no, wait, that is a different error message. When I run unprivileged, I get
Err:1 http://ports.ubuntu.com/ubuntu-ports focal InRelease At least one invalid signature was encountered. Err:2 http://ports.ubuntu.com/ubuntu-ports focal-updates InRelease At least one invalid signature was encountered. Err:3 http://ports.ubuntu.com/ubuntu-ports focal-backports InRelease At least one invalid signature was encountered. Err:4 http://ports.ubuntu.com/ubuntu-ports focal-security InRelease At least one invalid signature was encountered. Reading package lists... Done W: GPG error: http://ports.ubuntu.com/ubuntu-ports focal InRelease: At least one invalid signature was encountered. E: The repository 'http://ports.ubuntu.com/ubuntu-ports focal InRelease' is not signed. 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. W: GPG error: http://ports.ubuntu.com/ubuntu-ports focal-updates InRelease: At least one invalid signature was encountered. E: The repository 'http://ports.ubuntu.com/ubuntu-ports focal-updates InRelease' is not signed. 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. W: GPG error: http://ports.ubuntu.com/ubuntu-ports focal-backports InRelease: At least one invalid signature was encountered. E: The repository 'http://ports.ubuntu.com/ubuntu-ports focal-backports InRelease' is not signed. 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. W: GPG error: http://ports.ubuntu.com/ubuntu-ports focal-security InRelease: At least one invalid signature was encountered. E: The repository 'http://ports.ubuntu.com/ubuntu-ports focal-security InRelease' is not signed. 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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890332 Title: apt update fails on docker arm container 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libseccomp/+bug/1890332/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs