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Thread: network connection problems. Ubuntu 18.04

  1. #1
    Join Date
    Nov 2013
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    network connection problems. Ubuntu 18.04

    When I am downloading files such as ubuntu distributions I drop the network connection. I lose all the LAN settings and I have to restart the computer.


    I have a newly installed 18.04 distribution (I thought it was a version issue).


    Any idea how to analyze what can happen? The problem does not appear from a Windows computer connected to the same lan.


    regards

  2. #2
    Join Date
    Oct 2009
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    Reykjavk, sland
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    Xubuntu 19.10 Eoan Ermine

    Re: network connection problems. Ubuntu 18.04

    If you download using wget from the command line do you get any error messages?
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  3. #3
    Join Date
    Nov 2013
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    17

    Re: network connection problems. Ubuntu 18.04

    Hi, using wget it is the same behaviour

    wget http://releases.ubuntu.com/19.04/ubu...ktop-amd64.iso

    Start the download and after maybe 2 min the velocity decrease and lost the connectivity. I have another pc with windows running in the same LAN and this pc works fine. I have install 16.04 LTS and the problem it is the same.

    Can i check if there is any problem with the network card?

    Thanks a lot for your help

  4. #4
    Join Date
    Oct 2009
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    Reykjavk, sland
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    Xubuntu 19.10 Eoan Ermine

    Re: network connection problems. Ubuntu 18.04

    I don't know much about network problems but other people here do.
    They would probably prefer if you began with the guide for troubleshooting.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  5. #5
    Join Date
    Nov 2013
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    17

    Re: network connection problems. Ubuntu 18.04

    Thanks a lot for the information. The information is about Wireless connection. My problem is in PC (no laptop) and using LAN (wired conecction) conection. Is there any information similar to indetify problems with wired conection?

    Regards

  6. #6
    Join Date
    Oct 2009
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    Xubuntu 19.10 Eoan Ermine

    Re: network connection problems. Ubuntu 18.04

    I am aware that the script is mainly for solving wireless problems but since we don't have any data at all we can only hope that it might show something of interest.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  7. #7
    Join Date
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    Kubuntu Development Release

    Re: network connection problems. Ubuntu 18.04

    You're not trying to have both a wired and a wireless connection from the same machine, are you? That can cause problems with packet routing. Just use the wired connection and disable the wireless.
    If you ask for help, do not abandon your request. Please have the courtesy to check for responses and thank the people who helped you.

    Blog Linode System Administration Guides Android Apps for Ubuntu Users

  8. #8
    Join Date
    Nov 2013
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    17

    Re: network connection problems. Ubuntu 18.04

    Hi, it is a desktop machine. There is no wireless connection. Only wired card.

    There is any script to monitor wired activity?

    Regards.

  9. #9
    Join Date
    Aug 2016
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    Wandering
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    Hidden!
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    Xubuntu Development Release

    Re: network connection problems. Ubuntu 18.04

    With realization of one's own potential and self-confidence in one's ability, one can build a better world.
    Dalai Lama>>
    Code Tags

  10. #10
    Join Date
    Nov 2013
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    17

    Re: network connection problems. Ubuntu 18.04

    Thanks a lot for your response. I have installed bmon y tcptrack. I can not find the correct ethernet interface. When i launch bmon process only display interface

    enp0s5

    This interface increase the velocity up 11Mb/s (when i start to download the ubuntu image) and after a few minutes decrease to 0 and i can not connect to internet. I need to restart the computer to access to internet. Any idea how t identify the problem?

    Regards.

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