> For the complete documentation index, see [llms.txt](https://theiotlearninginitiative.gitbook.io/coba/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://theiotlearninginitiative.gitbook.io/coba/linux-kernel-development-environment.md).

# Linux Kernel Development Environment

> *So, you want to learn how to become a Linux kernel developer? Or you have been told by your manager, “Go write a Linux driver for this device.”* [HOWTO do Linux kernel development](https://www.kernel.org/doc/html/v4.10/process/howto.html)

* [Flex & Bison Are Now Needed To Build The Linux Kernel; Linux 4.16 Can Also Be Snap'ed](https://www.phoronix.com/scan.php?page=news_item\&px=Linux-Now-Needs-Flex-Bison)

## Linux Kernel Source Code

3 Linux Kernel Source Code Repositories

* <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git>
  * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
* <https://github.com/torvalds/linux>
  * <git@github.com>:torvalds/linux.git
* <https://www.kernel.org/>
  * Tar.Gz

## Workstation Setup

```bash
root@workstation:~# apt-get update
root@workstation:~# apt-get upgrade
root@workstation:~# apt-get install linux-headers-$(uname -r) kernel-package libncurses5 libncurses5-dev git libelf-dev
```

```bash
user@workstation:~$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Cloning into 'linux'...
remote: Counting objects: 5396825, done.
remote: Compressing objects: 100% (2538/2538), done.
remote: Total 5396825 (delta 2876), reused 3072 (delta 2127)
Receiving objects: 100% (5396825/5396825), 984.15 MiB | 6.28 MiB/s, done.
Resolving deltas: 100% (4522724/4522724), done.
Checking connectivity... done.
Checking out files: 100% (59844/59844), done.
user@workstation:~$
```

```bash
user@workstation:~$ cd linux
user@workstation:~/linux$
```

```bash
user@workstation:~/linux$ ls
arch        crypto       init     MAINTAINERS      net       System.map
block        Documentation  ipc        Makefile         README    tools
built-in.o  drivers       Kbuild   mm             samples   usr
certs        firmware       Kconfig  modules.builtin  scripts   virt
COPYING     fs           kernel   modules.order    security  vmlinux
CREDITS     include       lib        Module.symvers   sound     vmlinux.o
user@workstation:~/linux$
```