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Hello I have Ubuntu 20.04 and I installed grub-customizer this 2 commands First:- sudo add-apt-repository ppa:danielrichter2007/grub-customizer and Second:- sudo apt install grub-customizer and after installing, it works perfectly but everytime when I type this command to do update via terminal the command sudo apt update gives this output :-

Ign:8 http://ppa.launchpad.net/danielrichter2007/grub-customizer/ubuntu focal InRelease
Err:9 http://ppa.launchpad.net/danielrichter2007/grub-customizer/ubuntu focal Release
  404  Not Found [IP: 91.189.95.85 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/danielrichter2007/grub-customizer/ubuntu focal 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 don't know what and why is this but want to solve it. Thankyou.

1 Answers1

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I installed grub customizer from the instruction on the authors site here. https://launchpad.net/grub-customizer From that page it reads

How to install:

  • Ubuntu 19.10 or newer: Just run sudo apt install grub-customizer - exists in repository
N0rbert
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David
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  • I removed the grub-customizer ppa main code and source code from other software section in software & updates app but what if I have to update the app how will I come to know that the app has a update released? @David – Piyush Mhatre Mar 05 '21 at 13:12
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    Look at the link on the right side it has been years since an update. So check back there once in a long while. – David Mar 05 '21 at 13:40
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    It's probably safe to say that program is suffering permanent bitrot now... – Thomas Ward Mar 05 '21 at 17:42
  • What's bitrot? @ThomasWard – Piyush Mhatre Mar 06 '21 at 05:45
  • @PiyushMhatre it means that it is unmaintained and likely to have issues as time goes forth - just like wood rots over time, so does unmaintained programs and code. – Thomas Ward Mar 06 '21 at 16:20