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I have attached a screenshot of the message I get when using sudo apt-get update.

I attempted to use the repositories in the past but did not succeed. I now wish to get rid of these messages.

Any advice on where to go and remove these entries? Probably a config file I have to edit.

enter image description here

E: The repository 'http://ppa.launchpad.net/falk-t-j/qtsixa/ubuntu disco Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/materieller/teamspeak3/ubuntu disco Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

I am using Kubuntu version 19.04, KDE PLasma version 5.15.4

Thanks

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  • I think it would be better to post the text of the screenshot instead of the screenshot, as a search engine is not able to parse the image. Please also describe which version of Kubuntu you are using.
    – Yeti
    Commented May 28, 2019 at 9:15
  • I edited my original post so it contains Kubuntu version and also thje actual terminal text. Sorry I had trouble formatting the text
    – checkmate
    Commented May 28, 2019 at 9:50

1 Answer 1

Reset to default
2

Fixed it myself. I just unticked the software sources in the Software and Updates application in UBuntu. Thanks all

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  • You should accept your own answer, so that it is clear, that this question is answered.
    – Yeti
    Commented May 29, 2019 at 6:45

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