which: no mysql in (/usr/bin:/bin)
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
/opt/mysql/bin/mysql -uroot -Bse "show global status;show variables"
Traceback (most recent call last):
  File "/root/monitor/mysql.py", line 38, in <module>
    com_select = status["Com_select"]
KeyError: 'Com_select'