Difference between revisions of "How to add crontab job"

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Choose "1" then press Enter
 
Choose "1" then press Enter
  
Add a line at the end of the file that reads like this:
+
Add the command line you want to execute at the end of the file that reads like this:
  
@reboot python /home/pi/x735-v2.5/pwm_fan_control.py
+
'''@reboot python3 /home/pi/x-c1/fan.py'''
  
or
+
'''PS:'''
  
@reboot python /home/pi/x-c1/fan.py
+
1. '''@reboot python /home/pi/x-c1/fan.py''' is a sample command, You '''MUST''' to modify it according to your needs.
  
<span style="color:red;">Please make sure that the file path and file name are correct</span>
+
2. <span style="color:red;">Please make sure that the file path and file name are correct</span>
  
you can place the other shell command.
 
  
[[File:Crontab-step2.png]]
+
[[File:Crontab-2.png|800px]]
 +
 
  
 
Save and exit (CTRK + O and ENTER to save it). In nano editor, you do that by hitting CTRL + X, answering Y and hitting Enter when prompted.
 
Save and exit (CTRK + O and ENTER to save it). In nano editor, you do that by hitting CTRL + X, answering Y and hitting Enter when prompted.
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  sudo crontab -e
 
  sudo crontab -e
  
then remove the command line by yourself.
+
Then remove the command line by yourself.
  
  

Latest revision as of 09:41, 31 May 2023

Add crontab job

sudo crontab -e

Crontab-step1.png

Choose "1" then press Enter

Add the command line you want to execute at the end of the file that reads like this:

@reboot python3 /home/pi/x-c1/fan.py

PS:

1. @reboot python /home/pi/x-c1/fan.py is a sample command, You MUST to modify it according to your needs.

2. Please make sure that the file path and file name are correct


Crontab-2.png


Save and exit (CTRK + O and ENTER to save it). In nano editor, you do that by hitting CTRL + X, answering Y and hitting Enter when prompted.

Please run 'sudo reboot' to reboot device to enable crontab job.

Remove crontab job

sudo crontab -e

Then remove the command line by yourself.


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