Updated packages have been posted for testing: ftp://ftp.scientificlinux.org/linux/scientific/7rolling/testing/x86_64/ An updated version of the 'sl-release' rpm has been posted to the sl-testing repo. This new version should resolve a surprising dependency loop in the initial bootstraping of an SL 7 system. This change alters the code defining $slreleasever used for the official SL7 yum repos. If no bugs are reported against this package by Dec 15, 2014, it will be published as a bugfix. Please test this package. For more information on yum variables in SL7: http://ftp.scientificlinux.org/linux/scientific/7x/x86_64/release-notes/#_using_sl_yum_variables You can install this update for testing via the sl-testing repo on your SL system: yum --enablerepo=sl-testing update <package you wish to test>