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cron crontab

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Bahriddin Mo'minov answered on February 19, 2021 Popularity 10/10 Helpfulness 3/10

answer cron crontab

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cron crontab

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# Adding tasks easily
echo "@reboot echo hi" | crontab

# Open in editor
crontab -e

# List tasks
crontab -l [-u user]

Popularity 10/10 Helpfulness 3/10 Language shell

Source: devhints.io

Tags: cron crontab shell

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Contributed on Nov 18 2021

Bahriddin Mo'minov

0 Answers Avg Quality 2/10

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syntax crontab

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# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  *  user command to be executed
example :
# 50 12 * * * ----- run every day at 12.50

# */5 * * * * ----- run every 5 minutes

Popularity 10/10 Helpfulness 4/10 Language whatever

Source: Grepper

Tags: crontab

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Contributed on Feb 19 2021

Erwan H Dev

0 Answers Avg Quality 2/10

crontab

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# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- weekday (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  *  user command to be executed
10 * * * * /bin/sh backup.sh    # every hour at 10"

Popularity 10/10 Helpfulness 3/10 Language shell

Source: Grepper

Tags: command

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Contributed on Aug 07 2021

VasteMonde

0 Answers Avg Quality 2/10

cron syntax

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# ┌───────── 0-59 Minute        # NOTES: Escape %s in command like \%
# │ ┌─────── 0-23 Hour          # Blackhole Output: stdout: >/dev/null
# │ │ ┌───── 1-31 Day of Month  # Blackhole Output: stderr: 2>/dev/null
# │ │ │ ┌─── 1-12 Month         # Blackhole Output:   Both: 2>&1 >/dev/null
# │ │ │ │ ┌─ 0-6  Sun-Sat       ################################################
# * * * * * command
## EXAMPLES ####################################################################
 1  *  *  *  * echo "Runs hourly at first minute" >/dev/null
30 23  *  *  * echo "Runs daily at 23:30 (11:30 PM)" >/dev/null
 0  0  1  *  * echo "Runs monthly on day 1 at midnight" >/dev/null
45 12  *  2  * echo "Runs at 12:45 everyday during Month:2 (Feb)" >/dev/null
15  0  *  *  6 echo "Runs at 00:15 on 6th weekday (Sat)" >/dev/null

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: en.wikipedia.org

Tags: cron

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Contributed on Sep 29 2022

Jason M Potter

0 Answers Avg Quality 2/10

crontab syntax

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.---------------- minute (0 - 59) 
|  .------------- hour (0 - 23)
|  |  .---------- day of month (1 - 31)
|  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ... 
|  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7)  OR sun,mon,tue,wed,thu,fri,sat 
|  |  |  |  |
*  *  *  *  *  command to be executed

Popularity 10/10 Helpfulness 2/10 Language shell

Source: stackoverflow.com

Tags: crontab

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Contributed on Jun 06 2022

Bombay

0 Answers Avg Quality 2/10

cron crontab

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