# Simple RootFS

## Build root filesystem

Download Buildroot from <https://buildroot.org/download.html>\
unpack it\
open directory in terminal\
type: `make menuconfig`\
-> Target options\
&#x20;   -> configure for ARM. (see picture)

![](https://2395005476-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MJQb34R_xPz0ll0scbM%2F-MK7BnKNxK-OIAelT2xX%2F-MK7CYztxdIPopLPbpam%2Fbuildroot-config.png?alt=media\&token=f267f559-59f8-43ee-a726-46a424b124f8)

There are maybe better choices but it works at the moment.\
Type: `make`\
wait for 15-20 minutes. A lot of stuff is downloaded and compiled.\
When finished you will find `./output/images/rootfs.tar`

{% hint style="info" %}
target packages:\
libraries -> hardware handling -> libgpiod\[\*] -> install tools\[\*]
{% endhint %}