feature: simple module structur. This module taken simple int parameter

.gitignore

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+# ignore intellij related files
+.idea/
+*.iml
+
+# ignore module generated files
+*.cmd
+*.ko
+*.o
+*.d
+*.mod*
+Module.symvers
+modules.order

Makefile

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+obj-m += hello.o
+
+KDIR := /usr/src/linux-headers-$(shell uname -r)
+
+%:
+	$(MAKE) -Wall -C $(KDIR) M=$(PWD) $@

README.md

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+# 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
+```

hello.c

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+#include <linux/init.h> /* Needed for the __init, __initdata and __exit macros. */
+#include <linux/module.h> /* for all kernel modules */
+#include <linux/kernel.h> /* for KERN_INFO */
+#include <linux/printk.h> /* Needed for pr_info() */
+#include <linux/moduleparam.h> /* Needed for module_param() */
+
+static int intInitData __initdata = 3;
+static int intParameter = 420;
+
+module_param(intParameter, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+MODULE_PARM_DESC(intParameter, "An integer");
+
+static int __init start_module(void) /* module entry point */
+{
+   pr_info("Hello , user %d !\n", intInitData);
+   return 0;
+}
+
+static void __exit exit_module(void) /* module exit point */
+{
+   printk(KERN_INFO "Goodbye , user param %d!\n", intParameter);
+   return;
+}
+
+module_init(start_module);
+module_exit(exit_module);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("My first cool kernel module");
+MODULE_AUTHOR("user");