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Crontab Not Working Linux


There is a system-wide /etc/crontab file, the /etc/cron.d directory may contain crontab fragments which are also read and actioned by cron. Your script cannot contain any special characters when placed into one of the /etc/cron.* directories. What is the output of sudo crontab -l | grep -v '#'? –terdon♦ Nov 25 '14 at 1:16 Why is this tagged debian? The "minute" field will become ineffective after the hour is changed. news

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 Clubber Lang Linux - General 3 09-30-2004 10:29 AM All times are GMT -5. cron share|improve this question edited Jun 21 '14 at 1:40 community wiki 10 revs, 4 users 58%Adam Matan 4 You must close crontab -e for the cron to take affect. In case of problem, examine the log file for cron, /var/log/cron.log, and the Windows event log (using /usr/bin/cronevents) for information about the problem cron is having.

Crontab Not Running Shell Script

One is to run the shutdown command as a script automatically at login but with specific time as a parameter instead of "now": shutdown -r 00:00 However, this will yield a If your cron job is executing a script of some kind, you must be sure to use only absolute paths inside that script. In my case, I had reverted/restored some crontabs in /var/spool/cron/crontabs via SVN which changed its permissions! –alfonx Jun 8 '13 at 20:40 add a comment| up vote 9 down vote Crontab grep – show lines until certain pattern Is it more efficient to have many or a few rotors?

Many users choose to place scripts inside of these folders to bypass the finicky requirements of their own crontab. Debugging cron commands Check the mail! Having a problem logging in? Cron: Unrecognized Service Setting proper permissions is definitely a largely overlooked issue.

Run the following command to see your current path. Crontab Not Running Bash Script I used a solution that I happened to already have on my laptop on an exam. See man cron for more details, if necessary. http://serverfault.com/questions/449651/why-is-my-crontab-not-working-and-how-can-i-troubleshoot-it Using the file provides a backup of what the crontab should be, and allows temporary edits (the only time I use crontab -e) to be backed out automatically.

This is reloaded daily from a crontab entry like: #!/usr/bin/crontab # Reload this crontab # 54 12 * * * ${HOME}/bin/crontab The reload command above relies on an executable crontab with Crontab Not Running Python Script This site is not affiliated with Linus Torvalds or The Open Group in any way. I forget why I didn't use that, possibly some non-standard behavior that circumvented said solution. up vote 116 down vote favorite 81 This is a Canonical Question about using cron & crontab.

  1. If you don't have proper permissions under your user, cron is not going to have the proper permissions either.
  2. Do I have to install something or just restart one of the two? –hgoebl Oct 21 at 11:41 add a comment| up vote 14 down vote Permissions problems are quite common,
  3. I put a file in /etc/cron.{hourly,daily,weekly,monthly} and it doesn't run Check that the filename doesn't have an extension see run-parts Ensure the file has execute permissions.
  4. 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.
  5. What is a positive descriptor for someone that doesn't care about anything/is always neutral?
  6. cron runs your command with cwd == $HOME Regardless of where the program you execute resides on the filesystem, the current working directory of the program when cron runs it will
  7. The time for the crontab to run comes and goes and the system does not reboot.
  8. Suggestions to test or fix this for a failing command: Try running the command in sh to see if it works Wrap the command in a bash subshell to make sure

Crontab Not Running Bash Script

Coworker throwing cigarettes out of a car, I criticized it and now HR is involved more hot questions question feed about us tour help blog chat data legal privacy policy work There should be logs of all cron jobs run, regardless of success or failure. Crontab Not Running Shell Script 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 Crontab Not Running Centos What is the most someone can lose the popular vote by but still win the electoral college?

In my particular case, I was using date --date="7 days ago" "+%Y-%m-%d" to produce parameters to my script, and it was failing silently. navigate to this website What I did instead was write a recursive script using at. Hot Network Questions "The Blessed One", is it bad translation? I was trying to run offlineimap every five minutes... Cron No Mta Installed

Flash driver for 220V lamps according to the state of two switches What are some ways that fast, long-distance communications can exist without needing to have electronic radios? dcron was working, and I hope someone brings that AUR package back to life. The following accounts were found: 'cyg_server' . More about the author It's likely that you are using Vixie Cron, in that case the debug flag is -x.

In /etc/rsyslog.conf or /etc/rsyslog.d/50-default.conf the line: # cron.* /var/log/cron.log should be edited (sudo nano /etc/rsyslog.conf) uncommented to: cron.* /var/log/cron.log After that, you need to restart rsyslog via /etc/init.d/rsyslog restart or service Start Cron You might need to redirect the output to devnull: shutdown -r now > /dev/null Here are two helpful webpages for cronjobs: CRON Tester CRON Generator You can also handle the cronjobs If you want cron to send mail to a different account then you can set the MAILTO environment variable in the crontab file e.g.

The fix for me was to move the script in to a non=encrypted directory and everythig worked fine.

This is crontab's attempt to try to "do what you want" when the time changes out from underneath it. If your command is in a different location you can solve this in a couple of ways: Provide the full path to your command. 1 2 * * * /path/to/your/command Provide Write each reason in a separate answer. Crontab Permissions share|improve this answer edited Mar 28 at 3:31 ifly6 628419 answered Mar 31 '14 at 6:52 Roshan Bhandari 3251417 Also never forget the hashbangs #!/usr/bin/env python at the top

This is because cron jobs do not necessarily run from the directory in which the script is located, so all paths must be called specifically. A comma (,) is used to specify a list e.g 1,4,6,8 which means run at 1,4,6,8. Armistice Day Challenge Mimsy were the Borogoves - why is "mimsy" an adjective? http://haiteq.com/crontab-not/crontab-not-working-redhat-linux.php Next time, try logging the STDERR as well.

Root's crontab does work. Are you sure you want to replace the current answer with this one? Now compare the contents of /tmp/env.output with the output of env run in your regular terminal. The first 5 fields of the line represent the time(s) when the command should be run.

These fail under crontab, although some will work with input redirection. This does NOT work in cron: goaccess -a -f /var/log/nginx/access.log > output.html and goaccess shows the help page instead of creating the report. I tried pidof cron and got nothing. This will cause errors stating things like george; command not found when you move a command out of /etc/crontab or a file in /etc/cron.d into a user's crontab file.

Ask Ubuntu works best with JavaScript enabled current community blog chat Server Fault Meta Server Fault your communities Sign up or log in to customize your list. I used a solution that I happened to already have on my laptop on an exam. share|improve this answer answered Nov 1 at 4:44 theINtoy 1,06911225 add a comment| up vote -1 down vote Sometimes the command that cron needs to run is in a directory where Share your knowledge.

Archer36 Slackware 1 03-21-2006 09:54 PM Crontab "root user" problems... A user formatted crontab does not include a username in the 6th position of a row, while a system formatted crontab includes the username and runs the command as that user. You are currently viewing LQ as a guest. By all means, use whatever cron implementation you wish.

And as for /opt/someApp/bin, why on earth wouldn't it have sane permissions/ownership? November 13, 2015 3.3k views Configuration Management Hi Digital Ocean forum!