Ubuntu :: Add Two Separate Tasks/jobs To Cron?

Jul 13, 2010

I want to add two separate tasks/jobs to Cron that needs to run every 10 minutes, but I would like the second job to kick off only 5 minutes after the first job. Is there any way this could be done within Cron?

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Fedora :: No Output From Cron Jobs In /etc/cron.daily

Jan 29, 2011

I have added some executable scripts to /etc/cron.daily but don't get the stdout/stderr output from them as mail (or anywhere else I have found). At least one of them is running (because I can see that it has added a file to the disk).

The peculiar thing is that I do get the output from /etc/cron.daily/0logwatch (part of the logwatch package) as an email each day.

The MAILTO line in /etc/crontab is "MAILTO=root" (unchanged from default). Same for /etc/anacrontab.

I do have an alias at the end of /etc/aliases which redirects root's mail to my own account, but this alias works fine for mail I send manually. (It also appears to work fine for the output from the file /etc/cron.daily/0logwatch.)

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Ubuntu :: Cron Jobs Don't Run?

May 22, 2011

I have this in my crontab (along with another line before it):

Code:
* * * * * /bin/echo "Does this work?" > ~/test
...and the file doesn't show up. I have a blank line after that one in the crontab. I have no /etc/cron.allow or /etc/cron.deny files. I'm running Ubuntu 11.04. /var/log/syslog shows "BEGIN EDIT" and "END EDIT" etc. when I run crontab -e, but doesn't say anything about trying to run commands. Anything I might be missing?

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Ubuntu :: Set Cron Jobs Up For Programs

Jan 9, 2011

i need to know how to set cron jobs up for programs like eggdrop and psybnc

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Ubuntu :: Cron Jobs Not Running?

Jun 2, 2011

I have a cron job that executes fine in opensuse 11.4. It is located in

/etc/cron.d/publish.cron:
jpablo /srv/django-apps/smcommand/scripts/publish.sh

It is correct, I want it to execute every minute. Now, I copied the same script to ubuntu maverick, and it doesn't run. Perhaps there's some ubuntu peculiarity that I'm not aware of?

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Ubuntu :: Status Of Cron Scheduled Tasks While Computer Off?

Apr 29, 2011

Basically what I wanted to know is, if we turn the computer off (or hibernate/standby) - what will cron do with the tasks that were suppose to be scheduled during that time period the moment u turn it back on? Reason I ask is because i have a backup scheduled for every single hour. And another one I want to schedule for every 15mins. If I turn my comp in standby overnite, I certainly don't want to turn it on in the morning to find cron doing like 30 back up jobs!

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Ubuntu :: Cron Or Scheduled Tasks Not Working Properly

May 23, 2011

I am running a series of operations on executable matlab scripts which are connecting python and fortran scripts. I schedule the executables in cron. The problem:

- My original matlab scripts work perfectly.
- My executables work perfectly if I run them from the terminal. - Using the gui scheduled tasks and running the scripts once from a button, everything also works fine.
- But when I leave the scheduled tasks run on their own, I get an error! The error can be that the script hangs in general (I have some text logs exported every step to track the progress), or I get an error which never appears when I run the script with any of the other mentioned ways.
- I tried both cron command prompt or the GUI scheduled tasks
- I am running on Ubuntu 64 bit

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Ubuntu :: Cron Jobs Are Not Running And Can't Seem To Figure Out?

Mar 16, 2010

For some reason my cron jobs are not running and I can't seem to figure out why.
Here is crontab -l

Code:
SHELL=/bin/sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin

[code]...

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Ubuntu :: Cron Not Running Any Jobs In Lucid?

May 10, 2010

I use crontab for a daily alarm clock, which stopped working after I moved to Lucid.

Code:
$ crontab -l
# m h dom mon dow command

[code]...

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Ubuntu :: Cron Jobs Across Multiple Machines And PHP?

Jan 6, 2011

run a cron job to download my email logs to my laptop. But the question is HOW? Im not sure how to write the php script for the cron job. the file is on "computer A" and the file is setup to chmod I just need to know how to write the php to "access" the other computer and then download the file to a certain file on my laptop.

