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ne pas installer sagemath sur Ubuntu 18.04 LTS

Récemment, j'ai installé Ubuntu 64AMD en faisant du démarrage avec Windows 7 32 bits. Tout va bien, mais je ne parviens pas à y installer sagemath. il dit "impossible de localiser le paquet sagemath-upstream-binary" même lorsque le code est correct. puis-je savoir pourquoi?

Voici le code complet que j'ai utilisé:

Sudo apt-add-repository -y ppa:aims/sagemath
Sudo apt-get update
Sudo apt-get install sagemath-upstream-binary

Voici les codes de terminal:

kutubuddin@kutubuddin-h81m-s:~$ Sudo apt-add-repository -y ppa:aims/sagemath
[Sudo] password for kutubuddin: 
Ign:1 http://ppa.launchpad.net/aims/sagemath/ubuntu bionic InRelease           
Get:2 http://security.ubuntu.com/ubuntu bionic-security InRelease [69.9 kB]    
Err:3 http://ppa.launchpad.net/aims/sagemath/ubuntu bionic Release             
  404  Not Found [IP: 91.189.xx.xx xx]
Hit:4 http://in.archive.ubuntu.com/ubuntu bionic InRelease                     
Hit:5 http://in.archive.ubuntu.com/ubuntu bionic-updates InRelease             
Hit:6 http://in.archive.ubuntu.com/ubuntu bionic-backports InRelease           
Reading package lists... Done                                  
E: The repository 'http://ppa.launchpad.net/aims/sagemath/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.
kutubuddin@kutubuddin-h81m-s:~$ Sudo apt-get update
Ign:1 http://ppa.launchpad.net/aims/sagemath/ubuntu bionic InRelease
Get:2 http://security.ubuntu.com/ubuntu bionic-security InRelease [69.9 kB]
Hit:3 http://in.archive.ubuntu.com/ubuntu bionic InRelease                     
Err:4 http://ppa.launchpad.net/aims/sagemath/ubuntu bionic Release             
  404  Not Found [IP: 91.189.xx.xx.xx]
Get:5 http://in.archive.ubuntu.com/ubuntu bionic-updates InRelease [65.4 kB]   
Hit:6 http://in.archive.ubuntu.com/ubuntu bionic-backports InRelease           
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/aims/sagemath/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.
kutubuddin@kutubuddin-h81m-s:~$ Sudo apt-get install sagemath-upstream-binary
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package sagemath-upstream-binary
software-installationgnome-terminal18.04sagemath
6
Primo Raj

Le PPA que vous avez mentionné ne dispose pas de packages pour 18.04 LTS.

Dans le cas d'Ubuntu 18.04 LTS Bionic Beaver , aucun PPA n'est nécessaire pour installer SageMath.

Vous pouvez simplement supprimer le PPA (si ajouté auparavant):

Sudo apt-add-repository -r ppa:aims/sagemath

puis installez sagemath à partir du référentiel:

Sudo apt-get install sagemath
9
N0rbert