How to debug cronjob is not trigger in Linux Ubuntu?
Clash Royale CLAN TAG#URR8PPP
I'm in Ubuntu linux.
I just added this cron-job to run every minutes
MAILTO="email@gmail.com"
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
If I run this command
cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
It works fine.
I never see it run or get an email.
I ran a mail command
I got
└── mail
"/var/mail/root": 3 messages 3 new
>N 1 Cron Daemon Sun Oct 15 06:34 21/930 Cron <root@bheng> test -x /usr/sbin/anacron || ( cd / && run
N 2 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
N 3 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
?
It seems to have issues, how do I fix it ?
Did I forgot something or missing something?
linux cron
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
asked Dec 21 '18 at 1:02
kyo
151110
|
show 1 more comment
I'm in Ubuntu linux.
I just added this cron-job to run every minutes
MAILTO="email@gmail.com"
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
If I run this command
cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
It works fine.
I never see it run or get an email.
I ran a mail command
I got
└── mail
"/var/mail/root": 3 messages 3 new
>N 1 Cron Daemon Sun Oct 15 06:34 21/930 Cron <root@bheng> test -x /usr/sbin/anacron || ( cd / && run
N 2 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
N 3 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
?
It seems to have issues, how do I fix it ?
Did I forgot something or missing something?
linux cron
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
asked Dec 21 '18 at 1:02
kyo
151110
I find it easier to wrap the commands in abashscript and tellcronto run the script. Easier control, debugging,bashcommand interpreter rather thancron's.
– waltinator
Dec 21 '18 at 2:16
to exclude path issues, it is generally recommended to use full paths in cronjobs. I'd start by using/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead and see if it works
– AnonymousLurker
Dec 21 '18 at 5:17
I don't see why there should be acd; use/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead.
– Vlastimil
Dec 21 '18 at 7:00
I trust you checked your gmail spam folder as well, just in case the message went there?
– derobert
Dec 21 '18 at 9:02
1
If you change the line to* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py >/tmp/out 2>/tmp/errs, do you see anything in either of those files in /tmp after waiting for a minute?
– Mark Plotnick
Dec 21 '18 at 23:53
|
show 1 more comment
I'm in Ubuntu linux.
I just added this cron-job to run every minutes
MAILTO="email@gmail.com"
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
If I run this command
cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
It works fine.
I never see it run or get an email.
I ran a mail command
I got
└── mail
"/var/mail/root": 3 messages 3 new
>N 1 Cron Daemon Sun Oct 15 06:34 21/930 Cron <root@bheng> test -x /usr/sbin/anacron || ( cd / && run
N 2 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
N 3 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
?
It seems to have issues, how do I fix it ?
Did I forgot something or missing something?
linux cron
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
asked Dec 21 '18 at 1:02
kyo
151110
I'm in Ubuntu linux.
I just added this cron-job to run every minutes
MAILTO="email@gmail.com"
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
If I run this command
cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py
It works fine.
I never see it run or get an email.
I ran a mail command
I got
└── mail
"/var/mail/root": 3 messages 3 new
>N 1 Cron Daemon Sun Oct 15 06:34 21/930 Cron <root@bheng> test -x /usr/sbin/anacron || ( cd / && run
N 2 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
N 3 long@bheng Sun Oct 15 14:19 15/649 *** SECURITY information for bheng ***
?
It seems to have issues, how do I fix it ?
Did I forgot something or missing something?
linux cron
linux cron
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
asked Dec 21 '18 at 1:02
kyo
151110
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
asked Dec 21 '18 at 1:02
kyo
151110
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
edited Dec 22 '18 at 6:09
Vlastimil
7,7111260134
7,7111260134
asked Dec 21 '18 at 1:02
kyo
151110
asked Dec 21 '18 at 1:02
kyo
151110
asked Dec 21 '18 at 1:02
kyo
151110
151110
I find it easier to wrap the commands in abashscript and tellcronto run the script. Easier control, debugging,bashcommand interpreter rather thancron's.
– waltinator
Dec 21 '18 at 2:16
to exclude path issues, it is generally recommended to use full paths in cronjobs. I'd start by using/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead and see if it works
– AnonymousLurker
Dec 21 '18 at 5:17
I don't see why there should be acd; use/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead.
– Vlastimil
Dec 21 '18 at 7:00
I trust you checked your gmail spam folder as well, just in case the message went there?
– derobert
Dec 21 '18 at 9:02
1
If you change the line to* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py >/tmp/out 2>/tmp/errs, do you see anything in either of those files in /tmp after waiting for a minute?
