0
votes
2answers
55 views

Why does this Shell script fail as cron job [on hold]

I have the following in a shell script, when I run this script it works but when I put this as a cron job it does not work(nothing happens!). How come? script #!/bin/bash ...
1
vote
1answer
149 views

Why doesn't my supervisor daemon start on reboot?

I have added a crontab entry via crontab -e for the current user: @reboot supervisord -c /etc/supervisord.conf Yet after the reboot, supervisord demon is not running. I need to run the command ...
2
votes
0answers
192 views

`crontab -e` sometimes fails with “Creation of temporary crontab file failed”

From time to time crontab -e fails on me on a Ubuntu box. It is the same for all users including the root and crontab -eu <user> under the root. Goes like this on a regular basis, a success here ...
2
votes
1answer
127 views

How do I set cron to run on background?

I am on ubuntu 12.04 and following this tutorial. I want to setup cron to run in the background but I don't have a chckconfig in sbin so I can't run sudo /sbin/chkconfig crond on I am fairly new to ...
4
votes
3answers
5k views

How do I find out why cron is not running my jobs?

I'm using Ubuntu 14.04, and the cron daemon is running: # ps ax | grep cron 822 ? Ss 0:00 cron but it is not executing any jobs. I was previously getting entries in /var/log/syslog such ...
0
votes
2answers
309 views

Backup of svn repository and mysql database on daily basis

How do I instruct Ubuntu 13.10 server to: zip svn repository dump mysql database into .sql script tar both files copy backup tar onto sdb disk Are there any premade tools for such kind of ...
2
votes
1answer
3k views

Root Cron Won't Run Script (permission denied)

I've edited my root cron tab to periodically execute a script located in a particular user's folder using this command: sudo crontab -e When cron runs the script, this is the output: sh: 1: ...
0
votes
0answers
24 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 ...
0
votes
3answers
195 views

Disable cronjob after reboots

How can I prevent cronjobs from automatically starting after my server has rebooted? Every time I reboot my server the cronjobs start up again, which I'd like to prevent. These servers are running ...
0
votes
1answer
816 views

Cron does not print to syslog

I have following crontab file - # /etc/crontab: system-wide crontab # Unlike any other crontab you don't have to run the `crontab' # command to install the new version when you edit this file # and ...
3
votes
2answers
567 views

setting a cronjob in IST time

I am trying to set a cronjob run in a different timezone. I've googled a lot and found editing /etc/default/cron is the way to go. But this file is deprecated and I see the following message, so I ...
1
vote
1answer
164 views

How to figure out what is performing scheduled server reboots?

I'm helping a friend with a server and it appears the server reboots every week on Sunday night. How can I figure out what is causing is the server to reboot? Aside from rebooting, the server appears ...
1
vote
1answer
589 views

Cron automated bash script to run run 1 bash script then another, plus integrity check

So I have a custom in-house app developed by a 3rd party. When the app is running, I can verify it is running with the "screen -ls" command. As long as screens are running for rails and freeswitch ...
2
votes
4answers
2k views

Crontab not working

I'm trying execute a basic shutdown crontab to run M-F at 10PM. So I did the following: sudo crontab -e Once inside of the crontab I added the following line: 0 22 * * 1-5 shutdown now The job ...
1
vote
1answer
85 views

Cron job doesn't seem to be executing in ubuntu

I have a script located /myscript/script.sh and I have a cronjob that I submitted like this: sudo crontab -e The contents of the crontab are as follows: */1 * * * * ./myscript/script.sh The ...
0
votes
2answers
191 views

Linux 'mail' command: Can't open display

I've just installed the 'mail' command in Ubuntu (mailutils package) in order to view feedback from cron jobs. I type 'mail' at the prompt and see something like this: "/var/mail/*$USER*": 1 message ...
1
vote
1answer
126 views

How to prevent the termination of Anacron jobs after battery mode commences?

I have a backup script which is run daily by Anacron. It can take around 3 hours to complete. I'm happy for Anacron not to commence the script if the laptop is running on batteries, but once started, ...
2
votes
2answers
277 views

Strange crontab-script interaction (bash)

I'm running Ubuntu 12.04 and bash. I've written a pair of shell scripts that allow me to set an alarm which, after ringing, unsets itself. The first, alarmset, allows me to enter a time and modifies ...
2
votes
0answers
123 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 ...
0
votes
2answers
2k views

Ubuntu crontab php not working

Yes, I have read many, many documentations but I can't get it to work. I have a simple single php file which I want to run once or twice in a minute. My php file is called: cronjob_refresh.php and I'm ...
1
vote
0answers
140 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 ...
0
votes
2answers
202 views

Lock folder when running cron

I am setting up my first cron on a Ubuntu Desktop system. I was curious to know if there is a way to lock a folder before a cron is ran and how to set it up? I am following this article. I am just ...
0
votes
0answers
258 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. ...
1
vote
2answers
4k views

Watchdog script to keep an application running

I currently use an application called MxEasy on my linux servers to display video from a couple of IP cameras. The software is rather buggy and crashes occasionally. I've wrote a script that checks to ...
1
vote
3answers
3k views

Why isn't cron running automatically?

OS : Ubuntu 12.04 Now I want to use Backup and Whenever gem to automatic backup my database. When I connect the server by ssh as an added user to run backup perform -t my_backup,it works well.But the ...
1
vote
1answer
75 views

Setting up a cronjob as a file

I want to create a cronjob at my Ubuntu server by adding/modifying a file in the /etc/cron.d folder, rather than using crontab -e as it's not too easy to automate. I've managed to make a file looking ...
14
votes
3answers
4k views

Are multiple @daily crontab entries processed in order, serially?

I want two jobs to run sometime every day, serially, in exactly the order I specify. Will this crontab reliably do what I want? @daily job1 @daily job2 I'm assuming they run one after the other, ...
2
votes
1answer
3k views

Cron job not executing

I'm trying to use cron for the first time, and I'm stuck. I'm using Ubuntu 10.10, and the following is my /etc/crontab file. The only modification that I've made is appending the last line. I've ...
0
votes
3answers
770 views

How to use gnome-session-save from cron?

I am trying to issue the gnome-session-save --kill command via crontab. I used the command sudo crontab -e. In the file is this: PATH=/usr/bin 00 00 * * * gnome-session-save --kill The command does ...
3
votes
1answer
3k views

cron not executing?

I have the following cron tab installed: crontab -l # m h dom mon dow command */10 * * * * "echo" >> /tmp/cron.log The server is at rackspace, it's a cloud server: Linux myserver #8 SMP ...