If you access files in your program, you'll need to take this into account if you use relative paths, or (preferably) just use fully-qualified paths everywhere, and save everyone a whole You can tail -f /var/log/cron.log and you will see cron fail with password expired. Run the following command to see your current path. Please write only cron-specific issues, e.g. have a peek here
NOT working I had this: User@Uva ~ $ ps -ef | grep cron | grep -v grep User 2940 7284 pty1 19:58:41 /usr/bin/crontab SYSTEM 11292 636 ? 22:14:15 /usr/sbin/cro Basically I That way I am taking advantage of any existing syslog infrastructure (centralized syslogs, Splunk, log rotation already supported, it's easy to compare messages in /var/log/messages & /var/log/cronjob, etc), and I'm not I wonder why? –Atomiklan Nov 26 '14 at 16:36 It is because cron job has its own environment which does not have such a standard input/output system you'd expect The command will be run as the named user.
I created a file mycronjob with cron schedule, username & the command and copied it to the /etc/cron.d directory. That and other good gotchas here: http://www.pantz.org/software/cron/croninfo.html share|improve this answer edited Aug 26 '12 at 6:59 community wiki 2 revs, 2 users 75%JMS This is what has been causing Code: # cat ntopdump.sh !/bin/bash wget -O ntop-$(date +%Y%m%d_%H:%M).php "http://127.0.0.1:3000/dumpData.html?language=php&view=short" # getrue View Public Profile Find all posts by getrue
If this is about Debian and not Ubuntu, please ask on Unix & Linux. –muru Nov 25 '14 at 1:46 Because debian is at the core of Ubuntu I cron runs your command in a restricted environment. 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. Cron: Unrecognized Service share|improve this answer answered May 16 '14 at 19:54 jl6 3491213 1 The root crontab would execute any commands as root.
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Crontab Not Running Bash Script 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. Permissions allowing write access to non-root would be considered a security hole. –ChuckCottrill May 16 '14 at 23:10 @ChuckCottrill: But the group write bit would only have given write have a peek here 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.
From reading I did, it looks like this is a potential security issue but I am the only administrator on a single home network so I decided it was OK. Crontab Not Running Python Script 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 Easy fix to remove the 'v': #!/bin/bash some commands tar cfz /my/archive/file.tar.gz /my/shared/directory some more commands share|improve this answer edited Jun 3 '12 at 6:59 community wiki 2 revs, 2 users share|improve this answer edited Jun 12 '12 at 17:42 community wiki 3 revs, 2 users 77%Mange "Doing so (at least in Ubuntu 10.10) breaks on both the inability to
Keep reading the rest of the series:What is cron on a Linux or Unix-like systems?HowTo: Add Jobs To cron Under Linux or UNIX?Linux Verify crond Daemon And Cronjobs Are RunningLinux Start If you have root access, you can stop the cron daemon and start it in debug mode. Crontab Not Running Shell Script Is this a permission problem, or is crontab not working correctly? Crontab Not Running Centos Should I trust a website which breaks when I use a complex password?
A common "gotcha" here is the PATH environment variable being different. http://getplaycraft.com/crontab-not/cron-job-not-working-linux.html You can check /var/log/ for entries relating to cron. I'm not sure what was the problem, but it's evidently gone. 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. Cron No Mta Installed
Only after you can sleep well as all will be sent to your root's mail instead of just logged. Programs that act differently based on whether stdin is available or not will behave differently between the shell session and in cron. Enjoy the site! http://getplaycraft.com/crontab-not/crontab-in-linux-not-working.html I have a habit of making the cron entry run 3-5 minutes in the future when I test a script from a crontab entry, because I used to get fooled by
However, I might want to run this command with several others from one file (thus making it easier to maintain) but make sure file output is assigned the right owner. Start Cron The script looks like this: #!/bin/bash UP=$(pgrep node | wc -l); dt=`date '+%d/%m/%Y_%H:%M:%S'`; if [ "$UP" -lt 1 ]; then pushserver -c /var/www/config.json echo"$dt Node is down."; else echo "$dt Node Why is translateY(-50%) needed to center an element which is at top: 50%?
Using transistor as switch, why is load always on the collector How to find x and y coordinates based on the given distance? When you edit the crontab file with the command crontab -e and save it, crond checks it for basic validity but does not guarantee your crontab file is correctly formed. Do you want the cron daemon to run as yourself? (yes/no) no Were the passwords of all cron users saved with "passwd -R", or are you using the cyglsa package ? Crontab Permissions Is there a way to block an elected President from entering office?
Code: # tail -f /var/log/cron Sep 7 13:20:01 argela crond: (root) CMD (root sh /root/ntopdump.sh) Sep 7 13:21:01 argela crond: (root) CMD (root sh /root/ping.sh) Sep 7 13:24:01 argela crond: (root) This script will help you do so. If the computer is not powered on or crond daemon is not running, and the date/time for a command to run has passed, crond will not catchup and run past queries. http://getplaycraft.com/crontab-not/crontab-not-working-redhat-linux.html As a part of the task it had to configure daily cron job to run at an arbitrary time, when the database load was low.
share|improve this answer answered Oct 23 '13 at 4:45 gaRex 23625 1 That error report was closed back in 2007 with the status of the patch being added to the
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