatCat Emby media server, originally created for sharing high-quality BDRIP and Blu-ray Remux anime with friends without sacrificing image quality. It explains the collection philosophy, update rules, content notes, and strict usage constraints, then walks Windows users through recommended clients, danmaku setup, and Anime4K integration for an optimal viewing experience.

A step-by-step guide to registering with Netcup tax-free: how to prepare an English billing document, claim and redeem coupons, choose data center locations and contract periods, and complete identity verification and payment. Includes detailed tips on avoiding contract and location surcharges, understanding traffic/bandwidth rules, and cancelling VPS orders correctly so you can secure high-performance Netcup servers at low cost.

A continuously updated shortlist of high-value VPS providers, focusing only on instances I personally own and have benchmarked long term. Covers Hetzner, Crunchbits, Liteserver, Netcup, and more, with detailed benchmarks and purchase links. Ideal for users running websites, side projects, off-site downloads, or seeking solid performance per dollar.

A curated collection of commonly used VPS scripts: system benchmark and health checks (Yabs/GB5), the all‑in‑one Go toolkit, routing and unlock/streaming tests, plus one‑click installers for Docker, Zsh, qBittorrent, proxy tools, Snell, and more. Includes NVM setup and China/global mirror accelerators—copy, paste, and run.

Continuously updated recommendations of my own go‑to "airports": in‑depth benchmarks of YToo and Huayun, both premium dedicated‑line providers with multi‑protocol support, low‑multiplier high‑value nodes, wide POP coverage including IPv6 and EMBY, plus TAG and QingYunTi for rare regions and IPLC. Pricing details, annual plan caveats, bandwidth limits, and usage tips to help you pick a stable, hassle‑free ladder.

Deploy fontInAss subtitle font processing service with Docker Compose to solve Emby/Jellyfin special font display issues. Supports ASS/SRT format automatic font embedding and font subsetting.

Troubleshooting Garage WebUI login issues after DokPloy deployment, and resolving Unavailable status after upgrade

A comprehensive guide to setting up Docker proxy in China, including mirror acceleration, systemd proxy configuration, build-time proxy, and global proxy settings

Icon browsing and distribution service based on selfh.st/icons, providing fast and stable CDN access for users in mainland China

Complete guide to deploying Pocket ID passwordless authentication service on Dokploy, implementing Passkey-based OIDC single sign-on, including version fixes, environment configuration, and application integration.

Comprehensive bandwidth performance testing from Tsinghua University campus network to 15 global nodes using iperf3, covering Asia, Europe, Americas, and domestic ISP nodes

Deploy Tailscale Derper relay server via Docker or manual compilation to optimize network latency with client verification and automatic certificate management