# build my own linux kernel module

run a linux container

```shell
docker run --name linux --privileged -v /lib/modules:/lib/modules -v ./:/root/data -v /usr/src:/usr/src -it -d debian
```

setup into container the required dependencies

```shell
docker exec -it linux bash
apt update && apt install -y gcc make kmod procps git
```

cleaning

```shell
docker rm -f linux
```

show module information

```shell
modinfo hello.ko
```

search if module is loaded

```shell
lsmod | grep hello
```

(un)/load module

```shell
insmod hello.ko [myint=4]
rmmod hello.ko
```

load module and load is dependencies module

```shell
ln -s $(pwd)/hello.ko /lib/modules/$(uname -r)
depmod -a
modprobe hello
modprobe -r hello
rm /lib/modules/$(uname -r)/hello.ko 
```

show kernel logs

```shell
dmesg -w
```