# Get Linix Kernel Source
###### tags: `linux` `kernel` `env-setup` `Linux Kernel`
Host: Linux Ubuntu-20.04
Target Platform: vexpress (arm cortex-a9), linux kernel-5.10.1

Install dependency:

sudo apt-get install git qemu libncurses5-dev gcc-arm-linux-gnueabi build-essential

## Linix Kernel Source Code

https://mirrors.edge.kernel.org/pub/linux/kernel/

Download v5.10.1:
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/linux-5.10.1.tar.xz

or

https://github.com/torvalds/linux

clone kernel v5.10 :

git clone -b v5.10 https://github.com/torvalds/linux

解壓縮後會得到 linux-5.10.1 資料夾
放置在喜歡的路徑,如:

~/workspace/linux_ws/linux-5.10.1

## Next Step

這步必須

[Busybox: build minimal file system](https://hackmd.io/wFUATcWyT-epSdbwgYUeAw)