I am trying to upgrade to 21.04, but receive this error:
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., W:GPG error: http://dk.archive.ubuntu.com/ubuntu bionic-updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3B4FE6ACC0B21F32, E:The repository 'http://dk.archive.ubuntu.com/ubuntu bionic-updates InRelease' is not signed., 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., W:GPG error: http://archive.canonical.com/ubuntu bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3B4FE6ACC0B21F32, E:The repository 'http://archive.canonical.com/ubuntu bionic InRelease' is not signed.
I have done a "grep InRelease *" in the /etc/apt directory as well as the /etc/apt/sources.list.d dir, and it comes up empty:
➜ apt grep InRelease *
grep: apt.conf.d: Is a directory
grep: auth.conf.d: Is a directory
grep: preferences.d: Is a directory
grep: sources.list.d: Is a directory
grep: trusted.gpg.d: Is a directory
➜ apt cd sources.list.d
➜ sources.list.d grep InRelease *
➜ sources.list.d
So I am a bit puzzled as to where this repo is configured? How do I get past this?
Running:
➜ sources.list.d lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.10
Release: 20.10
Codename: groovy
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