cron-task | 易学教程

Trigger hourly build from scripted Jenkinsfile

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问题 Is there a way to trigger a Jenkins job to run every hour using the Jenkinsfile scripted pipeline syntax? I have seen examples using the declarative syntax, but none using the pipeline syntax. Declarative Syntax Example pipeline { agent any triggers { cron '@daily' } ... } 回答1: You could use this snippet for Scripted pipeline syntax : properties( [ ... , // other properties that you have pipelineTriggers([cron('0 * * * *')]), ] ) Reference for properties is here. You can search for

How to create cron statement to run for multiple hours

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I need a cron statement to run for few hours eg 1-8 then 10-15. In this case will the following statement work, 0 1-8,10-15 * * * If not can anyone help me? Thanks in advance, Gnik You cannot, you can use either multiple values OR a range 0 1,2,3,4,5,6,7,8,10,11,12,13,14,15 * * * Source : Time tags are separated by spaces. Do not use spaces within a tag, this will confuse cron. All five tags must be present. They are a logical AND of each other. There is another space between the last time tag and the first command. A time tag can be a wildcard "*", which means "all". It can be one value,

How to schedule dynamic function with cron job?

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问题 I want to know how I can schedule a dynamic(auto populated data) function to auto run everyday at saved time? Let's say I have a form that once the button is clicked it sends the data to the function, which the posts the data. I simply want to automate that so that I don't have to press the button. <ul> <?php foreach($Class->retrieveData as $data) { <form method="post" action=""> <li> <input type="hidden" name="name">'.$data['name'].'<br/> <input type="hidden" name="description">'.$data[

Scrapy crawler in Cron job

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I want to execute my scrapy crawler from cron job . i create bash file getdata.sh where scrapy project is located with it's spiders #!/bin/bash cd /myfolder/crawlers/ scrapy crawl my_spider_name My crontab looks like this , I want to execute it in every 5 minute */5 * * * * sh /myfolder/crawlers/getdata.sh but it don't works , whats wrong , where is my error ? when I execute my bash file from terminal sh /myfolder/crawlers/getdata.sh it works fine I solved this problem including PATH into bash file #!/bin/bash cd /myfolder/crawlers/ PATH=$PATH:/usr/local/bin export PATH scrapy crawl my_spider

Python Script not running in crontab calling pysaunter

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问题 I have read multiple posts and many articles detailing that scipts in a cron job need to keep the environment variables necessary to run inside the script itself due to the opening of shells within cron. My situation is unique in that my path variables are all being set as discussed, which in turn will successfully call the pysaunter python egg using subprocess.call(), but it seems to break down from there. This causes the whole process to break in a cron job. For clarity, here are the steps

Is it possible to increase the response timeout in Google App Engine?

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问题 On my local machine the script runs fine but in the cloud it 500 all the time. This is a cron task so I don't really mind if it takes 5min... < class 'google.appengine.runtime.DeadlineExceededError' >: Any idea whether it's possible to increase the timeout? Thanks, rui 回答1: You cannot go beyond 30 secs, but you can indirectly increase timeout by employing task queues - and writing task that gradually iterate through your data set and processes it. Each such task run should of course fit into

Scrapy crawler in Cron job

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问题 I want to execute my scrapy crawler from cron job . i create bash file getdata.sh where scrapy project is located with it's spiders #!/bin/bash cd /myfolder/crawlers/ scrapy crawl my_spider_name My crontab looks like this , I want to execute it in every 5 minute */5 * * * * sh /myfolder/crawlers/getdata.sh but it don't works , whats wrong , where is my error ? when I execute my bash file from terminal sh /myfolder/crawlers/getdata.sh it works fine 回答1: I solved this problem including PATH

How to run a cronjob every X minutes?

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I'm running a PHP script in a cronjob and I want to send emails every 5 minutes My current (crontab) cronjob: 10 * * * * /usr/bin/php /mydomain.in/cromail.php > /dev/null 2>&1 The cronmail.php is as follows: <?php $from = 'D'; // sender $subject = 'S'; $message = 'M'; $message = wordwrap($message, 70); mail("myemail@gmail.com", $subject, $message, "From: $from\n"); ?> But I've not received an email in 30 minutes with this configuration. In a crontab file, the fields are: minute of the hour. hour of the day. day of the month. month of the year. day of the week. So: 10 * * * * blah means execute

Append current date to the filename via Cron?

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问题 I've created a Cron task at my webhost to daily backup my database and I would like it to append the current date to the filename. My Cron job looks like this mysqldump -u username -pPassword db_name > www/db_backup/db_backup+date%d%m%y.sql But the file I get is this: db_backup+date no file extension or date. I've also tried this command mysqldump -u username -pPassword db_name > www/db_backup/db_backup_'date +%d%m%y'.sql but that doesn't even give an file output. What is the right syntax for

AWS Lambda Scheduled Tasks

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Amazon announced AWS Lambda ( http://aws.amazon.com/lambda/ ). The product description includes: Scheduled Tasks AWS Lambda functions can be triggered by external event timers, so functions can be run during regularly scheduled maintenance times or non-peak hours. For example, you can trigger an AWS Lambda function to perform nightly archive cleanups during non-busy hours. When I read this, I understood I could finally have a way to consistently do "cron-like" tasks. I want to run a specific query everyday at 5PM let's say. However I do not find this anywhere in the documentation. They only