Is foobar an existing program or just an example? try: yum install "foobar*" with the quotes included. Alain Spineux wrote: > # yum install foobar > Loading "installonlyn" plugin > Setting up Install Process > Setting up repositories > Reading repository metadata in from local files > Parsing package install arguments > Nothing to do > > Here is the output of my centos 4 > > # yum install foobar > Setting up Install Process > Setting up repositories > Reading repository metadata in from local files > Parsing package install arguments > No Match for argument: foobar <<<<<<<<<<<<<<<<< This is missing in centos5 > Nothing to do > > > any idea