[ubuntu] - can't add repo on ubuntu 20.04 (Focal Fossa)

[rajattrt]

Console error -

(p36) rajat@rajat:/usr/local/lib/python3.6$ sudo add-apt-repository ppa:nathan-renniewaldock/flux
[sudo] password for rajat: 
 GUI for f.lux
https://justgetflux.com/

Bugs/feature requests should be directed to: https://github.com/xflux-gui/xflux-gui
I do not develop this, only provide a PPA.
 More info: https://launchpad.net/~nathan-renniewaldock/+archive/ubuntu/flux
Press [ENTER] to continue or Ctrl-c to cancel adding it.

Hit:1 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu focal InRelease                                                                               
Hit:2 http://dl.google.com/linux/chrome/deb stable InRelease                                                                                         
Hit:3 http://packages.microsoft.com/repos/vscode stable InRelease                                                                                    
Hit:4 http://in.archive.ubuntu.com/ubuntu focal InRelease                                                                      
Hit:5 http://in.archive.ubuntu.com/ubuntu focal-updates InRelease                                        
Get:6 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]                                
Hit:7 http://in.archive.ubuntu.com/ubuntu focal-backports InRelease           
Ign:8 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu focal InRelease
Err:9 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu focal Release                 
  404  Not Found [IP: 2001:67c:1560:8008::15 80]
Get:10 http://security.ubuntu.com/ubuntu focal-security/main amd64 DEP-11 Metadata [24.3 kB]  
Get:11 http://security.ubuntu.com/ubuntu focal-security/universe amd64 DEP-11 Metadata [55.4 kB]
Reading package lists... Done                
E: The repository 'http://ppa.launchpad.net/nathan-renniewaldock/flux/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.

OS info -

(p36) rajat@rajat:/usr/local/lib/python3.6$ cat /etc/os-release 
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

[abejaranoh]

there is no package for focal yet. you can as workaround: change the line on your sources.list from "focal" to "bionic". that might work

[rambo1462]

there is no package for focal yet. you can as workaround: change the line on your sources.list from "focal" to "bionic". that might work

This worked for me. Thanks! Someone should put these instructions in the readme file

[ShipraShalini]

there is no package for focal yet. you can as workaround: change the line on your sources.list from "focal" to "bionic". that might work

For me it didn't work, I am getting the following error after updating to bionic:

shipra@localhost:/etc/apt/sources.list.d$ sudo apt-get update
Hit:1 http://in.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://in.archive.ubuntu.com/ubuntu focal-updates InRelease                                            
Get:3 http://dl.google.com/linux/chrome/deb stable InRelease [1,811 B]                                       
Hit:4 http://in.archive.ubuntu.com/ubuntu focal-backports InRelease                                          
Hit:5 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu bionic InRelease                             
Hit:6 http://security.ubuntu.com/ubuntu focal-security InRelease    
Hit:7 http://download.opensuse.org/repositories/home:/manuelschneid3r/xUbuntu_20.04  InRelease
Err:3 http://dl.google.com/linux/chrome/deb stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 78BD65473CB3BD13
Get:8 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu bionic/main Sources [748 B]
Reading package lists... Done   
W: GPG error: http://dl.google.com/linux/chrome/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 78BD65473CB3BD13
E: The repository 'http://dl.google.com/linux/chrome/deb stable InRelease' is not signed.
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.

[abejaranoh]

Hi Shipra,

be aware that the line causing the error is the one for "chrome" and not the one for fluxgui. So you can go on with the install

[carlos-mg89]

In case someone doesn't know how to find the file to be edited and what to change:

• Edit this file with sudo: sudo vim /etc/apt/sources.list.d/nathan-renniewaldock-ubuntu-flux-groovy.list
• Change where it says groovy for bionic
• Try installing the app again with: sudo apt-get install fluxgui

Thanks for the tip @abejaranoh

[thesauravkarmakar]

@abejaranoh Should I add this modification to README.md?

[abejaranoh]

@abejaranoh Should I add this modification to README.md?

yes please

[thesauravkarmakar]

@abejaranoh Should I add this modification to README.md?

yes please

Added the PR #146

[ntc2]

The PPA hasn't been updated since 2019 -- and it's not maintained by me -- so I don't think this is going to happen: https://launchpad.net/~nathan-renniewaldock/+archive/ubuntu/flux