import os
import time
import datetime

output = os.popen("service mongod status").read()
print( time.strftime( '%Y-%m-%d %H:%M:%S', time.localtime( time.time() ) ) )
print( output )
if "locked" in output or output=="":
        print( "restart")
        output = os.popen("service mongod restart").read();
        print( output )
else:

        print( "ok" )

存為python指令碼:/home/mognodb_option.py

crontab -e加:

30 */1 * * * python /home/mognodb_option.py