Re: [PLUG] Device ID coolness

["Chuckk Hubbard" <badmuthahubbard@gmail.com>]

Very cool.  I've had this problem between my soundcard, MIDI keyboard,
and USB MIDI controller, where jackd always tries to load a different
one as the soundcard.  I'll check when I get home and see if I can
figure out how to do this.

-Chuckk

On 1/5/07, Walt Mankowski <waltman@pobox.com> wrote:
> At Wednesday night's meeting I asked for suggestions on mounting USB
> devices like flash drives.  I thought I'd report back on how I made
> out.
>
> The problem seemed kind of tricky, because the device name the kernel
> uses can vary depending on whether any other USB devices are plugged
> in.  I was getting tired of editing /etc/fstab every time I tried to
> mount it to change /dev/sdb1 to /dev/sdc1.
>
> Someone at the meeting suggested that I look at device IDs.  That
> turned out to be exactly what I was looking for.  I discovered that
> under /dev/disk the kernel puts four directories -- by-id/, by-label/,
> by-path/, and by-uuid/, each of which contains symlinks with symbolic
> names that point back to the raw device names they refer to.
>
> The by-label directory was the most useful for my purposes.  Instead
> of /dev/sdb1 or /dev/sdc1, it lets me use the device name
> /dev/disk/by-id/usb-SanDisk_U3_Cruzer_Micro_0000060512013154-part1.
> That's a mouthful, but it has the big advantage of always being the
> same no matter which USB port it's using.
>
> Walt
>
>
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___________________________________________________________________________
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