Sometimes, when you want to update your Fedora packages with :
the process fails with an error message similar to:
Error: Cannot retrieve repository metadata (repomd.xml) for repository:
rpmfusion-free-updates. Please verify its path and try again
The first solution (permanent) is to change your yum repository file in /etc/yum.repo.d .
A second (temporary) solution is to use the yum option –disablerepo. To solve the issue related to the example above, type
sudo yum --disablerepo=rpmfusion-free-updates --disablerepo=rpmfusion-nonfree-updates --disablerepo=rpmfusion-free update