??? Make the yum.repos.d your current directory.
??? cd /etc/yum.repos.d

??? Download the public-yum-ol6.repo package from the repository.
??? wget http://public-yum.oracle.com/public-yum-ol6.repo

??? Check that glibc.i686 is ready for installation and install it.
??? yum list
??? yum install glibc.i686