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Ubuntu :: Cron Jobs Stopped Running?

Jun 2, 2011

I am running Ubuntu 10.10 on a new Dell PowerEdge.

I built the system ~2 months ago and have successfully been running a list of cronjobs.

The jobs last ran on 5/31/11 at 7:35am. Since then none of the jobs have run.

I see "cron" in the process list when I run ps.

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General :: Scheduled Tasks / Cron Not Working Right?

May 23, 2011

Got a small problem, I'm trying to schedule a script to run every Thursday at midday and the scheduled tasks application on Ubuntu doesn't seem to work. The script is fine when I run it from a terminal.I have zero experience using cron at the command line, can anyone tell me what I should do?

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Red Hat / Fedora :: Where To Exactly Enter Cron Jobs

Nov 15, 2010

I have a Fedora 11 box and I am confused about cron, where exactly do I enter the cron jobs? For example, I have a job that needs to run every half hour.

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Software :: Cron Does Not Run Jobs In Debian 64?

Apr 6, 2011

Cron doesn't run jobs in Debian 64 (testing). It gives error
Code:
Apr 6 15:31:01 debian64 /USR/SBIN/CRON[5454]: (CRON)
Error (grandchild #5455 failed with exit status 1)
and does not run the script.

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Ubuntu Servers :: Cron Jobs At Reboot Not Working

Jul 13, 2010

Have a headless server running Lucid 64 bit. Everything is working great except for a couple of Cron jos I'm trying to have run at boot.

My user crontab looks like this:
# m h dom mon dow command
01 * * * * /home/ceallred/Scripts/SambaBkup.sh
@reboot /usr/bin/SpiderOak --headless &The SambaBkup script works like clockwork...

The SpiderOak job doesn't start. It works if I type the command in manually.
syslog only shows:Jul 13 22:45:33 RavenWing cron[1010]: (CRON) INFO (pidfile fd = 3)
Jul 13 22:45:33 RavenWing cron[1022]: (CRON) STARTUP (fork ok)
Jul 13 22:45:33 RavenWing cron[1022]: (CRON) INFO (Running @reboot jobs)
Jul 13 22:45:33 RavenWing CRON[1048]: (ceallred) CMD (/usr/bin/SpiderOak --headless &)Yet ps -A doesn't show a running SpiderOak process. It shows after starting manually.

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Ubuntu Servers :: Getting Emails From Failed Cron Jobs?

Jan 16, 2011

I recently set up exim so that I could test emails sent from my php sites. I have now been getting daily emails that either report errors from cron jobs or report a failure to send emails to root@cory-laptop or cory@cory-laptop about cron errors.I first of all don't want mail sent to the above addresses, because they are obviously not actual email addresses. Second, I'd really prefer not to get emails when an email failed to send to these addresses.

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General :: How To View Results Of Cron Jobs

Mar 21, 2010

I see so many guides on how to run crontab, but what I need right now is to learn how toFind log files about cron jobsConfigure what gets logged

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General :: Cron Jobs Setup For Each 15 Seconds

May 8, 2010

How can I cron jobs for less than a minute for example configuring cron job to do something for each 15 seconds.

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Server :: Users Unable To Run Cron Jobs

Jan 6, 2010

I have a file server that is an NIS client. User home directories are auto-mounted from another server. Users are not able to run cron jobs. The /var/log/cron logs says:
Jan 6 14:33:01 inclination crond[3217]: (username) ORPHAN (no passwd entry)

I tried adding an entry in /etc/passwd, /etc/group, and /etc/shadow but the test script I have still doesn't seem to run although cron thinks it did. The log entry for these attempts looks like:
Jan 6 15:30:01 inclination crond[4312]: (username) CMD (/home/username/test-script)

Now root does seem to be able to run cron jobs with no problem. My test script works fine from cron when runs as root. I suspect there's an issue with how I have NIS configured but I can't find any info. The test script runs fine from the command line when logged in as myself.

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Server :: Sending Mails Through Cron Jobs?

