Cron is a job scheduler that allows users to run commands periodically.

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Custom crontab does not work (FreeBSD)

I created file crontab.custom with: */1 * * * * /home/username/data/www/run.sh And run.sh contains: php script.php After this I run this command crontab crontab.custom. Now crontab -l ...
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2answers
360 views

Use /etc/aliases for outgoing mail relayed by postfix with local domain

I'm using Ubuntu 12.04 with postfix configured as satellite system that relays outgoing mail to Gmail. For sake of example, my registered domain is example.com I want root cronjobs' error output to be ...
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2answers
152 views

create a cronjob to run php script

I've created a cronjob in Xubuntu to run a PHP script in every 5 minutes. I did it as follows. I entered the following command: $ crontab -e Then entered the following: */5 * * * * /usr/bin/php ...
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1answer
165 views

How can I peek at the output of a running crontab task on OpenBSD?

I have an hourly hour-long crontab task running with some mtr (traceroute) output every 10 minutes (that is going to go for over an hour prior to it being emailed back to me), and I want to see the ...
2
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1answer
74 views

Cron does not execute xinit command

I have a command that works perfectly when launched from the prompt: xinit /home/user/myscript.sh -- /usr/bin/Xvfb :1 -screen 0 1x1x8 But is not executed when put in crontab: @reboot xinit ...
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1answer
57 views

Logrotate not picking up or acting on new configuration file

I had a logrotate configuration file set up for a log (let's call it Log1). It is working fine and the log is rotating everyday as expected. Yesterday I cloned this set up and modified it for three ...
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1answer
72 views

Rotating iptables logs, strange message about script being converted to upstart job

I use a script /etc/logrotate.d/iptables containing entries like: /var/log/in_iptables.log { rotate 4 weekly missingok notifempty compress ...
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1answer
85 views

How can I create cron jobs in specific files?

I want to have a separate folders for cron jobs like: /mydata/cronjobs Now in that folder I want to have files like backup_server which will have the content like: 30 3 * * 1-5 ...
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1answer
183 views

security concern around adding cron user to web application group

I have a permissions issue on my CentOS 5.6 machine with regards to the cron user. On my test/staging environment my cron user (picco-cron) is a member of one group - picco-cron, as below: ...
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1answer
30 views

How to get cron to delete files with names starting with foo and file extensions ending with bar? - done with php script

I'm sorry to post such a question but honestly, I've spent hours reading posts and still it doesn't work... Also if this should be posted else where but this felt like the right place. I have a ...
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1answer
160 views

sh script will not execute as root (cron)

I have the following script added to cron. If I add touch thisisatest.file to the first line it will create a file named thisisatest.file, but not execute the rest of the code. If I manually type ...
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1answer
91 views

Why does OpenSSL automatically send me Terminal mail?

I for some reason am getting messages from OpenSSL constantly (not literally constantly, but every hour or so) sent to my Terminal mail box saying: Message 1: Subject: Cron ...
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1answer
136 views

how to automatically cleanup failed PHP uploads in /tmp?

How can I automatically cleanup failed uploads? PHP is storing them in /tmp and all file names look like phpAbCDeF (basically php followed by 6 characters). I know that I can use the command: find ...
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1answer
110 views

run-parts ignores jobs.deny

I use run-parts to run all scripts under a directory,the same way crontab does. But the jobs deny and jobs allow don't block any of the scripts in the directory. rajeevs@rajeev:/home/rajeevs/test$: ...
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0answers
69 views

CRON Permission Denied

I have a Debian 7. 3 Server with WebMin installed. I configured a cron job to run every minute as root user, so I run the command crontab -l when I'm logged in as root it shows: * * * * * ...
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497 views

cron is ignoring MAILTO

I have big trouble with cron. On Debian 6, it is ignoring the MAILTO variable. Is there some other variable that has to be to set for cron to send emails to a different email address then local root? ...
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0answers
26 views

Solaris cron ignoring mail aliases?

As a Solaris user, I want cron jobs generated emails for the localuser@server to be forwarded to my myuser@sample.com email account, so that I read only one inbox. To resolve this I have forwarded ...
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0answers
85 views

Use dedicated per-user log file for cron and?

