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Error NOTICE: YUM: Cannot retrieve repository metadata in Ubuntu 18.04

If you’ve encountered the error «NOTICE: YUM: Cannot retrieve repository metadata» while trying to update your Ubuntu 18.04 system, don’t worry – we’re here to help you sort out this issue and successfully update your system.

Step 1: Check Your Internet Connection

First, make sure your computer is connected to the internet. Open a web browser and try to load any webpage to ensure the connection is working correctly. If you have issues with your internet connection, contact your service provider.

Step 2: Check YUM Settings

Open a terminal and execute the following commands:

sudo yum clean all
sudo yum update

These commands will help clear the cache and update the package list. After running these commands, try updating the system again.

Step 3: Check Repository Settings

Sometimes the problem may be related to the repository settings. Make sure all repositories are configured correctly. You can check the /etc/yum.repos.d file and make sure all repositories are accessible and up-to-date.

Step 4: Check Proxy Server Configuration

If you are using a proxy server to access the internet, make sure the proxy server configuration is set up correctly. Check the proxy settings in the /etc/yum.conf file and make sure they are correct.

By following these four steps, you will be able to successfully resolve the error «NOTICE: YUM: Cannot retrieve repository metadata» and update your Ubuntu 18.04 system without problems. Don’t hesitate to ask for help if you have any further questions or problems.

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