Crontab에서 job 중복 실행 방지
옵션은 없음Lock 파일 사용flock - Ensures only one instance of the job can run at a time.-n - Fails immediately if the lock cannot be acquired./tmp/myjob.lock - Lock file location./path/to/script.sh - The script to execute. * * * * * flock -n /tmp/myjob.lock /path/to/script.sh PID 체크Creates a PID file (/tmp/myjob.pid) to track the running job.Exits if the file already exists.Deletes the PID file after the..
2024.12.24