Plesk admin received the following email:
Reason: 2023-04-06 06:26:11 INFO: pum is called with arguments: ['--list', '--repo-info', '--json']
2023-04-06 06:26: 13 ERROR:
2023-04-06 06:26:13 ERROR: Exited with returncode 1.
In Plesk > Tools & Settings > System Updates page the following error is present:
2023-04-07 10:35:54 ERROR: W:GPG error: https://repo.imunify360.cloudlinux.com/imunify360/debian/11 bullseye InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8C55A6628608CB71, E:The repository 'https://repo.imunify360.cloudlinux.com/imunify360/debian/11 bullseye 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.
System updates via
apt command cannot be installed with the same error.
Misconfiguration of Imunify repositories.
Connect to the server via SSH
Update Imunify Agent license:
# imunify360-agent update-license
Add the Imunify repositories to the system:
# wget -O RPM-GPG-KEY-CloudLinux https://repo.imunify360.cloudlinux.com/defense360/RPM-GPG-KEY-CloudLinux
apt-key add RPM-GPG-KEY-CloudLinux<