I am new CentOS, I tried to install openssh usingyum -y install openssh-server openssh-clientswhich resulted in Loaded plugins: fastestmirror, refresh-packagekit, securityLoading mirror speeds from cached hostfileCould not retrieve mirrorlist http://mirrors.rpmfusion.org/mirrorlist?repo=free-fedora-6&arch=x86_64 error was14: PYCURL ERROR 6 - Couldn't resolve host 'mirrors.rpmfusion.org'Error: Cannot find a valid baseurl for repo: rpmfusion-freeI tried yum clean all did not helpyum update --disablerepo=rpmfusion  shows Loaded plugins: fastestmirror, refresh-packagekit, security Error getting repository data for rpmfusion, repository not found
yum update baseurl error
yum;repository;centos