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linux进程监控shell脚本代码

2024-04-05 18:52:03 479

为确保php页面在后台运行，写了一个监控脚本，假设程序异常退出，那么可以自动重启。

shell脚本/usr/local/scripts/receve.sh内容：

#!/bin/bash
#funtion:keepreceve.phprunning
PHP="/usr/local/php5/bin/php"
PROGRAM="receve.php"
#startdameo
$PHP/home/httpd/$PROGRAM>>/usr/local/scripts/phpshell/receve.out&
chpid="$!";
echo"$chpid">/usr/local/scripts/phpshell/receve.sid
echo"childpidis$chpid"
echo"statusis$?"
while[1]
do
wait$chpid
exitstatus="$?"
echo"childpid=$chpidisgone,$exitstatus">>/usr/local/scripts/phpshell/receve.php_error.log
echo`date`>>/usr/local/scripts/phpshell/receve.php_error.log
echo"**************************">>/usr/local/scripts/phpshell/receve.php_error.log
sleep10
$PHP/home/httpd/$PROGRAM>>/usr/local/scripts/phpshell/receve.out&
chpid="$!";
echo"$chpid">/usr/local/scripts/phpshell/receve.sid
echo"nextchildpidis$chpid"
echo"nextstatusis$?"
done

需要保证监控脚本正常运行，在每天凌晨自动重启脚本/usr/local/scripts/restart_r.sh，写入crontab：

#!/bin/bash
echo"">/tmp/receve_pid.txt
/bin/psax|/bin/grep"receve.sh"|/bin/grep-v"grep"|/bin/awk'{print$1}'>/tmp/receve_pid.txt
no1pid=`cat/tmp/receve_pid.txt|sort-r`
no2pid=`cat/usr/local/scripts/phpshell/receve.sid|sort-r`
if[-z$no1pid];then
echo"receve.shpidisnull,receve.shisnotrunning."
else
/bin/kill-9"$no1pid"
echo"receve.shkilled"
fi
sleep3
if[-z$no2pid];then
echo"receve.phppidisnull,receve.phpisnotrunning."
else
/bin/kill-9"$no2pid"
echo"receve.phpkilled"
fi
rm-rf/usr/local/scripts/phpshell/receve.sid
sleep3
/usr/local/scripts/receve.sh>/dev/null&

crontab：


#restartreceve.sh

1000***/usr/local/scripts/restart_r.sh

注意：脚本命名要避免重复，避免自己kill掉自己的进程。

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linux进程监控shell脚本代码

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