when this error come......

rlm_sql (sql): Could not link driver rlm_sql_mysql: rlm_sql_mysql.so: cannot open shared object file: No such file or directory
rlm_sql (sql): Make sure it (and all its dependent libraries!) are in the search path of your system's ld.
radiusd.conf[14]: sql: Module instantiation failed.

solution:
just yum freeradius-mysql
and install it..

settle my problem
so easy ma