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Crontab fails because shell path not found
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)Script not running in crontab, file not foundCan't access shell variable in crontab configurationRemoving Prior CrontabsCrontab script not runningCrontab not running entire script?Crontab env variables while using Dockercronjob cannot find environment variables defined in .bashrcCrontab says command not foundcrontab -e does not open the crontab for this userCannot run python script with cron
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I am looking at the failure output of my crontab.
* * * * * user /usr/bin/python3 /home/user/src/code/prod.py
I get the error /bin/sh: 1: caleb: not found.
This corresponds to
X-Cron-Env: <SHELL=/bin/sh>
which is part of the email the crontab sent me. I created the crontab using
crontab -e
All of it looks like a simple setup is there anything that I am missing?
16.04 cron
edited Apr 5 at 3:54
Community♦
1
asked Apr 4 at 14:23
caleb bakercaleb baker
132
add a comment |
I am looking at the failure output of my crontab.
* * * * * user /usr/bin/python3 /home/user/src/code/prod.py
I get the error /bin/sh: 1: caleb: not found.
This corresponds to
X-Cron-Env: <SHELL=/bin/sh>
which is part of the email the crontab sent me. I created the crontab using
crontab -e
All of it looks like a simple setup is there anything that I am missing?
16.04 cron
edited Apr 5 at 3:54
Community♦
1
asked Apr 4 at 14:23
caleb bakercaleb baker
132
3
When you runcrontab -eit is already using your username so there is no need to add your username to the beginning of the command. The only place on the system that you add the username is in the/etc/crontabfile.
– Terrance
Apr 4 at 14:27
@Terrance that fixed my problem. i got my solution from cyberciti.biz/faq/… And I looked at the format and paid no attention to the "for system jobs"
– caleb baker
Apr 4 at 14:32
add a comment |
I am looking at the failure output of my crontab.
* * * * * user /usr/bin/python3 /home/user/src/code/prod.py
I get the error /bin/sh: 1: caleb: not found.
This corresponds to
X-Cron-Env: <SHELL=/bin/sh>
which is part of the email the crontab sent me. I created the crontab using
crontab -e
All of it looks like a simple setup is there anything that I am missing?
16.04 cron
edited Apr 5 at 3:54
Community♦
1
asked Apr 4 at 14:23
caleb bakercaleb baker
132
I am looking at the failure output of my crontab.
* * * * * user /usr/bin/python3 /home/user/src/code/prod.py
I get the error /bin/sh: 1: caleb: not found.
This corresponds to
X-Cron-Env: <SHELL=/bin/sh>
which is part of the email the crontab sent me. I created the crontab using
crontab -e
All of it looks like a simple setup is there anything that I am missing?
16.04 cron
16.04 cron
edited Apr 5 at 3:54
Community♦
1
asked Apr 4 at 14:23
caleb bakercaleb baker
132
edited Apr 5 at 3:54
Community♦
1
asked Apr 4 at 14:23
caleb bakercaleb baker
132
edited Apr 5 at 3:54
Community♦
1
edited Apr 5 at 3:54
Community♦
1
edited Apr 5 at 3:54
Community♦
1
1
asked Apr 4 at 14:23
caleb bakercaleb baker
132
asked Apr 4 at 14:23
caleb bakercaleb baker
132
asked Apr 4 at 14:23
caleb bakercaleb baker
132
132
3
When you runcrontab -eit is already using your username so there is no need to add your username to the beginning of the command. The only place on the system that you add the username is in the/etc/crontabfile.
– Terrance
Apr 4 at 14:27
@Terrance that fixed my problem. i got my solution from cyberciti.biz/faq/… And I looked at the format and paid no attention to the "for system jobs"
– caleb baker
Apr 4 at 14:32
add a comment |
3
When you runcrontab -eit is already using your username so there is no need to add your username to the beginning of the command. The only place on the system that you add the username is in the/etc/crontabfile.
– Terrance
Apr 4 at 14:27
@Terrance that fixed my problem. i got my solution from cyberciti.biz/faq/… And I looked at the format and paid no attention to the "for system jobs"
– caleb baker
Apr 4 at 14:32
3
3
When you run
crontab -e it is already using your username so there is no need to add your username to the beginning of the command. The only place on the system that you add the username is in the /etc/crontab file.– Terrance
Apr 4 at 14:27
When you run
crontab -e it is already using your username so there is no need to add your username to the beginning of the command. The only place on the system that you add the username is in the /etc/crontab file.– Terrance
Apr 4 at 14:27
@Terrance that fixed my problem. i got my solution from cyberciti.biz/faq/… And I looked at the format and paid no attention to the "for system jobs"
– caleb baker
Apr 4 at 14:32
@Terrance that fixed my problem. i got my solution from cyberciti.biz/faq/… And I looked at the format and paid no attention to the "for system jobs"
– caleb baker
Apr 4 at 14:32
add a comment |
1 Answer
1
active
oldest
votes
If you are using crontab -e that set of Cron tasks runs as the user which crontab -e was executed as - that is, your user user.
