2010/9/8 casey roberts <caseyir at gmail.com>: > Good morning all, I ran an 'yum update' and have been receiving the > following errors: > > Loaded plugins: fastestmirror > Determining fastest mirrors > Could not retrieve mirrorlist > http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=addons error was > [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name > resolution')> > Could not retrieve mirrorlist > http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=os error was > [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name > resolution')> > Could not retrieve mirrorlist > http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=extras error was > [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name > resolution')> > Could not retrieve mirrorlist > http://mirrorlist.centos.org/?release=5&arch=x86_64&repo=updates error was > [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name > resolution')> is your dns working correctly? what is ouput from command : host mirrorlist.centos.org on that machine? -- Eero, RHCE