Scientific Linux 5 End of Life

By jake The Scientific Linux project has announced that Scientific Linux 5 has reached its end of life. “After March 31 2017 Scientific Linux 5 will not receive further updates
and the files will be archived.

The existing files will be moved into for archival
purposes after March 31 2017.

This will break existing yum repos and kickstarts using the official
distribution servers.”

From: LWN