Symptoms
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.
Cause
Misconfiguration of Imunify repositories.
Resolution
-
Connect to the server via SSH
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Update Imunify Agent license:
# imunify360-agent update-license
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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<