[Tfug] Got a good one here: Paul's printer paradox

[Jim March]

JD, yeah, I think I can riff off of that well enough :).  Lemme be clear
though: the parts I need to tweak are "04b9" and "8000", right?  (And if
so, yeah, I know how to decipher that.)  Other than that, use your code?

Thanks!

Jim

On Sun, May 6, 2012 at 4:15 PM, JD Rogers <rogersjd at gmail.com> wrote:

> I second Ian's suggestion. I had to do something similar for accessing
> a usb license dongle from within qemu.
>
> There are howto's out there, but I created a group called "usbusers",
> added the user to the group, created a file:
> /etc/udev/rules.d/60-zemaxkey.rules
> SUBSYSTEM!="usb_device", ACTION!="add", GOTO="key_rules_end"
> # Zemax Key
> SYSFS{idVendor}=="04b9", SYSFS{idProduct}=="8000", GROUP="usbusers",
> MODE="0660"
> LABEL="key_rules_end"
>
> Obviously, you need to change the idVendor and product number to match
> the printer or scanner. I forget if there are any other steps, but
> that along with some googling ought to get you there.
>
> On Sun, May 6, 2012 at 5:52 PM, Ian McEwen
> <ianmcorvidae at ianmcorvidae.net> wrote:
> > I'd research udev; you can probably give the device a persistent
> > identifier and set permissions using a udev script. I've seen similar
> > things done for e.g. automounting USB without needing all the GNOME/KDE
> > cruft.
> >
> > On Sun, May 06, 2012 at 03:15:57PM -0700, Jim March wrote:
> >> I have a buddy name of Paul.  He has a new scanner/printer thing by
> >> Brother, an MFC-9325CW.  I got all the drivers off of Brother's site -
> he's
> >> running Mint 12 32bit (similar to Ubuntu Oneiric).
> >>
> >> I have everything working, but there's a quirk in the scanner (USB
> >> connected, where the printer is wireless).  When I start xsane it
> throws a
> >> permissions error.
> >>
> >> The cure is to first, do an lsusb like so:
> >>
> >> sharon at sharon-Compaq-Presario-
> >> CQ50-Notebook-PC ~ $ lsusb
> >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> >> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> >> Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> >> Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> >> Bus 002 Device 002: ID 04f9:029f Brother Industries, Ltd
> >> Bus 004 Device 002: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop
> Laser
> >>
> >> THEN, based on the bus and device ID, I have to craft a chmod command -
> in
> >> the above case, like so:
> >>
> >> sudo chmod a+w /dev/bus/usb/004/002
> >>
> >> I can then start up xsane and it works great.
> >>
> >> BUT, I get different USB bus and device IDs at every boot, so...this
> isn't
> >> a persistent solution.
> >>
> >> Right now I have an ugly hack in there: in their taskbar icon for xsane
> I
> >> added "gksudo" first, to run xsane as root.  This too works, so long as
> you
> >> agree to xsane's severe warning against the practice.
> >>
> >> What I need is a quick script that runs lsusb, queries the bus and
> device
> >> IDs for the line with "Brother" in it, and then spits that out into a
> chmod
> >> command and then runs xsane.  Package that as a desktop icon and call it
> >> good, right?
> >>
> >> Or is there another persistent way to skin this cat?
> >>
> >> If it was just for me, I'd say screw it and just run lsusb and chmod
> when I
> >> want to scan (which for most folk isn't that often) but...they're not
> real
> >> geeky...
> >>
> >> Help?
> >>
> >> I've BCCed Paul on this :).
> >>
> >> Jim
> >
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> >
> > --
> > Ian McEwen <ianmcorvidae at ianmcorvidae.net> <ihm08 at hampshire.edu>
> > A262 D5C4 40CB 0E1C 5F24 C3A1 ABED 1ABD 7131 A76F
> > http://ianmcorvidae.net/
> >
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