[CentOS] help with a module on centos 5

Jerry Geis

geisj at pagestation.com
Fri Jun 29 17:26:49 UTC 2007


Hi all, I am trying to get the modules evbug.c running on centos 5.

I took the source file from the kernel, put it in a directory.
I made a Makefile:
obj-m := evbug.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

I then type make; insmod evbug.ko
and type dmesg and say the following:

evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 4, Code: 4, Value: 22
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 1, Code: 22, Value: 1
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 4, Code: 4, Value: 48
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 1, Code: 48, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 4, Code: 4, Value: 22
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 1, Code: 22, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 4, Code: 4, Value: 34
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 1, Code: 34, Value: 1
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 4, Code: 4, Value: 34
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 1, Code: 34, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 4, Code: 4, Value: 28
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 1, Code: 28, Value: 1
evbug.c: Event. Dev: isa0060/serio0/input0, Type: 0, Code: 0, Value: 0

so I presume all my KEYS that are typed are being logged.

How do I access those now?

I mean the source talks about dumping all key events into syslog
How do I read syslog? /var/log/messages is not showing the information.
Only when I type dmesg do I see the data. In what file is dmesg 
information???

The goal here is to read the file looking for occasional key presses.

Thanks,

Jerry



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