Jun 13, 2011

i want to recieve mails to my emial id for the cron jobs i have assigned in linux command line..

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Slackware :: Cron Jobs Scheduled To Run But PC Suspended?

Apr 7, 2011

By default, cron jobs are scheduled to run at 4:40 IIRC. I have my computer set to suspend after half an hour of inactivity so, except for some all-nighters, pretty much every day at that time my PC is suspended. What happens to the cron jobs? I don't suppose they run while the suspension is in effect. Do they get run when the computer wakes up or does cron wait until the next day at 4:40 to run the jobs?

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Debian Configuration :: Suspend Mode And Cron Jobs?

Jul 7, 2010

Just curious if this is possible. What I want to do is setup a rsync job to backup my laptop to my personal file server(same LAN), but I want it do do this at 3AM while I'm sleeping. However I always close my laptop lid when I'm done using it which puts the laptop into suspend mode since that's how I configured my power options in gnome. Since I don't want to leave my laptop powered up all the time, I was wondering if it is possible to have a cron job scheduled that will wake the laptop up(out of suspend mode) and run my script/backup job, all without opening the lid of the laptop, and then put it back into suspend mode when it's done. Is this possible, and is it as easy as scheduling a cron job or is there some other scripting/configuration/trickery that I need to do to accomplish this?

Also, my laptop's BIOS has the option to power on at a scheduled time if needed, but I'm not sure if that would work with it being suspended(hibernation is not an option since my entire HD is encrypted with LUKS and I would have to be present to enter the password to boot the system.).

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Debian Configuration :: Cron Jobs Not Running On XEN DomU

Aug 16, 2010

I have a XEN DomU VM running Lenny and set up using debootstrap. I also have the TimeWentBackwards issue sorted using: [URL]. The problem is that my cron jobs just don't run. I've set up a cron job that simply echoes a date string to a file as a tester but it's not running. I've tried it under the root crontab, in /etc/crontab and set up in /etc/cron.daily. Is there something I'm missing?

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Applications :: Correct Syntax For Scheduled Cron Jobs

May 25, 2010

I need to create the following cron jobs:

job #1: runs Mon, Tue, Wed, Thu, Fri, Sun at 9PM every month except for 15th
job#2: runs on 15th of each month at 9PM
job #3: runs every Saturday at 6PM every month

What is the correct syntax for this kind of scheduled cron jobs?

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General :: Make All Cron Jobs In Script Files?

Jun 28, 2010

in my linux box i have lot of cron jobs. i need to make all cron jobs in script files. is it possible to make this. like[URL]Now how i change this in a script file

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Server :: Running Multiple Cron Jobs At Same Time

Jul 1, 2010

I want to create 2 cron jobs daily

1st cron: Every day by 13(1pm) I want to stop the httpd service
2nd cron: Every day by 13:30(1.30pm) I want to start the httpd service

I tried but only 1 cron job can able to run at a time.

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Red Hat / Fedora :: Cron Jobs - Optimize Database Then Enable Apache Server

Sep 15, 2010

My server... its CentOS (redhat alike). I need to make the server disable apache server then run mysql command to optimize the databases then re-enable apache server in a specific time daily. Is it possible?

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Software :: Write A Cron Jobs In System To Monitor Project Diskspace Usage?

Jul 28, 2011

How to write a cron jobs in linux to monitor my project diskspace usage?
check diskspce= du -h .

any clue for me as a beginner?

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CentOS 5 :: Install Anti Virus / Security Package On Server Uses Cron Jobs To Do Scan Every 12 Hours

Feb 27, 2011

I have a Cent OS dedicated server, not sure what version though as I'm new to Linux. How do I find out what version I have? Is there an anti virus or security package that I can install on my server which can use Cron Jobs to do a scan every 12 hours.

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Ubuntu Servers :: Cron Sending Email From Address / Change The Default Domain Name For Cron?

Apr 29, 2011

Can anyone tell me how i change the default domain name for cron?everything i cron runs it emails from and to user@com.com

this leaves me with a massive list of failed mails in postfix.i have mailto on my main crontab but i cant do it on all of them.

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