lowk3y

1) Download http://open.rhx.it/phamm/schema/radius.schema
2) use this script to convert .schema to .ldif - https://gist.github.com/jaseg/8577024
3) add schema 
    # sudo ldapadd -Q -Y EXTERNAL -H ldapi:/// -f radius.ldif
    
4) verify
    # sudo ldapsearch -Q -LLL -Y EXTERNAL -H ldapi:/// -b \ cn=schema,cn=config dn