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

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Incron Job is not being executed

I am using incron to monitor one of my file in /var/www/html directory. output of incrontab -l /var/www/html/test IN_ACCESS /home/intel/test.sh This job is supposed to create a file in home ...
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3answers
2k views

FTP from bash script running from cron not working

I have a script that is run by cron to create backup of a MySQL database and some files. After creating a tar ball and encrypting it with openSSH I have to put it on a remote ftp server. Following is ...
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0answers
17 views

which mail program will be used in crontab?

Platform: Ubuntu 12.04 LTS User: root Desc: If there is any output to stdout/stderr in execution, crontab will collect them and mail to correspond owner. In my case, it is 'root'. When I look at ...
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4answers
8k views

Timezone issue with cron

My cron jobs are computed one hour later compared to server time. I don't understand what is going on. My configuration is the following : Server time : Europe/Paris In /etc/default/cron I added ...
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1answer
36 views

How can I make cron to email report audit only if there is something to report?

I setup daily cron job checking if files have changed previous day, since those files are not suppose to changed i'm getting empty report, how can i change it to send email prevent this. this is my ...
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2answers
3k views

How to auto commit to my git repository using cron?

I look into a lot of answers about this subject, but something is wrong here, let me explain. I create this script, to make my cron cleaner :) #!/bin/bash cd ...
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2answers
1k views

Debian cron.daily messages

Every week, I seem to be getting the following two Cron messages: /etc/cron.daily/logrotate: gzip: stdin: file size changed while zipping /etc/cron.daily/spamassassin: channel: no ...
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0answers
48 views

Unable to run script, which emails me results, as super user. (returns: send-mail: 550 5.1.0 Not our Customer)

I have been trying to debug this for 2 days now, without success. This is the script I'm trying to run: #!/bin/bash emailaddress='my_username@gmail.com' output=`sudo rsync -av --delete ...
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3answers
7k views

How to set cron PATH globally (i.e. for all users) permanently?

We need to have /usr/local/bin in cron's path for all users. Is there a way to set it system-wide, without needing to edit each individual user's crontab? We've tried adding PATH to /etc/crontab: # ...
3
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1answer
2k views

Two parts: linux startup script to connect to bluetooth and cron to keep it connected

I have a mini bluetooth keyboard and a Raspberry Pi running a Debian-based distro. I know the MAC address of the keyboard but for this question, let's just use AA:BB:CC:DD:EE:FF. Right now I have to ...
0
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1answer
35 views

Regex for cron pattern not working

Tried to create a (simplified) regex for cron patterns for myself and came up with the following one: ^(((\d+(,\d+)*)|(\d+-\d+)|(\*(\/\d+)?))(\s+(\d+(,\d+)*)|(\d+-\d+)|(\*(\/\d+)?)){4})$ This is ...
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0answers
19 views

How to backup DD-WRT router settings periodically?

Simple question from a Linux beginner, how do I backup my DD-WRT router's settings, for example, weekly or monthly? Router is a TP Link WR1043ND. I'm not sure what other details are required from ...
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0answers
18 views

Sample cron job run but gave errors

I have sample script that backup my site. www folder and database. When is running It's get this error tar: unrecognized option `--transform' Try `tar --help' or `tar --usage' for more information. ...
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0answers
18 views

CRON @reboot vncserver?

Is there any reason per-user cronjobs running vncserver @reboot wouldn't run? When I reboot the machine and look into /var/log/syslog, I see the jobs being run, then cron saying (CRON) info (No MTA ...
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2answers
78 views

Cron Job not running in Ubuntu 12.04

I created a cron job in my console in Ubuntu 12.04) by using crontab -e: 10 09 * * * /home/ram-pc/Desktop/bala/personal/dump.sh But it is not running. When I save it is installed correctly without ...
0
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1answer
156 views

Getting fcron and RVM work together

I'm trying to make RVM and fcron work together. Apparently fcron does not read directly or indirectly any sort of env variables. Which makes RVM futile and scripts fail. I have this script which ...
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0answers
12 views

Logrotate not rotating on file size

According to the man page "Normally, logrotate is run as a daily cron job. It will not modify a log multiple times in one day unless the criterium for that log is based on the log’s size". So, ...
3
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2answers
5k views

BASH - merge directories when using mv

I just started using BASH, so I can move all contents of a directory to another. But the issue is, I was expecting it to merge the directories. I am using cron job to run this script. #!/bin/bash ...
4
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2answers
123 views

Behavior of rsync with file that's still being written?

If Apache is in the middle of writing a large file and an rsync cron job runs on that file, does rsync attempt to copy the file? Example Apache-1: Has file large being written to /var/www. ...
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0answers
16 views

Trying to find dbus session, doesent work

Trying to use notify-send with cron, it needs dbus, what im i doing wrong? var= $(set | grep '^DBUS_SESSION_BUS_ADDRESS=') export DBUS_SESSION_BUS_ADDRESS=$var #!/bin/sh { ...
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2answers
14 views

Install cron from console

Is there any way to do the crontab -e, save and exit from vim from the console directly? I realised that in order to make cron work with Docker, I should do crontab -e and save and exit, that is the ...
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1answer
86 views

Daily crontab with hg, git and svn

Hello I have made a script that updates some repos from git merc and svn, then updates a git repo. The script works manually but doesn't work in crontab, here is the script: #!/bin/bash cd ...
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2answers
355 views

Fail cronjob with /usr/bin/env

I have a script that works perfectly if I execute it from the command line manually. However, when it runs via cron, the job fails with the following error: /usr/bin/env: escript: No such file or ...
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3answers
3k views

