How I Made the Typewriter Effect for the Search Section
How I added a vanilla JavaScript typewriter placeholder effect to my Hugo PaperMod search page using the existing search index.
Yunheng's Blog
Recent content on Yunheng's Blog
Latest posts
How to NOT Freeze Your Linux Server While Generating a Random String
I froze my Google Cloud Platform instance while installing 3x-ui. Here's how I found the 'CPU killer' in 3x-ui's source code and got my fix merged.
My VPS provider's entire IP range got DDoS'd. So I learned XDP
A practical guide to using XDP and eBPF for high-performance DDoS mitigation at the NIC driver level — and how I built a daemon that keeps firewall rules in sync automatically using Linux Netlink Process Connector.
I love cloudflare sooo much!
How I used Cloudflare caching and edge delivery to fix slow media loading from a Switzerland-hosted MinIO backend on my Hugo blog.
Vex Prep For Competition
Skipping swim practice to code autonomous routines for my VEX robotics competition — what skills mode looks like and how I prepared for it.
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.
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.
About Me
Learn more about Kenneth Liu, the student builder behind Yunheng's Blog, and the projects, engineering work, and ideas he writes about.