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Thread: Printer Setup requires Authentication

  1. #1
    Senior Member Karibu's Avatar
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    Kelowna, BC Canada
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    Question Printer Setup requires Authentication

    Hi,
    I run KnoppixV702 from USB flash disk and I want to setup a printer.

    lsusb output:
    Bus 001 Device 008: ID 03f0:c602 Hewlett-Packard PhotoSmart D7100 series
    when I start
    --->Menu --->Preferences --->Printing to add a new printer I get the message:
    Priviledges are required to get a list of available devices.
    Authentication is required to perform this action.
    Password:
    What is the password?
    (It is not the password I entered via
    --->Knoppix --->Set password for root
    because it is not accepted)

  2. #2
    Senior Member registered user
    Join Date
    Feb 2010
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    512
    Greetings Karibu!

    I would suggest that you try the following. Search the menu entry "Printing" in the "Preferences" menu and click with the right mouse button. You will see a small menu where you can select "Properties". A window will open named "Application Shortcut". Edit the command string so that it reads "sudo system-config-printer" and click on the OK button. Try again to configure your printer.
    Attached Images Attached Images

  3. #3
    Senior Member Karibu's Avatar
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    Kelowna, BC Canada
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    Excellent!
    Thank you, Klaus, for the immediate help...
    Printer added and working...
    case closed for me!

  4. #4
    Senior Member registered user
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    Sep 2006
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    802

    CUPS can be configured through web interface http://localhost:631

    For the past few years, I have used the web interface to configure CUPS for printer management. Works fine for me as far as I have tried it out.

    http://localhost:631/

    My printers have been auto-detected etc.

  5. #5
    Senior Member Karibu's Avatar
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    @Capricorny
    Thank you for the input.
    My printer was detected too (see above) and as Knoppix comes with "CUPS" already installed, I didn't
    have to do anything more as to slolve the Authentication issue the way Klaus recomended!

  6. #6
    Senior Member registered user
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    Quote Originally Posted by Karibu View Post
    @Capricorny
    Thank you for the input.
    My printer was detected too (see above) and as Knoppix comes with "CUPS" already installed, I didn't
    have to do anything more as to slolve the Authentication issue the way Klaus recomended!
    Forgive me my ignorance about this, but I haven't needed to do anything with the printers recently outside the web interface for CUPS. Having been through a multitude of printer configuration/administration tools over the years, I'm very glad to have one single place to go. But then there must be something I can't do through that web interface? I haven't run into any authentication issues.

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