“/usr/bin/env bash” is not found when running from a cron script

I have this in my crontab: PATH=/usr/bin:/usr/local/bin:$PATH */1 * * * * /usr/bin/env bash > ~/cron.log 2>&1 The ouput in cron.log is the following: /usr/bin/env bash: No such file or ...
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42 views

Maintain screen session when executing shell script on boot

Solved: I solved this problem by introducing a delay before executing the script: @reboot sleep 60; /root/start_server.sh On Ubuntu 14.04, I have a crontab entry set to run on reboot: @reboot ...
0
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1answer
115 views

Cron won't run my root script

I am on Ubuntu 14.04 (using Digital Ocean) trying run a script as root. It's a script to check if a server is running and restart if it has crashed. The issue isn't the script, but crontab won't run ...
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0answers
27 views

Delete messages in Gmail “All”, “Incoming” or “Sent” folder

I use one Gmail account only for mail relaying from my home server to different accounts, to multiple users. The problem is that there are some thousands of emails on this account in the "Sent" and ...
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0answers
41 views

Not able to open crontab -l

I am running crontab -l to view the crons on a RHEL server(v5.10) and getting the below error: crontab: error while loading shared libraries: libaudit.so.1: cannot open shared object file: No such ...
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0answers
27 views

How do I launch a gui app from a script called in cron in Linux?

I understand that cron doesn't like launching apps that have a gui. I am trying to google around this, and I found that it is possible, but I need to tell cron which display to launch it in. Well, I ...
0
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1answer
36 views

Where is the default directory of saved files using wget in crontab?

I want to download some files using wget command in crontab. I use a text file to make a list of my desired urls. wget's -O parameter works well for setting a destination folder for single files, but ...
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2answers
230 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) > ...
3
votes
4answers
2k views

rm failing inside cron script

I have a cron job calling a bash script which runs fine, except for one line inside it that is suppose to remove all fines in a directory. The result of this line is always 'no such file or directory' ...
0
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1answer
57 views

cronjob not uploading to FTP

i have a php script that should take a file from one web server and upload it on another, when i run the script through a browser it works fine. when i use this cronjob it doesn't upload. 51 14 * * * ...
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0answers
18 views

Emails from root while working with Horton Sandbox

I recently installed the VM for Horton Sandbox (CentOS 64) and I consistently get the notification: You have new mail in /var/spool/mail/root and when I go there I see notices of the form: 22 ...
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0answers
110 views

Correct crontab settings on Cpanel/WHM Cron on CentOS 6.5

I have recently migrated from collocation to Amazon EC2 and setup new WHM installs with CentOS 6.5 I then used the Transfer tool to move all websites to the new server, however I am trying to transfer ...
0
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1answer
21 views

install crontab every 10 minutes

I'm following the tutorial here on how to install a crontab every 10 minutes, but I'm running into an issue. My Cron is */10 * * * * /app/qa/dashboard/ec2/autoscaling-onesearch/manage check But ...
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6answers
47k views

How to stop a currently running cron job?

How can I stop a cron job which is currently running?
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2answers
87 views

SSH: Dismiss read mail messages from Cron

Whenever I ssh to my server box, I get 'You have mail' along with banner message. Then I type mail, and go through msgs, by hitting enter, until At EOF shows up, and when I do quit or ctrl+d, and ...
4
votes
2answers
2k views

Multiple crontabs for one user

is there a way to use multiple crontab files for one user? Thinking something along the lines of crontab file per project instead of crontab per user... Any help is appreciated...
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2answers
97 views

Restarting process in CentOS if server restarts

I have a VPS with some Java applications (made with "Play Framework") running on ports 9000, 9001, 9002 and 9003. VPS Provider (iPage) happens to reboot servers unexpectedly from time to time, leaving ...
0
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1answer
36 views

Cronjob etiquette?

I am a student at a relatively small university. I wrote a script that sends me an email when a math newsletter comes out, so I can get a head-start on the problem of the week. I plan to run it as a ...
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2answers
29 views

Write PID To File On Bash Execution

I'm executing a bash script via cron. I want to write the process id (PID) of the script to a /tmp/ file for reference, in case I need to kill it later on (this script can take 6 - 10 hours to ...
0
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1answer
43 views

Strange timing behaviour

I need to run a CRON each 5 minutes for a specific user example.com, the script executed is a php file. File : /var/spool/cron/crontabs/example.com /5 * * * * /usr/bin/php -f ...
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1answer
91 views

Double pipe “||” not working in cron jobs

fellow SUers, I am trying to run a watchdog cron job to make sure a process is running (DreamHost keeps killing processes). I was inspired by this SU question. However, the double pipe || seems not ...
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2answers
52 views

Synchronized script execution across multiple servers

I'm looking to run an automated task (a shell script) on multiple Ubuntu servers at the same time with as much timing accuracy as possible. Ideally, I'd like the time discrepancy between the start of ...
0
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1answer
54 views

Can't create incron job

I am trying to create incron job, but no success. When I type: incrontab -l I got: no table for vujke and when I type: incrontab -e I got: editor finished with error: No such file or ...
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1answer
570 views

Background Jobs from cron

I am running a cron on every two minutes. From the cron I am running other shell scripts in background with "&". After cron exits spawned shell script process still runs, this is desired behavior. ...
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6answers
5k views

How to change wallpaper from command line in KDE 4.3?

Basically question is in title, but let's elaborate a bit: I have KDE 4.3 from Arch Linux. And a script which periodically downloads new wallpaper. So I'd like to set it as current wallpaper from ...
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vote
2answers
10k views

How to create a cron job to upload files to an FTP server

I would like to create a cron job that uploads files from a directory on my computer to my FTP server. I would like it to do it daily at midnight. I know pretty much nothing about cron, so I ...