I run mihomo in Docker on an N95 mini PC. macvlan gives the container its own LAN address (10.0.0.6), so any device that points its default gateway there gets rule-based proxying — without touching the router’s own routing table. Two things bite you once the container is up: the host and its own macvlan containers cannot reach each other, and you still have to decide how clients switch over to the new gateway. This post covers both. ...

I needed one machine to connect to three different frp servers. Most tutorials solve this by copying frpc.service three times and editing the path in each. Change one parameter and you have to remember to change it in three files — that breaks eventually. systemd has a built-in answer: template units. Write frpc@.service once, then spin up as many instances as you like. This post walks through the full frp setup first, then shows how the same pattern applies to xray, socat, Python scripts, or anything else you need to run several copies of. ...

A fresh WSL install shows every Chinese character as an empty box. My host system is English Windows, which is probably why: WSL has neither a Chinese locale nor a font capable of rendering the characters. Adding both fixes it. 1. Install the Chinese language pack sudo apt install language-pack-zh-hans 2. Reconfigure locales sudo dpkg-reconfigure locales In the list that appears, select both en_US.UTF-8 and zh_CN.UTF-8, then pick zh_CN.UTF-8 as the default on the next screen. ...