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Installing cowloop
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The following description is a summary of a more extensive
explanation as you can find in file First go to the directory where the source-tree of cowloop has been unpacked. Now check whether the default major number for the cowloop driver is already in use on your system:
ls -l /dev | grep '241,'
If it is in use by another driver already, change the major number
of the cowloop driver in the file Makefile
(COWMAJOR=241), in the source-file
cowloop.c (#define COWMAJOR 241)
and in the build-script makecows.
All these three files are in the src/ subdirectory.
Note: from version 3.3 on the driver will obtain its major number
dynamically.
To build and install cowloop, start the command:
make install
This compiles the cowloop driver and copies it to the
/lib/modules/version/misc
directory, where version
is the actual kernel-version running on the system.
The related commands are compiled and copied to the
/usr/sbin directory.
Furthermore the device-files /dev/cow/0, /dev/cow/1,
/dev/cow/2, /dev/cow/3, etc.
are created.
Note: from version 3.3 on the driver will dynamically create
these /dev/cow/N names when the corresponding
cowdevice is activated (see the cowdev -a utility).
This has made the makecows installation script superfluous.
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