making a command run once every hour

Question

I have an indexer for sphinx, and i want it to run once every hour in linux. How would i do this?

Answer 1

cron.

Answer 2

Use crontab.

Answer 3

Since everyone else is posting short answers, I thought I'd be a little more dscriptive...

cron is a daemon found on most *nix systems that runs scheduled commands at the specified intervals.

You add a script to the list by copying it to the folder of your choice:

• cron.daily
• cron.hourly
• cron.monthly
• cron.weekly

These folders are typically fount in /etc.

Answer 4

Just to be different -

depending on your needs you could use the watch command.

  watch --interval=3600 command

Answer 5

With the cron utility

Answer 6

That's what cron is for.

Answer 7

Learn cron: http://www.thegeekstuff.com/2009/06/15-practical-crontab-examples/

Answer 8

If you just need it once in a while, not permanently like you get with cron, and the watch solution isn't flexible enough, you can also use good old bash scripting:

while true; do
   # do stuff
   sleep $[60 * 60]
done