Ign:1 http://archive.ubuntu.com/ubuntu yakkety InRelease
Ign:2 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease
Ign:3 http://archive.ubuntu.com/ubuntu yakkety-updates InRelease
Err:4 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial Release
404 Not Found
Ign:5 http://archive.ubuntu.com/ubuntu yakkety-security InRelease
Err:6 http://archive.ubuntu.com/ubuntu yakkety Release
404 Not Found [IP: 91.189.88.152 80]
Err:7 http://archive.ubuntu.com/ubuntu yakkety-updates Release
404 Not Found [IP: 91.189.88.152 80]
Err:8 http://archive.ubuntu.com/ubuntu yakkety-security Release
404 Not Found [IP: 91.189.88.152 80]
Reading package lists... Done
E: The repository 'http://archive.ubuntu.com/ubuntu yakkety Release' does no longer 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.
E: The repository 'http://archive.ubuntu.com/ubuntu yakkety-updates Release' does no longer 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.
E: The repository 'http://archive.ubuntu.com/ubuntu yakkety-security Release' does no longer 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.