linux脚本-判断进程是否存在，从而可以做预警处理..

count=`ps -ef | grep Seeyon | grep -v "grep" | wc -l`
echo $count

if [ $count -gt 0 ]; then
 echo "Good." >> /home/admin/test123.txt
else
 echo "Down!" >> /home/admin/test123.txt
fi
count=`ps -ef | grep Seeyon | grep -v "grep