When I run sudo apt update on my Ubunutu 16.10 I get the following error message:
E:The repository 'http://archive.canonical.com/ubuntu yakkety Release' does not have a Release file.,
W:Updating from such a repository can't be done securely, and is therefore disabled by default.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
E:The repository 'http://archive.ubuntu.com/ubuntu yakkety Release' does not have a Release file.,
W:Updating from such a repository can't be done securely, and is therefore disabled by default.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
E:The repository 'http://archive.ubuntu.com/ubuntu yakkety-updates Release' does not have a Release file.,
W:Updating from such a repository can't be done securely, and is therefore disabled by default.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
E:The repository 'http://archive.ubuntu.com/ubuntu yakkety-backports Release' does not have a Release file.,
W:Updating from such a repository can't be done securely, and is therefore disabled by default.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
E:The repository 'http://archive.ubuntu.com/ubuntu yakkety-security Release' does not have a Release file.
