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Re^3: baudrate issue with script

by jmlynesjr (Hermit)
on Nov 11, 2012 at 01:45 UTC ( #1003295=note: print w/replies, xml ) Need Help??

in reply to Re^2: baudrate issue with script
in thread baudrate issue with script

This may take a few posts to resolve.

Does it work correctly if run from a root login and fail when run from a regular login? If so, it's a permission issue. What do you get if you plug in your usb device and run the lsusb shell command as root and as a regular login?

I'm not a linux guru, but I did resolve permission issues with installing SANE drivers for a Kodak 5250 AIO printer/scanner with a USB interface. The fix involved creating and assigning myself to a group, in my case "scanner"(step 6) and creating a new rule in the /etc/udev/rules.d/ directory(step 7).

Have you searched Ex: search "setting usb permissions" Or search "udev syntax"


Also google udev rules, or

As an example(from the SANE Scanner fix below:


Thanks to all for your efforts in the development of the CUPS driver/S +ANE backend for Kodak Aio printers! I had previously successfully installed the CUPS driver and would now +like to document my experience installing the SANE backend for Kodak +Aio for an ESP 5250 printer. I run Ubuntu 10.10 on an old IBM Thinkpad laptop and I am a user rath +er than a developer. This process took about 8 +/- hours of reading r +elease notes, readme files, man pages, and forum posts and a good bit + of trial and error. Here's what finally worked for me: 1. From +ckend Downloaded kodakaio-02.4.tar.gz Extracted to /home/kodak direct +ory 2. Installed 3 of the recommended packages. libusb-dev was already ins +talled on my system. sudo apt-get install libcups2-dev sudo apt-get i +nstall libcupsimage2-dev sudo apt-get install libcupsdriver1-dev 3. Followed Release Notes instructions: cd kodakaio-02.4 cd sane-backe +nds-kodakaio-02.4 ./configure --prefix=/usr --sysconfdir=/etc --local +statedir=/var BACKENDS=kodakaio make sudo make install 4. Edited the file /etc/sane.d/kodakaio.conf # net autodiscovery (I do +n't use wifi with this printer) usb 0x040a 0x4041 (ESP 5250 usb codes +) scanimage -L still did not see the scanner 5. Edited the file /etc/sane.d/dll.conf kodakaio scanimage -L now sees + the scanner as root only (Note: The Release Notes seem to be in erro +r here, referencing kodakaio.conf instead of dll.conf. As corrected, +steps 4 and 5 should be reversed to match the Release Notes.) 6. Created a scanner group using system->Administration->Users and Gro +ups and added myself to this group. 7. Created /etc/udev/rules.d/90-libsane.rules LABEL="libsane_usb_rules +_begin" # Kodak ESP 5250 ATTRS{idVendor}=="040a", ATTRS{idProduct}==" +4041", MODE="0664", GROUP="scanner", ENV{libsane_matched}="yes" LABEL +="libsane_usb_rules_end" 8. scanimage -L now sees the scanner as myself(and root) scanimage > mytestscanfile Simple Scan XSane Image Scanning Program Ar +e all working under Ubuntu 10.10 I hope this summary helps someone save a few hours of research.

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