小编use*_*811的帖子

我尝试了这个代码,但它无法正常工作

#!/bin/sh

#Find the Process ID for syncapp running instance

PID=`ps -ef | grep syncapp 'awk {print $2}'`

if [[ -z "$PID" ]] then
Kill -9 PID
fi

它在awk附近显示错误.

请给我任何建议.

DROP PROCEDURE IF EXISTS Cursor_Test;# MySQL returned an empty result set (i.e. zero rows).

DELIMITER $$

CREATE PROCEDURE Cursor_Test()
BEGIN

  DECLARE Project_Number_val VARCHAR( 255 );
  DECLARE Project_List_val VARCHAR(255);



  DECLARE no_more_rows BOOLEAN;
  DECLARE loop_cntr INT DEFAULT 0;
  DECLARE num_rows INT DEFAULT 0;


  DECLARE projects_cur CURSOR FOR
    SELECT Project_Id
    FROM Project_Details;


  DECLARE CONTINUE HANDLER FOR NOT FOUND
    SET no_more_rows = TRUE;


  OPEN projects_cur;
  select FOUND_ROWS() into num_rows;

  the_loop: LOOP

    FETCH  projects_cur
    INTO   Project_Number_val;


    IF no_more_rows THEN
        CLOSE projects_cur;
        LEAVE the_loop;
    END IF; …

当我使用root手动运行脚本时,它工作正常.当我在cron中执行相同的脚本时,它没有运行.我检查了cron实际上是在调用脚本但脚本没有执行.我将脚本中的echos输出导出到文本文件,但文本文件没有记录任何内容.请检查这个cron

*/10 * * * *  sh /var/www/sym_monitor/restart.sh > /var/www/migrate/root_restart.txt

#!/bin/bash
value=$(</var/www/sym_monitor/man_mon.txt)
value2=$(</var/www/sym_monitor/panel_mon.txt)

pro=$(ps -ef |grep sym |grep -v grep |awk '{ print $2 }')
echo "$pro";
echo "STARTED";

if [ "$value" == "false" ]; then


 cd /var/www/symmetric-ds-3.1.6/bin;
sleep 30;
(sudo ./sym --port 8082 --server);
 #(sudo /bin/bash /var/www/symmetric-ds-3.1.6/bin/sym --port 8082 --server);

echo "IF";


else 
if [ "$value2" == "false" ]; then


 cd /var/www/symmetric-ds-3.1.6/bin;
sleep 30;
(sudo ./sym --port 8082 --server);
 #(sudo /bin/bash /var/www/symmetric-ds-3.1.6/bin/sym --port 8082 --server);
echo "ELSEIF";

else
if[ "$pro" == "" ]; then

echo "pro";
 cd /var/www/symmetric-ds-3.1.6/bin;
sleep …