cron is a task schedueler based on clock time that runs on Linux based machines.
-3
votes
0answers
10 views
Notification cron in PHP for iOS Application [closed]
I can send notification manually as following code.
<?php
// Device token:
$deviceToken = 'xxxxxx';
$passphrase = 'xxxxx';
$badge = 1;
// Displays alert message here:
$message = 'Match Found!';
...
1
vote
1answer
15 views
Directory permission with crontab
I have a directory my_website/public, which I did chmod 777 on. I set up a cronjob to delete all the files in my_website/public/photos/* But I got an email notification saying that rm does not have ...
0
votes
3answers
25 views
OsX Crontab having no effect
I am dynamically appending cron tasks to the user crontab
The tasks seem to be getting adde, crontab -e looks like:
*/10 * * * * /bin/sh /Users/john/Kiosk/app/content/update.sh
@reboot /usr/bin/open ...
0
votes
0answers
13 views
Remove expired cron jobs from quartz schedule
I have some quartz jobs that run only once. They are scheduled with CronTrigger.
How can I remove expired cron jobs from quartz schedule?
1
vote
1answer
13 views
Job shows up in crontab -l but not in /etc/crontab
There is a certain job that shows up when I do
$ crontab -l
and I can verify that this is also running.
However, the job is not listed in /etc/crontab.
Say the job is /somedir/somefile
I can't ...
3
votes
1answer
55 views
Root account locked/suspended?
I'm shipping ts7800 boards running debian 6.07.
After programming, some boards do not run their cron jobs, complaining that they do not recognise the user root.
This happened on 2 out of 12 ...
1
vote
1answer
50 views
Why this cronjob wont run
On debian squeeze as user root I add this cronjob with "crontab -e"
*/1 * * * * root /usr/sbin/ntpdate ptbtime1.ptb.de >> /var/log/ntpdate.log
But this cronjob will not run, there is also ...
0
votes
0answers
19 views
How can I automatically sync a remote directory with a local one?
I've got a scenario where we need to grab files from a remote server that isn't ours on a regular basis. Once downloaded locally, these files are automatically processed and either moved or deleted - ...
1
vote
1answer
6k views
Why is my crontab not running
I have this cron
38 * * * * /bin/bash -l -c 'cd /var/rails/site/releases/20120705144335 && script/rails runner -e qa '\''Play.load_lists'\'''
I have this cron under the a different user so ...
1
vote
2answers
171 views
How do I run a rake task in cron under a different user?
I'm trying to run a backup script on ubuntu. My problem is that I'm trying to do this using the postgres user account that I setup on ubuntu. I believe having this account run the cron jobs is best ...
0
votes
1answer
26 views
I created Cron but I get errors that don't really understand
I created a crontab like this:
0 22 * * 2 /bin/echo " Hello World "
0 1 * * * /bin/echo " Test"
but I receive mails like this, what does it mean?
Subject: Cron /bin/echo " Test"
...
0
votes
2answers
45 views
Linux - switch to “cron” user
Sometimes i have issues with cron jobs not running, and diagnosing why can be difficult. What would be useful is to switch to the same user as the cron jobs run under, so i can see if there's a ...
0
votes
1answer
53 views
OpenWRT is ignoring scheduled tasks?
My OpenWRT 10.03.1 Router (Linksys WRT160NL) is ignoring my crontab (set via System->Scheduled tasks). I want to reboot the router every night, since it tends to get flaky after some days. So I ...
0
votes
1answer
29 views
Run command in cron
I'm trying to execute the command "redshift -l 33.8683:151.2086" at boot on my ubuntu system. The program works when run in a terminal so it may be sensitive to having the right runtime level. I've ...
1
vote
1answer
2k views
Chrome browser full Kiosk mode in Linux (Puppy Linux)
Let me just say thanks in advance.
I am having issues getting google-chrome browser into full KIOSK MODE with no browser bar on a linux platform
Looking through the google forums I have found ...
3
votes
2answers
84 views
Found a script on my cron.monthly, i am wondering what's it doing?
I am new to bash-programming, sorry if this might be a kind of stupid question. I found a script on my server and i am trying to understand every line:
#!/bin/sh
#
# man-db cron weekly
set -e
if ! ...
