how to set a crontab job to run every 3 hours? 1

[vstoices]

how to set a crontab job to run every 3 hours?
You can do it every hour on the hour, but how can be done to run something every 3 hours?

 

[sleipnir214]

0 */3 * * * <name of script>

should do it.

Issue:
man 5 crontab

for more information.

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TANSTAAFL!!

 

[aigles]

This syntax is not accepted on my system (AIX).

Another solution is to specify the hours of execution.
In the following example the command will run every 3 hours since midnight:

0 0,3,6,9,12,15,18,31 * * * command

Jean Pierre.

 

[stanhubble]

you put in long days.......