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
liu@liuu.org


2025
23JAN
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.
2 min
18JAN
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.
3 min
05JAN
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.
1 min