观世变,展未来。

High schooler in the US. I break my own servers on purpose, then write down how I fixed them — XDP, eBPF, Cloudflare, and the occasional robotics detour.

Yunheng Liu

Recent writing

All posts
2 min read

How I Prepared for a VEX Robotics Competition as a Programmer

Skipping swim practice to code autonomous routines for my VEX robotics competition — what skills mode looks like and how I prepared for it.

FunVex241 words
3 min read

My Servers and Why

How I went from a bored kid during the pandemic to running multiple VPS servers — proxies, self-hosted projects, and what I learned along the way.

Fun619 words
1 min read

A New start

Restarting the blog after a long gap — new theme (PaperMod), new country, high school life in the US, and finally figuring out git in VS Code.

Hugo126 words