Difference between revisions of "Crontab Add"
From MS Computech
| Line 20: | Line 20: | ||
</pre> | </pre> | ||
Example | Example | ||
| − | Run every minute | + | Run every minute. |
| − | <pre>crontab -e </pre><pre> | + | <pre>crontab -e </pre> |
| + | <pre>* * * * * /usr/bin/iptrafvol.pl -l </pre> | ||
| + | Run every midnight | ||
| + | <pre>0 0 * * * /path/to/command</pre> | ||
Run every 2 AM | Run every 2 AM | ||
<pre>0 2 * * * /usr/sbin/ccsquid</pre> | <pre>0 2 * * * /usr/sbin/ccsquid</pre> | ||
30 minute after 3 AM | 30 minute after 3 AM | ||
<pre>30 3 * * * /usr/sbin/ccsquid</pre> | <pre>30 3 * * * /usr/sbin/ccsquid</pre> | ||
Revision as of 09:55, 30 March 2016
Crontab Add type
1: Minute (0-59) 2: Hours (0-23) 3: Day (0-31) 4: Month (0-12 [12 == December]) 5: Day of the week(0-7 [7 or 0 == sunday]) /path/to/command – Script or command name to schedule Easy to remember format: * * * * * command to be executed - - - - - | | | | | | | | | ----- Day of week (0 - 7) (Sunday=0 or 7) | | | ------- Month (1 - 12) | | --------- Day of month (1 - 31) | ----------- Hour (0 - 23) ------------- Minute (0 - 59)
Example Run every minute.
crontab -e
* * * * * /usr/bin/iptrafvol.pl -l
Run every midnight
0 0 * * * /path/to/command
Run every 2 AM
0 2 * * * /usr/sbin/ccsquid
30 minute after 3 AM
30 3 * * * /usr/sbin/ccsquid
