Problem in inserting a module into ubuntu kernel

Question

I am using Ubuntu-11.04 OS. i wrote a basic interactive kernel module mid.c

#include<linux/kernel.h> #include<linux/module.h> #include<linux/init.h> static int __init insert(void) { pr_info(" The module is inserted into the kernel \n"); return 0; } static void __exit remove(void) { pr_info("the module is removed from kernel \n"); } module_init(insert); module_exit(remove);

i can compile the module by using the command

make -C /lib/modules/2.6.38-8-generic/build M=$(PWD) modules

but when i try to insert the module using the command

insmod mod.ko

an error occurs saying :

cannot insert mod.ko permission denied

Did you google the error message? That would have been probably quicker than asking here. — Robin Green
– Robin Green, Commented May 20, 2011 at 10:05

freethinker · Accepted Answer · 2011-05-20 06:36:49Z

4

you need to add a sudo before insmod

answered May 20, 2011 at 6:36

freethinker

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