I have some commands, they are working under bash, but not as cronjob. To see, what cause the problem, i'm saving the output in a file, here my example:
51 * * * * source ~/.rvm/scripts/rvm >> stack.log 2>&1
The content of the log file is:
/bin/sh: 1: source: not found
That means, cron is using sh
insead of bash
. I've tried to change it in the /etc/crontab
:
SHELL=/bin/bash
But this doesn't work. I've looked in the /etc/passwd
and here i see, that the daemon is using sh
as default shell. Both root
and pi
have bash
as default shell.
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
pi:x:1000:1000:,,,:/home/pi:/bin/bash
What should i do to change the default shell for cron? I wouldn't set /bin/bash
for the daemon user in /etc/passwd
...imho this is not a good idea.
edit:
ls -l /bin/sh
lrwxrwxrwx 1 root root 4 Mar 30 2012 /bin/sh -> dash
here the content of the /etc/crontab
:
# /etc/crontab: system-wide crontab
# Unlike any other crontab you don't have to run the `crontab'
# command to install the new version when you edit this file
# and files in /etc/cron.d. These files also have username fields,
# that none of the other crontabs do.
SHELL=/bin/bash
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# m h dom mon dow user command
17 * * * * root cd / && run-parts --report /etc/cron.hourly
25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )
#
source
in crons environment? Simply running the~/.rvm/scripts/rvm
doesn't work? And you can have problems with using ~ in non-bash-environments.