Trouble with Cron Job Email Notifications

[Tookerder]

I've created a cron job to update my local IP address to namecheap using the following command structure:

curl "https://dynamicdns.park-your-domain...AIN_HERE&password=YOUR_PASSWORD_HERE&ip=`curl -s echoip.com`"
​

I've set both stdout and stderr to redirect to /dev/null

The IP address updates as expected, but I still receive an email saying "curl: not found". The subject of the email is:

Cron <nobody@freenas> PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/root/bin" curl "https://dynamicdns.park-your-domain.com/update?host=@&domain=[DOMAIN]&password=[PASSWORD]&ip=`curl echoip.com`" > /dev/null 2> /dev/null
​

Any idea why this is happening? Would like to stop the emails without disabling my freenas email notifications. Any help is greatly appreciated!

 

[dlavigne]

What's the output of which curl ?

 

[Tookerder]

Both curl commands function as expected. Inner curl returns my IP address and the outer curl makes the URL request. If I turn off stdout, I get and email with:

Code:

curl: not found
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0100   234  100   234    0     0    717      0 --:--:-- --:--:-- --:--:--   720
<?xml version="1.0"?><interface-response><Command>SETDNSHOST</Command><Language>eng</Language><IP>[MYIP]</IP><ErrCount>0</ErrCount><ResponseCount>0</ResponseCount><Done>true</Done><debug><![CDATA[]]></debug></interface-response>

Otherwise I just get:

Code:

curl: not found

Does that help?

Thanks.

 

[dlavigne]

Were you able to figure this out?

 

[Tookerder]

Nope, gave up for now.

 

[Jacopx]

I've created a cron job to update my local IP address to namecheap using the following command structure:

curl "https://dynamicdns.park-your-domain...AIN_HERE&password=YOUR_PASSWORD_HERE&ip=`curl -s echoip.com`"
​

I've set both stdout and stderr to redirect to /dev/null

The IP address updates as expected, but I still receive an email saying "curl: not found". The subject of the email is:

Cron <nobody@freenas> PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/root/bin" curl "https://dynamicdns.park-your-domain.com/update?host=@&domain=[DOMAIN]&password=[PASSWORD]&ip=`curl echoip.com`" > /dev/null 2> /dev/null
​

Any idea why this is happening? Would like to stop the emails without disabling my freenas email notifications. Any help is greatly appreciated!

I had the same problem, my cron did its jobs good but i had received the same mail... I have solved it checking the REDIRECT STDERR! :/

 

[Tookerder]

I had the same problem, my cron did its jobs good but i had received the same mail... I have solved it checking the REDIRECT STDERR! :/

Interesting. I have tried with redirect stderr and I still get the output. Thanks though.

 

[Tookerder]

I figured out the problem. I changed the inner quotes from ` to " and that did the trick. no more "curl: not found" and the IP updates automatically.