0
votes
1answer
44 views
Cron Job in Linux
I am newbie just have a doubt,
I have a Outerl.sh to be executed on every zip file arrival in FTP and get the *.sh file inside the zip file and execute that (.sh) file which present inside the zip ...
0
votes
1answer
22 views
Why echo $(crontab -l) outputs current working directory listing and only then the content of crontab file itself?
So if cwd is the /tmp now:
crontab -l
> #min hour day mon dow command
> * * * * * /usr/local/bin/growlnotify -t 'helloTitle' -m 'helloMessage' -n 'myApp' -sw
but:
echo $(crontab -l)
> ...
1
vote
2answers
26 views
Circular RSync for Wordpress
I've got 4 servers in a load-balancing setup. And I've got a wordpress app on which I need to upload images. Now there is rsync set up on all the servers on a cron with a 1 minute interval with the ...
1
vote
1answer
985 views
/etc/environment and cron
I've got two machines: Fedora and CentOS. And a cronjob
0-59 * * * * env > /home/me/env.log
On CentOS I can see that /etc/environment is affecting the output while on Fedora it does not. I want ...
14
votes
3answers
8k views
Log of cron actions on OS X
Does the cron which comes with OS X log its actions anywhere?
I'm not looking for output of any particular cron job, but rather log of what cron is doing. On a couple linux machines I've checked, ...
2
votes
1answer
115 views
cron job not executing
I have a cron job that is supposed to run a script every 15 minutes.
*/15 * * * * /path/to/script.sh
I checked in three hours later and found that the script never ran, even once.
Earlier I tried ...
0
votes
1answer
71 views
Simple Linux-based task scheduler with job dependencies?
I'm maintaining a data-warehousing system that involves a lot of dependent jobs (data import, transform, etc). I've been using Linux's crontab to manage them until the dependency between jobs get ...
2
votes
3answers
37 views
Is it possible to run two instances of crond each with its separate cron file?
How to run two instances of crond with different cronjob files?
Is it even possible?
0
votes
1answer
52 views
Ubuntu: how does cron execute jobs?
I am having trouble finding an answer to this question thorough google:
How exatly does CRON in ubuntu execute jobs?
Does it spawn each new job in its own process?
Say i have two cron jobs:
...
3
votes
1answer
96 views
Raspberry Pi: open browser using bash and crontab
I'm trying to setup a simple bash script. I want to open the browser.
chromium-browser <url> works if I do it in the cli or in the bash script if I run the script by ./scrpt.
But if I put ...
1
vote
3answers
117 views
cannot access crontab with sudo after being added to /etc/sudoers list
My user "craig" is in the /etc/sudoers file on my CentOS 5.6 VM, however when I try to access the crontab using the command below I am presented with an error message:
sudo crontab -e -u ...
0
votes
1answer
31 views
Running Cronjobs as per Local Time rather than Universal Time
On running
dpkg-reconfigure tzdata
in terminal and i get 2 different time on my machine
Local time is now: Wed May 1 11:58:55 IST 2013.
Universal Time is now: Wed May 1 06:28:55 UTC 2013.
...
0
votes
0answers
35 views
How can I automatically save a list of open files in Geany, with cron or otherwise?
I use the Geany IDE for programming, and it does not reliably reload my previously open files, for example after a power outage. I found that Geany has a command line feature which returns a list of ...
0
votes
0answers
20 views
How do you commit changes to an XML file to source control when they are changed by the users of a web app?
An admin web app (closed-source, 3rd party) that we use generates XML files into the Linux server where it is running. These XML files contain application settings for a production application. Only ...
1
vote
2answers
973 views
Cron environment variables
I'm running a simple shell script that runs just fine in a login shell from cron, where it doesn't run. For some reason, /usr/local/bin is not on the users path when run from cron while it is when run ...
0
votes
1answer
108 views
How to resolve Win32 error 1069 when starting cron under cygwin?
The machine runs Windows 7 Home edition. I'm trying to use rsync to backup files to a linux box. The rsync command runs fine in cygwin. I resolved an earlier error by running the cygwin terminal as ...
15
votes
3answers
11k views
How to run a cron job as a specific user?
I would like to run a cron job as a specific user on my machine. How may I specify the user for a cron job to run as?.
I am running on Ubuntu 10.0.4
[Edit]
The cron jobs will be running on a ...
