2022-08-25-TIL

Today I Learned

https://pureinsights.com/blog/2021/elasticsearch-vs-opensearch-user-point-of-view-part-1-of-3/
https://couplewith.tistory.com/entry/%EB%8B%AC%EB%9D%BC%EC%A7%80%EB%8A%94-%EC%98%A4%ED%94%88-%EC%86%8C%EC%8A%A4-Elasticsearch%EC%9D%98-%EB%9D%BC%EC%9D%B4%EC%84%A0%EC%8A%A4-%EC%A0%84%EB%9E%B5

https://webdir.tistory.com/174
https://yangyag.tistory.com/358
https://mytory.net/archives/601
https://www.geeksforgeeks.org/crontab-in-linux-with-examples/
https://wlsvud84.tistory.com/32
https://www.fun-coding.org/linux_basic6.html
https://devconnected.com/cron-jobs-and-crontab-on-linux-explained/#:~:text=hourly%2C%20cron.,hourly%2C%20monthly%20and%20weekly%20folders.
https://stackoverflow.com/questions/21615673/difference-between-cron-crontab-and-cronjob
https://needjarvis.tistory.com/710
https://www.airplane.dev/blog/how-to-start-stop-and-restart-cron-jobs
https://ojava.tistory.com/154#:~:text=crontab%20%EC%8B%A4%ED%96%89%EB%A1%9C%EA%B7%B8%20%EC%A1%B0%ED%9A%8C&text=%EA%B5%B3%EC%9D%B4%20%EB%B3%84%EB%8F%84%EC%9D%98%20%ED%8C%8C%EC%9D%BC%EB%A1%9C,%EC%9D%B4%EB%A0%A5%EC%9D%84%20%EB%B3%BC%20%EC%88%98%20%EC%9E%88%EB%8B%A4.
https://cronitor.io/cron-job-monitoring?utm_source=cronmaker&utm_campaign=cron_failures
https://danmilife.tistory.com/4
https://geekflare.com/best-cron-job-monitoring/
https://www.cyberciti.biz/faq/linux-execute-cron-job-after-system-reboot/
https://www.cyberciti.biz/faq/howto-linux-unix-start-restart-cron/
https://crontab.guru/
https://server-talk.tistory.com/10
https://serverfault.com/questions/426748/unexpected-eof-while-looking-for-matching-on-cron-job
https://stackoverflow.com/questions/20910112/how-is-return-handled-in-a-function-while-loop