I dont know exactly why but since some days runs following errors when I run apt update:
Err:17 https://repo.charm.sh/apt * InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03BBF595D4DFD35C
Reading package lists... Done
W: GPG error: https://repo.charm.sh/apt * InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03BBF595D4DFD35C
E: The repository 'https://repo.charm.sh/apt * 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
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Heya,
The error you’re encountering means that the public key for the repository
https://repo.charm.sh/aptis missing, which preventsaptfrom verifying the authenticity of the repository. This is a common issue when a repository’s signing key is not imported to your system.To fix this issue, follow these steps:
You can manually download and add the missing public key. The error message mentions the key ID
03BBF595D4DFD35C, which you can use to retrieve the public key.Run the following commands:
This command retrieves the missing key from the Ubuntu keyserver. If this doesn’t work, try a different keyserver:
After adding the key, you can verify that the key was successfully added by running:
Look for the key
03BBF595D4DFD35Cin the output.Once the key is added, update the package list again to see if the error is resolved:
This should now successfully update the package lists without the GPG error.
Alternative: Re-add the Repository
If the problem persists, the repository configuration might have changed. You can remove and then re-add the repository as follows:
/etc/apt/sources.list.d/:Then, re-add the repository with the updated signing key by following the instructions on the official website for
https://repo.charm.sh.