How to implement Mysql scheduled tasks under Linux

SELECT @@event_scheduler; 
or SHOW VARIABLES LIKE 'event%';

set GLOBAL event_scheduler = 1; 
or SET GLOBAL event_scheduler = ON;

DROP EVENT IF EXISTS JOB_ALARM;
CREATE EVENT JOB_ALARM
 ON SCHEDULE EVERY 10 MINUTE
DO
 BEGIN
  if(date_format(current_time(),'%H')>22 || date_format(current_time(),'%H')<5) THEN
   CALL PRO_ALARM();
  END IF;
END

DROP PROCEDURE IF EXISTS PRO_ALARM; 
CREATE PROCEDURE PRO_ALARM() 
 BEGIN 
  DECLARE userId VARCHAR(32); 
  #This is used to handle the situation where the cursor reaches the last row DECLARE s INT DEFAULT 0; 
  #Declare cursor cursor_name (cursor_name is a multi-row result set) 
  DECLARE cursor_data CURSOR FOR 
   SELECT tmp.USER_ID 
   FROM ( 
       SELECT 
        e.USER_ID, 
        MAX(e.TIME_GMT) TIME_GMT 
       FROM EVENTS 
       GROUP BY e.USER_ID 
       HAVING MAX(e.TIME_GMT) < UNIX_TIMESTAMP() - 60 * 30 
          AND MAX(e.TIME_GMT) > UNIX_TIMESTAMP() - 60 * 60 * 24) tmp 
    INNER JOIN EVENTS t ON tmp.USER_ID = t.USER_ID 
                   AND tmp.TIME_GMT = t.TIME_GMT 
   WHERE TYPE_ID != '34001'; 
  #Set a termination mark DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET s = 1; 
  OPEN cursor_data; 
  #Get the record of the current cursor pointer, read a row of data and pass it to variables a, b 
  FETCH cursor_data 
  INTO userId; 
  #Start the loop and determine whether the cursor has reached the end as the loop condition WHILE s <> 1 DO 
   INSERT INTO EVENTS_NOTIFICATION VALUES (NULL, SYSDATE(), UNIX_TIMESTAMP(SYSDATE()), 
                          UNIX_TIMESTAMP(SYSDATE()), '00000', userId, '1', '0'); 
   #Read the next row of data FETCH cursor_data 
   INTO userId; 
  END WHILE; 
  #Close the cursor CLOSE cursor_data; 
 END;