[Octave-bug-tracker] [bug #54246] octave PPA error with Ubuntu 18.04

[Ceral Paquet]

URL:
  <http://savannah.gnu.org/bugs/?54246>

                 Summary: octave PPA error with Ubuntu 18.04
                 Project: GNU Octave
            Submitted by: octavebugs
            Submitted on: Wed 04 Jul 2018 05:16:17 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.4.0
        Operating System: GNU/Linux

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Details:

I just updated to Ubuntu 18.04 and wanted to get the more recent Octave stable
release. Following the instructions on the wiki page
(http://wiki.octave.org/Octave_for_Debian_systems#Octave.27s_Personal_Package_Archive_.28PPA.29_for_Ubuntu)
led to this error message:

```
$ sudo apt-add-repository ppa:octave/stable

The latest version of GNU Octave built for all supported Ubuntu releases. GNU
Octave is normally distributed with Ubuntu, this PPA is for you if you have a
need to use a newer version of Octave than what you can already get from your
installed version of Ubuntu.

Simply follow the instructions below to add this PPA to your system and
install the octave package. If it's not that easy or you encounter any errors,
contact the team and let us know.

Much credit goes to the Debian Octave Group who maintain the official Debian
packages that this work is derived from. Without their efforts to bring Octave
packaging to such a high level of quality in Debian and Debian derivatives,
this PPA would not be here.

More info: https://launchpad.net/~octave/+archive/ubuntu/stable
Press [ENTER] to continue or Ctrl-c to cancel adding it.

Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease                    
                                                
Hit:3 http://dl.google.com/linux/chrome/deb stable Release                    
                                                
Hit:4 http://linux.teamviewer.com/deb stable InRelease                        
           
Hit:5 http://linux.teamviewer.com/deb preview InRelease                       
           
Hit:6 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease            
               
Hit:7 http://security.ubuntu.com/ubuntu bionic-security InRelease             
               
Ign:8 http://ppa.launchpad.net/octave/stable/ubuntu bionic InRelease          
               
Hit:9 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease    
Err:10 http://ppa.launchpad.net/octave/stable/ubuntu bionic Release          
  404  Not Found [IP: 91.189.95.83 80]
Reading package lists... Done                      
E: The repository 'http://ppa.launchpad.net/octave/stable/ubuntu bionic
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.
```




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