https://wiki.osdev.org/Tutorials
https://wiki.osdev.org/Getting_Started
https://wiki.osdev.org/GCC_Cross-Compiler
https://wiki.osdev.org/Introduction
https://wiki.osdev.org/Beginner_Mistakes
https://wiki.osdev.org/How_To_Ask_Questions
https://wiki.osdev.org/Required_Knowledge
Ubuntu 18.04 将python 版本切换为 python3.7
自编译适用于树莓派4B的Openwrt镜像
Openwrt 根分区扩容