– Mark Plotnick
Dec 21 '18 at 23:53
|
show 1 more comment
I find it easier to wrap the commands in abashscript and tellcronto run the script. Easier control, debugging,bashcommand interpreter rather thancron's.
– waltinator
Dec 21 '18 at 2:16
to exclude path issues, it is generally recommended to use full paths in cronjobs. I'd start by using/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead and see if it works
– AnonymousLurker
Dec 21 '18 at 5:17
I don't see why there should be acd; use/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead.
– Vlastimil
Dec 21 '18 at 7:00
I trust you checked your gmail spam folder as well, just in case the message went there?
– derobert
Dec 21 '18 at 9:02
1
If you change the line to* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py >/tmp/out 2>/tmp/errs, do you see anything in either of those files in /tmp after waiting for a minute?
– Mark Plotnick
Dec 21 '18 at 23:53
I find it easier to wrap the commands in a
bash script and tell cron to run the script. Easier control, debugging, bash command interpreter rather than cron's.– waltinator
Dec 21 '18 at 2:16
I find it easier to wrap the commands in a
bash script and tell cron to run the script. Easier control, debugging, bash command interpreter rather than cron's.– waltinator
Dec 21 '18 at 2:16
to exclude path issues, it is generally recommended to use full paths in cronjobs. I'd start by using
/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.py instead and see if it works– AnonymousLurker
Dec 21 '18 at 5:17
to exclude path issues, it is generally recommended to use full paths in cronjobs. I'd start by using
/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.py instead and see if it works– AnonymousLurker
Dec 21 '18 at 5:17
I don't see why there should be a
cd; use /usr/bin/python3 /home/forge/bheng/public/code/scraper/main.py instead.– Vlastimil
Dec 21 '18 at 7:00
I don't see why there should be a
cd; use /usr/bin/python3 /home/forge/bheng/public/code/scraper/main.py instead.– Vlastimil
Dec 21 '18 at 7:00
I trust you checked your gmail spam folder as well, just in case the message went there?
– derobert
Dec 21 '18 at 9:02
I trust you checked your gmail spam folder as well, just in case the message went there?
– derobert
Dec 21 '18 at 9:02
1
1
If you change the line to
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py >/tmp/out 2>/tmp/errs, do you see anything in either of those files in /tmp after waiting for a minute?– Mark Plotnick
Dec 21 '18 at 23:53
If you change the line to
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py >/tmp/out 2>/tmp/errs, do you see anything in either of those files in /tmp after waiting for a minute?– Mark Plotnick
Dec 21 '18 at 23:53
|
show 1 more comment
3 Answers
3
active
oldest
votes
If a cron job fails for some reason, you will get a relevant message through mail. Type 'mail' and check the messages.
answered Dec 21 '18 at 2:11
drgnfr
394
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
As an alternative to mail, consider wrapping your commands into a bash script and then using a log file:
For example, you could create a script /home/forge/scraper.bash with the following contents:
#!/bin/bash -x
cd /home/forge/bheng/public/code/scraper/
/usr/bin/python3 main.py
Give the script execute permissions (chmod +x scraper.bash), and then set up the cron as follows:
* * * * * /home/forge/scraper.bash &>> /home/forge/scraper.log
The execution output (and errors) should now be available in the /home/forge/scraper.log file. Note that the output is appended to the log file each time the job is run.
answered Dec 21 '18 at 6:37
Haxiel
1,199310
add a comment |
The MAILTO setting in a crontab file is not generally for Internet email delivery, but rather for local user account delivery, e. g. root or someuser.
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
If a cron job fails for some reason, you will get a relevant message through mail. Type 'mail' and check the messages.
answered Dec 21 '18 at 2:11
drgnfr
394
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
If a cron job fails for some reason, you will get a relevant message through mail. Type 'mail' and check the messages.
answered Dec 21 '18 at 2:11
drgnfr
394
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
If a cron job fails for some reason, you will get a relevant message through mail. Type 'mail' and check the messages.
answered Dec 21 '18 at 2:11
drgnfr
394
If a cron job fails for some reason, you will get a relevant message through mail. Type 'mail' and check the messages.
answered Dec 21 '18 at 2:11
drgnfr
394
answered Dec 21 '18 at 2:11
drgnfr
394
answered Dec 21 '18 at 2:11
drgnfr
394
answered Dec 21 '18 at 2:11
drgnfr
394
394
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
When I type mail, I got this : i.imgur.com/NrahSbq.png
– kyo
Dec 21 '18 at 14:42
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Is that what you mean ? Do I need to install that mail plug in ?
