crontab 自动检测服务关闭,自动开启- 相关笔记 20220519

crontab -e

PATH=/bin:/usr/bin:/usr/local/bin
* * * * * /source_path/sample.sh

sample.sh

export PATH=$PATH:/home/java_jre_path/jre/bin/
if ps -ef | egrep 'home.dir=.*WebWildfly' | grep -v grep | awk '{print $2}'
then
        echo "Running"
else
        cd /home/cbgl/cbgl/WebWildfly/bin/
        nohup ./standalone.sh &
fi:

做完以上需

systemctl restart crond 

重启 crontab

检查 服务是否正确执行

tail -50 /var/log/cron