I have a CRON expression that will run a given command every 8 hours, beginning at 00:00. This will run a given commend 21 times a week, however, my goal is to skip one of these 21 runs on a weekly basis. What is the proper CRON expression to skip the first run on Sunday each week at 00:00 (in
Tag: cron
Restart Opencanary from Crontab
I have a programm called opencanary running at a virtual environment at my Raspberry Pi with Ubuntu 18.04 installed. I want to restart it every 30 Minutes using crontab. For testing I set the script to run every 3 Minutes as you can see below. When I execute the script manually it’s working fine. When using crontab to run it
crontab doesn’t work after /etc/crontab is configured [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question
Running a python script via crontab does not accept parameters containing %
I have a python script that accepts custom parameters via sys and getopt modules. The cron job looks like: I have narrowed down this problem to the first argument TSX.AP%. This is a parameter that I take to execute a DB query. If I add the wildcard % inside my script, therefore only passing TSX.AP to cron, the crojob works.
Sh script not running using cron while running using terminal manually
I have a script .sh that works when executed manually but not working through cron : There are other .sh which runs perfectly with cron. I don’t know why this one doesn’t work. I compared the env output from the terminal and from cron and both are similar beside the user which has higher privilege in cron using : The
Why does rsync create ~ files?
I run the following daily crontab: It creates these files: Anyone know why it creates these tilde (~) files? Also anyone know a quick way to delete them? Answer Anyone know why it creates these tilde (~) files? That would be because of the -b option you are specifying to rsync. Its purpose is to request exactly that (creation of
Crontab – differences between *, */1 and 0-59/1 [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question
Crontab not able to call mailx used via python subPrrocess
I have a python file (say, mail_it.py) in which I have written a function to send the mails. Code is as below:- When I run this python file directly via unix command: It sends the mail. But when I set this file to run via crontab. I get the following error: Thanks in advance! Answer this is a problem with
How can l start postgresql database using linux crontab?
postgresql database is starting in this way. but when I use linux crontab to start postgresql,it has failed. postgresql is not starting. I want to know why. Thank you! Answer You need to define which PostgreSQL instance to start. Try to add -D “PGDATA”. For example: If your Linux distribution is using systemd and a systemd unit has been defined
Add a job to linux cron list programmatically with Nodejs
I have a job with Nodejs that I want to do it each 30 minutes to scan the Database and Update Products Data in An Ecommerce API with my Nodejs Program, note that the Nodejs Program is serving an REST API (Backend) for a react js web application So I searched for that and I found that I can do