Issue apt cache fetch failed / Package update manager notification

[carlos.pacheco@nanode]

Server operating system version

Ubuntu 22.04

Plesk version and microupdate number

Plesk Obsidian 18.0.67

I have an error every day with automatic updates, I receive notifications every morning with error message like this:

pum is called with arguments: ['--list', '--repo-info', '--json']
/usr/lib/python3/dist-packages/apt/cache.py:562: Warning: W:http://autoinstall.plesk.com/pool/PSA_18.0.66_16134/dists/noble/InRelease: Signature by key 8BADC1A02FC9C07FB8C20EC0BD11A6AA914BDF7E uses weak algorithm (dsa1024), W:An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: Index of /PHP74_17 noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E9299045CE550E57, W:An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: Index of /PHP82_17 noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E9299045CE550E57, W:An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: Index of /PHP83_17 noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E9299045CE550E57, W:https://repo.imunify360.cloudlinux.com/imunify360/ubuntu/24.04/dists/noble/InRelease: Signature by key 9EE467641C635726A184D64B8C55A6628608CB71 uses weak algorithm (dsa1024), W:Failed to fetch http://autoinstall.plesk.com/PHP74_17/dists/noble/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E9299045CE550E57, W:Failed to fetch http://autoinstall.plesk.com/PHP82_17/dists/noble/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E9299045CE550E57, W:Failed to fetch http://autoinstall.plesk.com/PHP83_17/dists/noble/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E9299045CE550E57, W:Some index files failed to download. They have been ignored , or old ones used instead.
res = self._cache.update(fetch_progress, slist, pulse_interval)
2025-06-11 06:25:53 ERROR: Apt cache fetch failed. Try to run the `apt-get update` command.
2025-06-11 06:25:53 ERROR:
2025-06-11 06:25:53 ERROR: Exited with returncode 1.

 

[Sebahat.hadzhi]

Hello, @carlos.pacheco@nanode . Could you please try:

gpg --keyserver keyserver.ubuntu.com --recv-keys E9299045CE550E57
apt-get clean

 

[carlos.pacheco@nanode]

I already tried it, and here's the result: gpg: keyserver receive failed: No data