要监护的进程启动脚本:实现脚本写入crontab定时任务

#!/usr/bin/env bash# scheduled task at 22:00 everydayscript_path=`eval pwd`user_name=`whoami`echo "crontab_script_path:${script_path}"sudo echo "* * * * * cd ${script_path} && sh xxx.sh > start_cron.log " >> /var/spool/cron/${user_name}

守护进程脚本:

#!/usr/bin/env bashjd=`ps -ef | grep xxx | grep -v grep | awk -F" " '{print $2}'`dt=`date "+%Y-%m-%d %H:%M:%S"`arr=($jd)len=${#arr[@]}if [ "$len" -lt 4 ]then echo "xxx process's num less than 4, kill it all (time: $dt)" >> xxx.logs sh stop.sh jd="" sleep 10sfiif [ "$jd" = "" ]then echo "xxx exe is restarting (time: $dt)" >> xxx.logs source ~/.bash_profile sh start.shfi

总结

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