cron is a task scheduler based on clock time that runs on Linux-based machines.

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3
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1answer
844 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 ...
2
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1answer
313 views

Cron Command for twice a month on Sat @12am

I am wondering if someone can help with the simple but sometimes confusing commands regarding Cron jobs. I would like a cron job to run twice a month on a Saturdat @12am.
2
votes
1answer
123 views

How to make cron perform task every hour during business hours?

I'm trying to make a script run twice every hour during business hours on weekdays, and i have the following in my cron setup: # m h dom mon dow command 8,48 8-17 * ...
2
votes
1answer
229 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 ...
2
votes
1answer
1k 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 ...
1
vote
1answer
24 views

Cron Job Update

I have two files under /etc/cron.d/ named j1 and j2. I make changes to those files, and in a little file the changes are gone and I don't seem to figure out who/what reverts the changes. Is there a ...
1
vote
1answer
184 views

How to configure a cron.d crontab file for root

What's the procedure for installing a cron.d crontab file to be run as root? I have a script I want root to run every 10 minutes, so I installed the file /etc/cron.d/mycron: SHELL=/bin/bash PATH=/...
1
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1answer
642 views

Starting script in screen with cron

I apologise if this has been asked before but I am not sure how to question a search query for this. I am extremely new to linux and I have been learning as I go to solve issues. I am trying to set ...
1
vote
1answer
990 views

How to set up flask server startup?

I have a web-server that is based on flask+tornado combination. It works inside of a virtual environment (set up with python virtualenv). I want the server to launch automatically on start up, from a ...
1
vote
1answer
179 views

Automated git push attempt does not work - authentication issue

I'm trying to automate a very periodic git add/commit/push cycle using a shell script and cron under OS X 10.8.5. The script is as basic as one would expect it to be: cd /my/directory git add . git ...
1
vote
1answer
1k views

How can I set a system wide PATH-variable for cron on Centos 6.4

I'd like to make sure that every user specific crontab has the same PATH-environment. I tried to set the PATH in /etc/crontab but it seems like this config file is not read by crond. Following are ...
1
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1answer
1k 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 ...
1
vote
1answer
552 views

How to edit multiple cpanel user cron jobs at once?

I'm using cat /var/spool/cron/* to view all cron jobs created by all cpanel users. Is it possible to edit its output just like editing via nano and hit save?
1
vote
1answer
114 views

script executing perfectly in terminal but not in cron

I setup a script for to take an mysql db backup everyday on a specific time, so now the cron is running perfectly it executing the script without problem but the problem is db backup file is not ...
1
vote
1answer
442 views

What might cause cron jobs to occasionally not run or complete?

In my crontab, I have set MAILTO and a bunch of cron jobs (5-10 jobs). These cron jobs usually run fine and I get emails for them. Most of these jobs consistently run as expected. Emails and ...
1
vote
1answer
738 views

Need to set cron for random intervals with iMacros

I am trying to learn about cron for iMacros but I don't know where to look. Google was no help. Basically I have script I wrote, a series of commands, like this: Line 1 Line 2 Line 3 etc. What I ...
1
vote
1answer
352 views

Cron not executing jobs

I'm having trouble making cron work. I edit my cron jobs doing sudo crontab -u myuser -e sudo crontab -u myuser -l prompts my cron tables: ##### */1 * * * * /home/myuser/Projects/scripts/cron.sh /...
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1answer
290 views

How can I automate or script daily downloads for any new anti- virus databases, and then have the program scan my drive?

(I know there are much better softwares out there for the Mac so please don't go there! The politics of this company dictate which Anti virus we have to use) Anyway without any further wait: ...
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1answer
337 views

Running git-svn with cron results in garbage in .git

I've setup a git-svn repo with cron to fetch from the svn repo daily. I have a script to do the fetching, and this is what is invoked by cron. Everything is fine with the repo, and the script works ...
0
votes
1answer
12 views

Crontab fails php script as /usr/bin/php but works as /usr/bin/php-cgi

I am working out a problem with crontab where a php script that has no html in it to run as a stand alone script daily tends to fail using /usr/bin/php and works just find as /usr/bin/php-cgi. The ...
0
votes
1answer
23 views

logrotate files older than x hours

What's wrong with this rotate.conf? Goal is to delete only files older than four hours path/to/tokens/*.tkn { nosharedscripts prerotate if test `stat --format=%Y $1` -le $(( `date +%s`...
0
votes
1answer
44 views

php script runs from the browser but not from cron job

I am using Centos 7 as my webserver. When I run script.php from the browser, it works fine and processes all the data in the MySQL table. When I run it using a cron job, it runs forever but will not ...
0
votes
1answer
33 views

How to fix connection loss in VM?

My virtual machine loses the internet connection sometimes on linux and I need to stay connected constantly. So I wrote the following script: #!/bin/bash wget -q --tries=10 --timeout=20 --spider ...
0
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1answer
38 views

how to see the output of a cron/at jobs while it is still running?

The output of a cron or atq job is automatically send by email to the user, when the job is finished. However I am running a time consuming script, and I would like to check that it is running ...
0
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1answer
83 views

Can't use /usr/bin/security to retrieve password from keychain via cron

I can't seem to be able to successfully retrieve passwords from keychain using /usr/bin/security when I run it from my users crontab. Works fine in my terminal. I can also see via the cron mail ...
0
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1answer
62 views

Why doesn't cronjob execute feh command

I build a cronjob to download a new picture from a source every ten minutes and set it as wallpaper using feh. The file is downloaded but the wallpaper doesn't change. Where is the problem? crontab -e ...
0
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1answer
37 views

Backup MySQL, using Screen and Crontab

I'm trying to backup my database's table every day, using mysqldump, screen and crontab. If I run only mysqldump, it dumps correctly, but if I do it trough screen, the output file is blank. Editing ...
0
votes
1answer
129 views

How can logrotate execution result in “service: not found”?

