cd /home/nat123linux
echo hell > hello.log

ps -fe|grep nat123linux.sh |grep -v grep
if [ $? -ne 0 ]
then
echo "start process.....nat123linux------------------------------" 
echo "start process.....nat123linux" > nat123linux_check.log
echo nat123linux|sudo -S pkill -f mono
cd /home/nat123linux
echo nat123linux|sudo -S nohup sudo mono nat123linux.sh >/dev/null 2>&1 &

else
echo "runing.....nat123linux....................................."
fi

cd /home/nat123linux
 

*/1 *        * * *        root    cd /home/nat123linux && sh autocheck.sh
 

可以看到hello.log的修改時間發生了改變：