On Ubuntu 12.04 how can I configure cron to log to a particular file when it runs jobs as a particular user? I am interested in redirecting both the messages that go into auth.log and those going into ...
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49 views

Trying to kill cron job processes found by “ps ax | grep keyword” logged in as pi user

I'm trying to kill several processes from the command line logged into the pi as the user pi. All of the processes have been started by cronjobs, so they should belong to the root user. I'm running ...
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0answers
30 views

Create a fake read only device like file with incrond

I need to generate UUID with uuidgen (not through any function call, but external command, because processes which will read the file cannot call any APIs or external commands directly). My idea is ...
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0answers
25 views

Unplug AC causes anacron to stop. No resumumption if cron.daily had already started?

Anacron is started/stopped by a number of means, one of which is when AC power is plugged/unplugged, as can be seen by examining /etc/apm/event.d/anacron and /usr/lib/pm-utils/power.d/anacron. You can ...
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128 views

wget command not working in cronjob

here is my command : wget -c -O /home/alireza/Desktop/1.mkv http://mysite.com/myfile and here is my /etc/crontab file : SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root HOME=/ 0 2 ...
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0answers
107 views

Scheduling cronjobs at specified time

I have scheduled some jobs in crontab which are to be run one by one, at some specific time. My script for crontab is : 15 10 * * * /Users/sri/files/BatchFF.sh 45 11 * * * /Users/sri/files/BatchGC.sh ...
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121 views

External HDD read/write permission changing from a cron job

So, I run an overnight python script that runs a backup of our web data in the /var/www directory, then moves the backups to an external HDD in /media. The script in scheduled in the sudo crontab ...
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74 views

Lock a script starting daemons

I'm run a script with cron: */10 * * * * flock -n /tmp/lock script I have to make sure that only one instance of the script is running at the same time, and for that I'm using flock. The problem is ...
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0answers
496 views

Cron file syntax checker/validator script

Does anyone know a script (bash, perl, php ...) to validate the syntax of crontab files? I found this http://www.intuitive.com/wicked/showscript.cgi?053-verifycron.sh but just Vixie cron notation is ...
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0answers
18 views

why daily cron isn't running on CentOS 6?

I have a daily cronjob set up on CentOS 6 OS which should look after the log rotation job. The file is /etc/cron.daily/logrotate and it's contents are #!/bin/sh /usr/sbin/logrotate ...
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50 views

filter cron emails through procmail?

I'm using postfix/mutt/procmail on a Linux/Debian and I've some trouble filtering cron emails with procmail, I just want to move them to the cron/ maildir directory, but no lucky till now. I've ...
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15 views

Run Xdotool on multiple users at once

When running Xdotool on user one (cron): * * * * * export DISPLAY=:0 && xdotool mousemove 10 10 and I switch to user two for several hours, and back to user one, I find out Xdotool not ...
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28 views

How do I interpret an entry about cron in Gnome System Log Viewer

Apologies if this turns out to be a trivial question. I am trying to set up a regular backup of my files prior to installing Fedora 19 instead of my current Fedora 12. In November 2013 I started a ...
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CronTab on OpenShift

I have a robot witch updates a particular page on Wikipedia every 2 hours. I copied it to OpenShift and made a Crontab on my own computer witch connects to OpenShift via ssh and run the robot. How can ...
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fcron or followup on debian wheezy (stable)

I've been using fcron for a long time on debian linux. In oldstable it is still existing fcron_oldstable. So sad in the actual stable wheezy there is no fcron_stable. Are there suggestions which cron ...
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68 views

Socket output from server process disappears when process is run by cron

I'm having a really strange problem that only occurs when a server process is launched by cron. The environment is an Ubuntu 12.0.4 LTS distro running in an Azure VM, with an exposed endpoint to the ...
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0answers
191 views

CakePHP shell as cron permissions issue

First to say that I know basics of Linux systems. I am familiar with cron jobs. I am using CakePHP shell as cronjob. The script is using model's method to download pages from site user entered. ...
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0answers
197 views

Facing issue with cron on embedded linux

I have a SAM9 based board running embedded linux using buildroot package. I added the crond and crontab support to busybox from make menuconfig and built the rootfs and flashed it to my board. The ...