I am trying to understand the output of my logrotate script execution: error: error running shared postrotate script for '/var/log/nginx/*.log ' logrotate_script: 2: logrotate_script: service: not ...
0
votes
1answer
42 views

Read last known value in a Excel data table

I'm working on something but can't figure out a formula and wondered if anyone out there has any suggestions? I'm looking for a formula which will tell me the last status of a job. In the example ...
0
votes
1answer
72 views

Issues running ruby script as cron job

I have a ruby script which i want to run as cron job.It runs perfectly fine when i run through command prompt on a linux machine. But when i run that same script using a cron job it fails. I get ...
0
votes
1answer
270 views

Problems running nmap export to file in linux as a cron job / bash script

I have a very simple bash script that runs nmap and exports the results to an xml file, and the uses scp to upload the file to a server: #!/bin/sh nmap -sn -oX /home/scan.xml 192.168.20.1-255 wait ...
0
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1answer
30 views

Cron file in cron.d isn't running at all, why?

I am unable to run my cron file stored at /etc/cron.d but it wouldn't run for unknown reasons :/ can someone please help? Content of my cron file is as follows: PATH=/usr/local/sbin:/usr/...
0
votes
1answer
86 views

Start Script Even When Mac Sleeps

I wrote a a python script to check the tmperature via API call and then change the color of my Philips Hue Lights regarding temperature and rain. The only problem I'm facing is that the whole thing ...
0
votes
1answer
332 views

Debian - How to get this job in cron.d to run at startup

Using Debian Jessie, I'm having trouble running a one line file I placed in /etc/cron.d The file contains the following line: @reboot myuser /usr/bin/keepass2 /home/myuser/mydb.kdbx -pw:password It ...
0
votes
1answer
317 views

Logrotate not rotating my logs

Running on Ubuntu 14.04, I have the following logrotate config under /etc/logrotate.d/logstash /opt/app/logs/logstash*.log { size 1g create 700 app app rotate 5 } This log ...
0
votes
1answer
187 views

cron jobs are stopped running

I have cron job that run every 5 minutes in my red hat machine. 2,17,32,47 * * * * root /usr/sbin/logrotate -s /var/opt/swms/log/logrotate.status /opt/swms/etc/logrotate.d/syslog After running for ...
0
votes
1answer
39 views

cron job to run for last few days of month (possibly into next)

I'm trying to setup a cron job that will run from the 29th, for 4 days each quarter (Jan/Apr/Jul/Oct). I've setup the following… */10 6-17 29-31 1,4,7,10 1-5 php script.php */10 6-17 1 5 1-5 php ...
0
votes
1answer
65 views

Remove orphaned data without corresponding torrents in the rtorrent's list

I use rtorrent with a plenty of frontends like ruTorrent and Transdroid. Often, when I try to delete both the torrent and data through these frontends, the torrent is removed from the list but the ...
0
votes
1answer
114 views

my cron job was running properly but suddenly it stopped executing and I get entry in cron log file as (CRON) Bad Minute. Please help me out

Here's my cron job 00 02 * * * /usr/bin/wget -q http://alaska/samuel/batch/JOB_daily_attendance.php Here's log entry in cron log file crond[26113]: (CRON) bad minute (/var/spool/cron/roots)
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0answers
160 views

How to run browser in background in Ubuntu

I am using Ubuntu 14.04, and PHP. I have 2 files: test.html - content java to test network update.php - the test file will post result to update database. I need to run and execute an URL address ...
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0answers
21 views

How can I queue a script to run the next time a system is up and connected to the internet?

I'm using mailsend (on a Mac) to send mail from the command line. I'd like to set this up such that I can execute a send command, but if my system is disconnected from the internet, that command is ...
0
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0answers
227 views

cron job monitoring script

greeting of the day!!! please help me a situation, i am trying to develop a script which provides me details which my cron job is commented or stopped which job is running or scheduled. like we ...
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0answers
55 views

Rsync delete issue

I implemented rsync to backup the data from the server to my local machine,and done it regularly by cron. It works fine but yesterday it deletes the files from the folders on my local machine but on ...
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0answers
92 views

How do I launch an hourly version of anacron?

I have a cron job (system update) that fires off every hour. However, I would like it to be reset every time the machine resumes from standby or hibernation. The command is already launched at each ...
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0answers
42 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 ...
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0answers
344 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 http://subdomain.website.com/?sm_command=build&sm_key=...
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40 views

This weird behaviour from cronjob

I have set the crontab like this: */5 0 * * * /www/permitChat.sh and the /www/permitChat.sh is this: # We are setting the name of file # in the variable along with complete path. sFilePath=`date +\...
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0answers
158 views

Will my weekly cron job work?

I'm just getting back into bash scripting and I want my cron job to run every 15 minutes between 9.15 and 10 PM. I've checked the script works, but I don't know if it's the right command: SHELL=/bin/...
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0answers
546 views

How to set cron HOME environment variable?

I am using esmtp to send email as an output of cron job. The SMTP server and credentials configuration are stored under my $HOME/.esmtprc. However it looks like the $HOME env variable is set to '/', ...
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0answers
1k views

Running a bash script at random times using cron job

I need to monitor intrusion on a server at (relatively) random intervals. For that I have set up a cron job to run every hour. I have written three scripts: wrapper script that calls a ...