官网：https://termux.com/

Termux is an Android terminal emulator and Linux environment app that works directly with no rooting or setup required. A minimal base system is installed automatically - additional packages are available using the APT package manager.

不需要root即可直接将自己的安卓机化身一台linux服务器。

1. 文件映射

 termux-setup-storage 

2. 换源

推介清华源：https://mirrors.tuna.tsinghua.edu.cn/help/termux/

3. 安装ssh

pkg install openssh

4. frp

https://github.com/fatedier/frp/releases
https://github.com/fatedier/frp/releases/download/v0.37.0/frp_0.37.0_linux_arm64.tar.gz

5. wget

pkg install wget

6. git

pkg install git

7. 关于@PREFIX

vim @PREFIX/etc/ssh/............