linux shell守护进程/ rac重启脚本
#! /bin/shPRO_NAME=./xxxx.sh
while true ; do
#用ps获取$PRO_NAME进程数量
echo ''> nohup.out
NUM=`ps aux | grep -w ${PRO_NAME} | grep -v grep |wc -l`
#echo $NUM
#少于1，重启进程
if [ "${NUM}" -lt "1" ];then
echo "${PRO_NAME} was killed"
${PRO_NAME} -d
#大于1，杀掉所有进程，重启
elif [ "${NUM}" -gt "1" ];then
echo "more than 1 ${PRO_NAME},killall ${PRO_NAME}"
killall -9 $PRO_NAME
${PRO_NAME} -d
fi
#kill僵尸进程
NUM_STAT=`ps aux | grep -w ${PRO_NAME} | grep T | grep -v grep | wc -l`
if [ "${NUM_STAT}" -gt "0" ];then
killall -9 ${PRO_NAME}
${PRO_NAME} -d
fi
sleep 5s
done
exit 0
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