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NOTICE: YUM: Cannot retrieve repository metadata error in Debian 9

If you encounter the error «NOTICE: YUM: Cannot retrieve repository metadata» when trying to update packages on your Debian 9 system, don’t panic. This issue is not critical and can be easily fixed.

Cause of the error

This error usually occurs due to problems accessing package repositories or with the metadata information required for updating. This can happen due to incorrect repository configuration or network connection issues.

How to fix the error

Here are several steps you can take to fix this error:

• sudo apt-get update: Try updating the package information first using this command. The problem may be resolved after this step.
• sudo apt-get upgrade: After updating the package information, try performing a package upgrade.
• Check the configuration files in /etc/apt/sources.list and make sure they point to the correct repositories.
• Check your network connection, make sure your computer has internet access, and that the network settings are configured correctly.

If the problem persists after following these steps, try finding additional information in the logs or seek assistance from the Debian community.

Conclusion

The «NOTICE: YUM: Cannot retrieve repository metadata» error can be annoying, but there’s no need to panic. By following simple steps, you can easily fix this problem and continue updating your Debian 9 system.

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