Therefore, you should only provide the cron entry WITHOUT the user bits, i.e.:
* * * * * /usr/bin/python3 /home/user/src/code/prod.py
The user definition you were attempting to use should only be used in the system crontab in /etc/crontab and in entries in cron definitions under /etc/cron.d/.
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
Not to nitpick, but the "cron user" probably has/usr/binin its $PATH. So,* * * * * python3 /home/user/src/code/prod.pywill probably work.
– Seamus
Apr 4 at 14:56
2
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
1
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
add a comment |
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1 Answer
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oldest
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oldest
votes
If you are using crontab -e that set of Cron tasks runs as the user which crontab -e was executed as - that is, your user user.
Therefore, you should only provide the cron entry WITHOUT the user bits, i.e.:
* * * * * /usr/bin/python3 /home/user/src/code/prod.py
The user definition you were attempting to use should only be used in the system crontab in /etc/crontab and in entries in cron definitions under /etc/cron.d/.
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
Not to nitpick, but the "cron user" probably has/usr/binin its $PATH. So,* * * * * python3 /home/user/src/code/prod.pywill probably work.
– Seamus
Apr 4 at 14:56
2
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
1
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
add a comment |
If you are using crontab -e that set of Cron tasks runs as the user which crontab -e was executed as - that is, your user user.
Therefore, you should only provide the cron entry WITHOUT the user bits, i.e.:
* * * * * /usr/bin/python3 /home/user/src/code/prod.py
The user definition you were attempting to use should only be used in the system crontab in /etc/crontab and in entries in cron definitions under /etc/cron.d/.
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
Not to nitpick, but the "cron user" probably has/usr/binin its $PATH. So,* * * * * python3 /home/user/src/code/prod.pywill probably work.
– Seamus
Apr 4 at 14:56
2
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
1
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
add a comment |
If you are using crontab -e that set of Cron tasks runs as the user which crontab -e was executed as - that is, your user user.
Therefore, you should only provide the cron entry WITHOUT the user bits, i.e.:
* * * * * /usr/bin/python3 /home/user/src/code/prod.py
The user definition you were attempting to use should only be used in the system crontab in /etc/crontab and in entries in cron definitions under /etc/cron.d/.
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
If you are using crontab -e that set of Cron tasks runs as the user which crontab -e was executed as - that is, your user user.
Therefore, you should only provide the cron entry WITHOUT the user bits, i.e.:
* * * * * /usr/bin/python3 /home/user/src/code/prod.py
The user definition you were attempting to use should only be used in the system crontab in /etc/crontab and in entries in cron definitions under /etc/cron.d/.
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
edited Apr 4 at 15:03
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
answered Apr 4 at 14:29
Thomas Ward♦Thomas Ward
45.4k23125178
45.4k23125178
Not to nitpick, but the "cron user" probably has/usr/binin its $PATH. So,* * * * * python3 /home/user/src/code/prod.pywill probably work.
– Seamus
Apr 4 at 14:56
2
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
1
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
add a comment |
Not to nitpick, but the "cron user" probably has/usr/binin its $PATH. So,* * * * * python3 /home/user/src/code/prod.pywill probably work.
– Seamus
Apr 4 at 14:56
2
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
1
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
Not to nitpick, but the "cron user" probably has
/usr/bin in its $PATH. So, * * * * * python3 /home/user/src/code/prod.py will probably work.– Seamus
Apr 4 at 14:56
Not to nitpick, but the "cron user" probably has
/usr/bin in its $PATH. So, * * * * * python3 /home/user/src/code/prod.py will probably work.– Seamus
Apr 4 at 14:56
2
2
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
@Seamus when using crontabs it's generally better to use full paths just to rule out that problem.
– Thomas Ward♦
Apr 4 at 14:58
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
It's redundant... but I suppose that could be considered "generally better", for some. I'm only trying to point out that the "cron user" does have an environment, and it can be determined if it's not known.
– Seamus
Apr 4 at 15:02
1
1
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
@Seamus I often have to explain to people why their jobs that run fine from a bash prompt don't work correctly under cron (or Autosys etc.). I tell them that it's best to use the full path to everything they can, and explicitly set PATH= what they want it to be, rather than rely on "probably".
– Monty Harder
Apr 4 at 18:24
add a comment |
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3
When you run
crontab -eit is already using your username so there is no need to add your username to the beginning of the command. The only place on the system that you add the username is in the/etc/crontabfile.– Terrance
Apr 4 at 14:27
@Terrance that fixed my problem. i got my solution from cyberciti.biz/faq/… And I looked at the format and paid no attention to the "for system jobs"
– caleb baker
Apr 4 at 14:32