actuallyaryaman/kernelmod_lug

Linux Kernel module that prints Hello Vit upon installation

KernelMod_LUG

Linux Kernel module that prints Hello Vit upon installation

Dependencies.

What we need (on Fedora):

the Package Group “C Development Tools and Libraries”.

the kernel devel package.

elfutils.

sudo dnf group install "C Development Tools and Libraries"
sudo dnf install kernel-devel
sudo dnf install elfutils-libelf-devel

Building the module:

The Makefile looks like this:

obj-m += world.o

all:
  make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

clean:
  make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

to build the module run:

make

to insert/load the module into the kernel:

insmod world.ko

to check if the __init function of the module is called or not:

dmesg | grep "Hello VIT!"

to remove this module from the kernel:

 rmmod world

to check if __exit function of the module is called or not run:

dmesg | grep "Why did you just do that?"