– kyo
Dec 21 '18 at 14:43
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
As an alternative to mail, consider wrapping your commands into a bash script and then using a log file:
For example, you could create a script /home/forge/scraper.bash with the following contents:
#!/bin/bash -x
cd /home/forge/bheng/public/code/scraper/
/usr/bin/python3 main.py
Give the script execute permissions (chmod +x scraper.bash), and then set up the cron as follows:
* * * * * /home/forge/scraper.bash &>> /home/forge/scraper.log
The execution output (and errors) should now be available in the /home/forge/scraper.log file. Note that the output is appended to the log file each time the job is run.
answered Dec 21 '18 at 6:37
Haxiel
1,199310
add a comment |
As an alternative to mail, consider wrapping your commands into a bash script and then using a log file:
For example, you could create a script /home/forge/scraper.bash with the following contents:
#!/bin/bash -x
cd /home/forge/bheng/public/code/scraper/
/usr/bin/python3 main.py
Give the script execute permissions (chmod +x scraper.bash), and then set up the cron as follows:
* * * * * /home/forge/scraper.bash &>> /home/forge/scraper.log
The execution output (and errors) should now be available in the /home/forge/scraper.log file. Note that the output is appended to the log file each time the job is run.
answered Dec 21 '18 at 6:37
Haxiel
1,199310
add a comment |
As an alternative to mail, consider wrapping your commands into a bash script and then using a log file:
For example, you could create a script /home/forge/scraper.bash with the following contents:
#!/bin/bash -x
cd /home/forge/bheng/public/code/scraper/
/usr/bin/python3 main.py
Give the script execute permissions (chmod +x scraper.bash), and then set up the cron as follows:
* * * * * /home/forge/scraper.bash &>> /home/forge/scraper.log
The execution output (and errors) should now be available in the /home/forge/scraper.log file. Note that the output is appended to the log file each time the job is run.
answered Dec 21 '18 at 6:37
Haxiel
1,199310
As an alternative to mail, consider wrapping your commands into a bash script and then using a log file:
For example, you could create a script /home/forge/scraper.bash with the following contents:
#!/bin/bash -x
cd /home/forge/bheng/public/code/scraper/
/usr/bin/python3 main.py
Give the script execute permissions (chmod +x scraper.bash), and then set up the cron as follows:
* * * * * /home/forge/scraper.bash &>> /home/forge/scraper.log
The execution output (and errors) should now be available in the /home/forge/scraper.log file. Note that the output is appended to the log file each time the job is run.
answered Dec 21 '18 at 6:37
Haxiel
1,199310
answered Dec 21 '18 at 6:37
Haxiel
1,199310
answered Dec 21 '18 at 6:37
Haxiel
1,199310
answered Dec 21 '18 at 6:37
Haxiel
1,199310
1,199310
add a comment |
add a comment |
The MAILTO setting in a crontab file is not generally for Internet email delivery, but rather for local user account delivery, e. g. root or someuser.
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
The MAILTO setting in a crontab file is not generally for Internet email delivery, but rather for local user account delivery, e. g. root or someuser.
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
The MAILTO setting in a crontab file is not generally for Internet email delivery, but rather for local user account delivery, e. g. root or someuser.
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
The MAILTO setting in a crontab file is not generally for Internet email delivery, but rather for local user account delivery, e. g. root or someuser.
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
answered Dec 21 '18 at 1:19
DopeGhoti
43.3k55382
43.3k55382
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
Am I missing something that why my cron is not running ?
– kyo
Dec 21 '18 at 1:20
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
I think it should work find... as long as email is fully configured on the system. Which it may well not be (it often can't be by default), that'd be a good thing to explain in your answer.
– derobert
Dec 21 '18 at 9:02
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
Do you have any other suggestions ?
– kyo
Dec 21 '18 at 18:39
add a comment |
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I find it easier to wrap the commands in a
bashscript and tellcronto run the script. Easier control, debugging,bashcommand interpreter rather thancron's.– waltinator
Dec 21 '18 at 2:16
to exclude path issues, it is generally recommended to use full paths in cronjobs. I'd start by using
/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead and see if it works– AnonymousLurker
Dec 21 '18 at 5:17
I don't see why there should be a
cd; use/usr/bin/python3 /home/forge/bheng/public/code/scraper/main.pyinstead.– Vlastimil
Dec 21 '18 at 7:00
I trust you checked your gmail spam folder as well, just in case the message went there?
– derobert
Dec 21 '18 at 9:02
1
If you change the line to
* * * * * cd /home/forge/bheng/public/code/scraper/; /usr/bin/python3 main.py >/tmp/out 2>/tmp/errs, do you see anything in either of those files in /tmp after waiting for a minute?– Mark Plotnick
Dec 21 '18 at 23:53