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Thread: Synoptic Package Manager won't start

  1. #1
    Join Date
    Aug 2008
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    Synoptic Package Manager won't start

    E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.
    E: _cache->open() failed, please report.
    As I just started using Ubuntu today, I am now lost...

    What do I do now?

  2. #2
    Join Date
    Feb 2005
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    Melbourne, Australia
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    13,510
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    Ubuntu 14.04 Trusty Tahr

    Re: Synoptic Package Manager won't start

    Quote Originally Posted by jbeukema View Post
    As I just started using Ubuntu today, I am now lost...

    What do I do now?
    Applications-Accessories-Terminal, and type this in:

    Code:
    sudo dpkg --configure -a
    Regards, David.
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  3. #3
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    Aug 2008
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    Re: Synoptic Package Manager won't start

    Quote Originally Posted by dcstar View Post
    Applications-Accessories-Terminal, and type this in:

    Code:
    sudo dpkg --configure -a
    That did the trick

    No, what did we actually do and will I use these commands often?

    is there a tutorial on Ubuntu's command line somewhere?

  4. #4
    Join Date
    Dec 2005
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    Western Australia
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Synoptic Package Manager won't start

    Quote Originally Posted by jbeukema View Post
    That did the trick

    No, what did we actually do and will I use these commands often?
    Well, the package manager had been interrupted while installing packages. Your question about "what's this error message" is very common, which makes me think that Linux newbies close the Synaptic window prematurely.

    The command you put in just tells the package manager to resume installing from where it left off.

    Also, when people are installing Java on the command-line, they get a text-based license agreement screen where they have to push Tab to highlight the "I Agree" button. If they don't know that, they might close the window and leave the package manager in an inconsistent state. That's why I ALWAYS recommend that people install Java from Synaptic Package Manager, because it brings up the license agreement in a nice, friendly GUI screen.

    is there a tutorial on Ubuntu's command line somewhere?
    www.linuxcommand.org is a good one for general command-line use on Linux. It doesn't go into Ubuntu-specific commands and it doesn't go much into the various options you can use with command-line programs.

    There's an on-demand manual system called "man". If you need help with a command, just type "man" and the command name. For instance:

    Code:
    man apt-get
    man grep
    man chmod
    I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary. My instructions will work within the Ubuntu system, instead of breaking or subverting it. Those are the three guarantees to the helpee.

  5. #5
    Join Date
    Aug 2008
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    39

    Re: Synoptic Package Manager won't start

    Danke! ^.^

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