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I am going to have my LPI 102 exam Saturday. I am confused about insmod and modprobe . I find some of threads said that modprobe execute insmod and load the required modules automatically. Is it right? And when should insmod and modprobe use files like /etc/modules.conf , /etc/modprobe.conf and the path MODPATH,MODULECONF?
I believe that the difference is that modprobe will cause a kernel module to be loaded from the installed kernel from the /lib/modules directory, whereas insmod will load any particular .ko file you point it at, whether in /lib/modules or not. insmod, combined with rmmod, is useful when working on a module; allowing you to recompile just the module and test it, without having to do a whole kernel compile, or hack at your /lib/modules files, potentially making your kernel unbootable.
When I see some things that use "insmod" they all seem to give the full path name to the module, while modprobe just has the name of the module without the ".ko". Oh, yeah, and modprobe will complain about dependencies!