• ubuntu DNS 导致apt-get install 无效问题


    There are two parts to your question:

    • fixing temporary resolve messages
    • fixing the package management issues

    Temporary resolve

    It is likely that this issue is either:

    • temporary due to your Internet Service Provider not correctly forwarding internet naming (DNS) to either its or external DNS servers, or
    • due to a change in your network has similarly blocked this naming - for example, new router/modem, reconfiguring a switch with a new configuration.

    Lets look at the possible DNS resolving issues.

    First, temporarily add a known DNS server to your system.

    echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf > /dev/null
    

    Then run sudo apt-get update.

    If this fixes your temporary resolving messages then either wait for 24 hours to see if your ISP fixes the issue for you (or just contact your ISP) - or you can permanently add a DNS server to your system:

      echo "nameserver 8.8.8.8" | sudo tee /etc/resolvconf/resolv.conf.d/base > /dev/null

    8.8.8.8 is Google's own DNS server.

    source

    Another example DNS server you could use is OpenDNS - for example:

    echo "nameserver 208.67.222.222" | sudo tee /etc/resolvconf/resolv.conf.d/base > /dev/null
    

    package-management issues

    In addition to the temporary resolve issues - you have a few package management issues that need to be corrected - I'm assuming you have tried recently to upgrade from one Ubuntu version to the next recommended version - in your case from Natty (11.04) to Oneiric (11.10)

    Open a terminal and type

    sudo nano /etc/apt/sources.list
    

    Look for lines that have your a different distribution name in the list than you were expecting - in your case - you have upgraded to oneiric but you have another release name natty

    For example, look for lines that look like deb http:/archive.canonical.com/ natty backports

    Add a # to the beginning of the line to comment it out - for example

    #deb http:/archive.canonical.com/ natty backports

    Save and re-run:

    sudo apt-get update && sudo apt-get upgrade
    

    You should not have any more release naming errors.

    At the time of writing this, possible common release names include lucidmavericknattyoneiricprecise and quantal

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  • 原文地址:https://www.cnblogs.com/ikaka/p/3938656.html
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