I'm trying to update from Ubuntu 17.04 and it is saying the following:
E:The repository 'http://archive.ubuntu.com/ubuntu stable 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 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 unstable 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 jessie 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 cloud-sdk-zesty 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 apt/stable/ Release' does not have a Release file.
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The message is indeed one giant line from the update manager. What can I do to fix this?
