In my case the script in cron.daily did not start with #!/bin/sh. share|improve this answer edited Oct 22 '15 at 9:04 Raphael Ahrens 4,84451939 answered Oct 22 '15 at 8:54 MohanBabu 63 add a comment| Your Answer draft saved draft discarded Sign asked 5 years ago viewed 497743 times active 7 days ago Linked 5 Bash script not executing from crontab 0 Crontab and Shell Script not Executing 0 Crontab not running 2 Tried service restart after * * * * * touch /tmp/cronworks did nothing, yet there is RELOAD at cronlog. –НЛО Oct 1 '14 at 3:57 add a comment| up vote 26
Tried using service utility and it said cron was already running. share|improve this answer edited Oct 25 '13 at 15:04 community wiki 4 revs, 3 users 80%pbr add a comment| up vote 8 down vote Script is location-sensitive. any sane admin would ensure sane permissions/ownership on system files. –geirha Apr 10 '12 at 6:36 1 @pbr It seems we could go on forever, yes. double whammy. –WernerCD Jun 2 '11 at 4:22 4 +1 for env, I had completely forgotten about that command and thought PATH was working. http://askubuntu.com/questions/23009/reasons-why-crontab-does-not-work
Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Can they be split into separate answers? –Eliah Kagan Nov 24 '11 at 23:07 4 Can you explain how 30 23 * * * translates to 11:15 PM? –JYelton Jan A text file is supposed to consist of a sequence of lines, each terminated by a newline, so any non-empty text file ends with a newline character. scriptname or sh scriptname or bash scriptname, then this becomes a cron-specific problem. –Eliah Kagan Nov 24 '11 at 23:09 add a comment| up vote 13 down vote If your cronjob
You can see if this is the case by comparing the cron environment to your user environment. The solution is to put everything on a single line. share|improve this answer answered May 16 '14 at 19:54 jl6 3491213 1 The root crontab would execute any commands as root. Cron: Unrecognized Service commands that execute as expected from the shell but execute erroneously by cron.
I kept doing ps -ef | grep foo –ripper234 Mar 17 '11 at 17:01 3 You could also use pidof cron which will omit results for other applications that also Leading whitespace and blank lines are ignored. any sane admin would ensure sane permissions/ownership on system files. –geirha Apr 10 '12 at 6:36 1 @pbr It seems we could go on forever, yes. sudo service cron start share|improve this answer edited Jan 26 '12 at 10:57 community wiki 4 revs, 4 users 38%user6019 26 Thanks for showing me pgrep.
I am not aware that anything has changed. Crontab Not Running Python Script You may also like rsync over SSH: backup your data securely Ultimate List of Beginner Linux Commands With Examples Crontab Format Explained Samba File Sharing Configuration and Tutorial Linux cron job I think this is more portable: ... /path/to/your/command >/tmp/mycommand.log 2>&1 –chus Aug 2 at 14:24 add a comment| up vote 8 down vote If your cronjobs stop working, check that your I finally found out what was going on when I checked syslog and saw my command was truncated at the % symbol.
pgrep cron cron is running if you see a number. Term for a perfect specimen or sample My cat sat on my laptop, now the right side of my keyboard types the wrong characters Code ladder, Cops Why is looping over Crontab Not Running Shell Script Would you like to answer one of these unanswered questions instead? Crontab Not Running Centos I use both Linux and Windows in my day to day life but prefer Linux.
The best choice is to ensure that your crontab has a blank line at the end. 4th Berkeley Distribution 29 December 1993 CRONTAB(1) share|improve this answer edited Feb 2 '11 at What power do I have as a driver if my interstate route is blocked by a protest? For this reason, tasks saved in /etc/crontab will not appear in anyone's crontab -l. –John WH Smith Aug 18 '14 at 11:15 add a comment| 4 Answers 4 active oldest votes Your cron script must have executable permissions in order for cron to run it. Cron No Mta Installed
Tried service restart after * * * * * touch /tmp/cronworks did nothing, yet there is RELOAD at cronlog. –НЛО Oct 1 '14 at 3:57 add a comment| up vote 26 Browse other questions tagged linux ubuntu-12.04 crontab or ask your own question. Hence playing it save and including a blank line. –Izkata Jan 18 '12 at 15:20 2 If you edit crontab using crontab -e it will check the syntax of the thank you –IljaBek Oct 2 at 10:47 add a comment| up vote 9 down vote Insecure cron table permission A cron table is rejected if its permission is insecure sudo service
Mimsy were the Borogoves - why is "mimsy" an adjective? Start Cron If the user running your command is not in /etc/shadow. It is commented throughout and ends with the line # EOF.
How? cron runs your command in a restricted environment. chmod +x /path/to/script Executable scripts make cron very happy. 5.) Incorrect permissions Permissions are a very common problem especially for commands placed in crontab. Crontab Permissions Using 'curl http://something.com/somefile.xls' was causing a script I wrote to hang and never complete because it spits out a newline followed by a progress line.
The cron job specification format differs between users' crontab files (/var/spool/cron/username or /var/spool/cron/crontabs/username) and the system crontabs (/etc/crontab and the the files in /etc/cron.d). Check if the script has an error, by doing a dry run on the CLI when testing your command, test as the user whose crontab you are editing, which might not There is a point where I was required to enter my Win7 user password for my 'User' account. Why is (a % 256) different than (a & 0xFF)?
Is there any way for a planet orbiting a red dwarf in the habitable zone to not be tidally locked? The last one hurts regularly unsuspecting users; in particular any script in one of these folders named whatever.sh, mycron.py, testfile.pl, etc. Taking Control Back as a DM? These directories usually don't have the desired command.
And as for /opt/someApp/bin, why on earth wouldn't it have sane permissions/ownership? due to expiring or invalid password attempts) If the system is using PAM and the account is locked, this can stop its cronjob from running. (I've tested this on Solaris, but I forget why I didn't use that, possibly some non-standard behavior that circumvented said solution. Ubuntu: grep CRON /var/log/syslog Redhat: /var/log/cron Check permissions set executable flag on the command: chmod +x /var/www/app/cron/do-stuff.php if you redirect the output of your command to a file, verify you have
Reload the cron jobs sudo service reload, or restart cron service sudo /etc/init.d/cron restart How to make a file executable? Permissions are too strict. The first involves using absolute paths in your script. Otherwise, it won't be read by cron.
OUR what? Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Why are auto leases stubbornly strict about visa status and how to work around that? First I had to get rid of the space before and after = for the line specifying DISPLAY.
Although there was a significant lang of about 5 seconds after the clock chimed the hour when my pop up window should have showed...
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