Ошибка WARNING: APT: The following signatures were invalid в CentOS 8

If you’re a CentOS 8 user, you may have encountered the frustrating error message: WARNING: APT: The following signatures were invalid. This error can occur when trying to update or install packages using the APT package manager. Fortunately, there are several steps you can take to troubleshoot and resolve this issue.

1. Update the Package Lists

The first step in resolving this error is to update the package lists on your CentOS 8 system. You can do this by running the following command:

sudo apt-get update

2. Check for GPG Key Errors

Another common cause of the ‘following signatures were invalid’ error is GPG key issues. To check for any GPG key errors, run the following command:

sudo apt-key list

3. Refresh the GPG Keys

If you find any GPG key errors, you can try refreshing the keys using the following command:

sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com [KEY]

4. Clear the Package Cache

Sometimes, the error can be caused by corrupted or outdated cached packages. To clear the package cache, run the following command:

sudo apt-get clean

5. Reinstall the Problematic Package

If the issue persists, you can try reinstalling the problematic package. Use the following command to reinstall the package:

sudo apt-get install --reinstall [PACKAGE NAME]

6. Contact CentOS Support

If none of the above solutions work, it may be necessary to contact CentOS support for further assistance. They can provide additional troubleshooting steps or guidance on resolving the error.

By following these steps, you should be able to troubleshoot and resolve the ‘WARNING: APT: The following signatures were invalid’ error in CentOS 8. Remember to always keep your system updated and regularly check for any package errors to avoid encountering similar issues in the future.