le boot info sur ligne de commande terminal ne marche pas. J ai vu le tuto et j ai essayer d installer comme ils disent. Et la version de ubuntu que .j utilise est 17.10
pour boot info il dit ca :
sudo add-apt-repository -y ppa:yannubuntu/boot-repair && sudo apt update && sudo apt install -y boot-info
gpg: keybox '/tmp/tmp41rqpscq/pubring.gpg' created
gpg: /tmp/tmp41rqpscq/trustdb.gpg: trustdb created
gpg: key 32B18A1260D8DA0B: public key "Launchpad PPA for YannUbuntu" imported
gpg: Total number processed: 1
gpg: imported: 1
OK
Ign:1 cdrom://Ubuntu 17.10 _Artful Aardvark_ - Release amd64 (20171018) artful InRelease
Hit:2 cdrom://Ubuntu 17.10 _Artful Aardvark_ - Release amd64 (20171018) artful Release
Hit:4
http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu artful InRelease
Ign:5
http://archive.ubuntu.com/ubuntu artful InRelease
Ign:6
http://archive.ubuntu.com/ubuntu artful-updates InRelease
Ign:7
http://security.ubuntu.com/ubuntu artful-security InRelease
Err:8
http://archive.ubuntu.com/ubuntu artful Release
404 Not Found [IP: 91.189.88.173 80]
Err:9
http://archive.ubuntu.com/ubuntu artful-updates Release
404 Not Found [IP: 91.189.88.173 80]
Err:10
http://security.ubuntu.com/ubuntu artful-security Release
404 Not Found [IP: 91.189.91.26 80]
Reading package lists... Done
E: The repository '
http://archive.ubuntu.com/ubuntu artful Release' no longer has 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://archive.ubuntu.com/ubuntu artful-updates Release' no longer has 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://security.ubuntu.com/ubuntu artful-security Release' no longer has 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.
ubuntu@ubuntu:~$ sudo boot-info
sudo: boot-info: command not found