3
votes
4answers
3k views
Are there any good crontab syntax checkers, or entry tools?
Recently a user on one of our systems (linux Ubuntu, but any *nix would be the same) had a crontab file missing a terminating newline.
It is common for *nix configuration files to require that ...
4
votes
4answers
5k views
bash: using scp in cron job fails, but runs succesfully when run from command line
I am trying to use scp in a bash script run by cron (I am running this on Ubuntu 10.0.4 LTS).
The script works fine (i.e. transfers and copies file1 and file2 to/from the remote server, when I run it ...
0
votes
3answers
108 views
How to run a script at boot time for normal user?
I want to run a bash script at boot time in CentOS 6. I added the script in /etc/init.d/ directory but all these script are run by root. I want to run script for any user.
0
votes
1answer
59 views
Running phantomjs with shell_exec under cron job
I have something like this:
$re = shell_exec("sudo /usr/local/share/phantomjs --version");
Unfortunately this gives me another problem:
sudo: no tty present and no askpass program specified
...
0
votes
0answers
45 views
Cron job not working due to wget error
I'm setting up a CRON job on my MediaTemple DV4 to generate a sitemap. To test I ran the command via the command line:
wget ...
1
vote
1answer
69 views
Found this logentry on my server in the cron.logs, seems to be a hack-attempt, any suggestion for further proceeding?
Here is a logentry, which was executed:
mkdir /root/.ssh/;echo "ssh-rsa <some unkown public-key> > /root/.ssh/authorized_keys
I'm guessing that I was hacked. Any advice for cleaning up ...
2
votes
2answers
89 views
Cron Job that restarts crashed game
So I'm hosting a game that is very tempermental and can crash a lot on Linux, I made this cronjob to restart the screen and game should it fail:
#!/bin/bash
for t in {1..12} do
if [ -z "$(ps -C ...
0
votes
1answer
204 views
Cron Job that Boots Screen at Start
I am trying to set up a number of processes that start during boot (servers for games) with the below command as the cron item:
@reboot /usr/bin/screen -fa -d -m -S
NAME COMMAND
However if the ...
0
votes
1answer
60 views
Cron Job Command To Delete 0 Byte Files
I need to have a Cron Job, that when it runs automatically deletes all of the files inside of a folder that are exactly 0 bytes.
The script I am using allows users to enter their username so it ...
1
vote
2answers
493 views
cron and at are not working
On my Mac (yeah, yeah I know. but my Linux box is at work) for some reason cron and at don't want to work. They both register that jobs have been added, with no syntax errors or any qualms at all. ...
0
votes
1answer
70 views
Crontab doesn't run my script Ubuntu
My script is located in /opt/restart-hlasic.sh
restart-hlasic.sh contains:
#!/bin/bash
SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/
SERVER="XXX"
...
0
votes
2answers
36 views
Crontab - vim preferences
I use vim as my normal edito and so have my vimrc set up in a particular way.
I quite often find myself editing crons with the command
crontab -e
When I do, I edit in vim, but without my normal ...
2
votes
2answers
349 views
What are the limitations of crontab?
Hardware considerations aside, are there any limitations on:
The maximum number of cron jobs that can be scheduled for a single user
The maximum number of CONCURRENT jobs that can be scheduled for a ...
7
votes
6answers
5k views
Error adding cronjobs in Mac OS X Lion
Until now, I have never attempted adding a crontask on my Mac. To my surprise, it threw an error..
[hayek@mac:/www/] 02:33:22 PM: crontab -e ...
0
votes
1answer
26 views
Crontab comments on same line as job seem to cause issues
Can you put a comment on the same line as a cron job?
Example:
* 19 * * * lnxuser rm /home/lnxusr/edi/logs/mcfg204_`date -d -8days +\%Y\%m\%d`.log #THIS IS TO WIPE A 204 LOG THAT IS OLDER THAN A ...
0
votes
1answer
44 views
How to execute a php file when a cron job is created
I want one of my PHP file to be executed when the cron job is executed. I want to do this for updating the database of every users. It is a Banking application project and I need to update every ...
4
votes
2answers
2k views
Set a cron every certain hours between certain hours
How can I set a cron to run every 2 hours between 8 am and 5 pm for example? Is this possible?
