shell實現簡單的進程監控指令碼

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 一個簡單的需求:shell實現進程監控watchdog功能,配合計劃任務每分鐘執行一次shell指令碼,對進程進行監控,如果意外中斷那麼啟動他,如果正常則什麼都不需要去做。

#!/bin/bash
NAME=java
NOP=/bin/true
DATE=$(/bin/date +”%Y-%m-%d %H:%M:%S”)
ps -ef | awk -F ” ” ‘{print $8,$2}’ | grep ^java >/dev/null 2>&1
case “$?” in
0)
# It is running in this case so we do nothing.
echo “$NAME is RUNNING OK. Relax.”
$NOP
;;
1)
echo “$NAME is NOT RUNNING. Starting $NAME and sending notices.”
java -jar sms.jar 2>&1 >/dev/null &
NOTICE=/tmp/watchdog.log
echo “$NAME was not running and was started on $DATE” >> $NOTICE
esac
exit 0

 

 

更多學習:http://www.demopu.com/?p=247

 

shell實現簡單的進程監控指令碼

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