tying to apt-get update after AppCenter fails to find updates. Current sources.list uses juno. Is the server down, or is this something else? Ign:1 http://packages.elementary.io/appcenter juno InRelease Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease Err:3 http://packages.elementary.io/appcenter juno Release 404 Not Found [IP: 2606:4700:30::681c:42c 80] Hit:4 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease Hit:5 http://security.ubuntu.com/ubuntu bionic-security InRelease Ign:6 http://ppa.launchpad.net/elementary-os/stable/ubuntu juno InRelease Hit:7 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease Ign:8 http://ppa.launchpad.net/elementary-os/os-patches/ubuntu juno InRelease Err:9 http://ppa.launchpad.net/elementary-os/stable/ubuntu juno Release 404 Not Found [IP: 91.189.95.83 80] Err:10 http://ppa.launchpad.net/elementary-os/os-patches/ubuntu juno Release 404 Not Found [IP: 91.189.95.83 80] Reading package lists... Done E: The repository 'http://packages.elementary.io/appcenter juno 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. E: The repository 'http://ppa.launchpad.net/elementary-os/stable/ubuntu juno 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. E: The repository 'http://ppa.launchpad.net/elementary-os/os-patches/ubuntu juno 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.