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Crontabs (view source)

Revision as of 13:55, 19 April 2018

2,454 bytes added ,  13:55, 19 April 2018
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* The '''/sbin/ping_reboot 1 8.8.8.8 NULL 2 56 5 1 0 cfg02c21d''' part indicates the action that is to be taken. In this case it is the ''/sbin/ping_reboot'' command with the options ''1 8.8.8.8 NULL 2 56 5 1 0 cfg02c21d'' that go with it
 
* The '''/sbin/ping_reboot 1 8.8.8.8 NULL 2 56 5 1 0 cfg02c21d''' part indicates the action that is to be taken. In this case it is the ''/sbin/ping_reboot'' command with the options ''1 8.8.8.8 NULL 2 56 5 1 0 cfg02c21d'' that go with it
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* The '''*/5 * * * *''' part indicates the frequency at which the action is executed. It consists out of five segments: '''minute''', '''hour''', '''day of the month''', '''month''' and '''day of the week''' in that order. A table of examples on how to specify this frequency is presented below:
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* The '''*/5 * * * *''' part indicates the frequency at which the action is executed. It consists out of five segments: '''minute''', '''hour''', '''day of month''', '''month''' and '''day of week''' in that order. A table of examples on how to specify this frequency is presented below:
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  −
min    hour    day/month    month    day/week    Description
  −
0-59  0-23    1-31        1-12    0-6
  −
  −
*/5    *      *            *        *            every 5 minutes
  −
12    */3    *            *        *            every 3 hours at 12 minutes
  −
57    11      15          1,6,12  *            At 11:57 Hrs on 15th of Jan, June & Dec.
  −
25    6      *            *        1-5          At 6:25 AM every weekday (Mon-Fri)
  −
0      0      4,12,26      *        *            At midnight on 4th, 12th and 26th of every month
  −
5,10  9,14    10          *        0,4          At 9:05AM, 9:10AM, 2:05PM and 2:10PM every Sunday and Thursday
  −
 
      +
{| class="wikitable"
 +
|+
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! style="width: 130px; text-align: left;" | Segment
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| style="width: 100px; text-align: center; | '''minute'''
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| style="width: 100px; text-align: center; | '''hour'''
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| style="width: 110px; text-align: center; | '''day of month'''
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| style="width: 100px; text-align: center; | '''month'''
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| style="width: 100px; text-align: center; | '''day of week'''
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| rowspan="2" style="width: 500px; text-align: center; | '''Description'''
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|-
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! style="text-align: left;" | Possible values
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| style="text-align: center; vertical-align: top;" | '''0-59'''
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| style="text-align: center; vertical-align: top;" | '''0-23'''
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| style="text-align: center; vertical-align: top;" | '''1-31'''
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| style="text-align: center; vertical-align: top;" | '''1-12'''
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| style="text-align: center; vertical-align: top;" | '''0-6'''
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|-
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! rowspan="6" style="text-align: left;" | Examples
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| style="text-align: center; vertical-align: top;" | */5
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: left; vertical-align: top;" | every 5 minutes
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|-
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| style="text-align: center; vertical-align: top;" | 12
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| style="text-align: center; vertical-align: top;" | */3
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: left; vertical-align: top;" | every 3 hours at 12 minutes
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|-
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| style="text-align: center; vertical-align: top;" | 57
 +
| style="text-align: center; vertical-align: top;" | 11
 +
| style="text-align: center; vertical-align: top;" | 15
 +
| style="text-align: center; vertical-align: top;" | 1/6/12
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: left; vertical-align: top;" | At 11:57 Hrs on 15th of Jan, June & Dec.
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|-
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| style="text-align: center; vertical-align: top;" | 25
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| style="text-align: center; vertical-align: top;" | 6
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | 1
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| style="text-align: center; vertical-align: top;" | 5
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| style="text-align: left; vertical-align: top;" | At 6:25 AM every weekday (Mon-Fri)
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|-
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| style="text-align: center; vertical-align: top;" | 0
 +
| style="text-align: center; vertical-align: top;" | 0
 +
| style="text-align: center; vertical-align: top;" | 4,12,26
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| style="text-align: center; vertical-align: top;" | *
 +
| style="text-align: center; vertical-align: top;" | *
 +
| style="text-align: left; vertical-align: top;" | At midnight on 4th, 12th and 26th of every month
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|-
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| style="text-align: center; vertical-align: top;" | 5.10
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| style="text-align: center; vertical-align: top;" | 9.14
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| style="text-align: center; vertical-align: top;" | 10
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| style="text-align: center; vertical-align: top;" | *
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| style="text-align: center; vertical-align: top;" | 0,4
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| style="text-align: left; vertical-align: top;" | At 9:05AM, 9:10AM, 2:05PM and 2:10PM every Sunday and Thursday
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|-
 +
|}
 
==External links==
 
==External links==
    
https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html - PuTTY downloads page link
 
https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html - PuTTY downloads page link
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