[09:19:04 root @ test ~]# yum search lsb
……
redhat-lsb-core.i686 : LSB Core module support
redhat-lsb-core.x86_64 : LSB Core module support
redhat-lsb-cxx.i686 : LSB CXX module support
redhat-lsb-cxx.x86_64 : LSB CXX module support
……
redhat-lsb.i686 : Implementation of Linux Standard Base specification
redhat-lsb.x86_64 : Implementation of Linux Standard Base specification

[09:19:24 root @ pdt-1 ~]# yum install redhat-lsb
……