How to add a cron job in linux [closed]

I am using sphinx for searching. I get new data everyday which is added in the database.

I have to add this data into the sphinx search index so that it can be searched. For that I need to reindex the sphinx search index at regular intervals.

How can I set a cron in linux to do so?

Answer

a crontab is defined like this:

MIN HOUR DOM MON DOW CMD

so if you want to run a task on a daily basis try:

0 0 * * * /path/to/your/script

that will trigger the launch of your script everyday at 0:00

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For more details, see the cron tag wiki