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How to kill a process in shell script which is running through Cron?
This shell script has to kill a process which is running and start the new process again. When I run the script manually it works perfectly fine, but when it runs through cron it does not kill the old process but starts a new process along with the old one. I am using the below line of code to kill the process:
When to run cron job at specific time stack?
This will execute the Full backup shell script (full-backup) on 10th June 08:30 AM. Please note that the time field uses 24 hours format. So, for 8 AM use 8, and for 8 PM use 20. To know more about cron, visit this website.
Which is an example of a cron job?
Example::Scheduling a Job For a Specific Time. The basic usage of cron is to execute a job in a specific time as shown below. This will execute the Full backup shell script (full-backup) on 10th June 08:30 AM. Please note that the time field uses 24 hours format. So, for 8 AM use 8, and for 8 PM use 20.
What is the purpose of the cron utility?
Cron utility is an effective way to schedule a routine background job at a specific time and/or day on an on-going basis. The basic usage of cron is to execute a job in a specific time as shown below.
What to do if your cron job is not complete?
This includes cases where the the process is killed, server rebooted, etc. While you don’t mention what your cron job is written in, flock is standard in most languages. I’d suggest googling for locks and the language you’re using, as this will be the more robust solution, and not relying upon random timeouts.
Can a cron job kill a PHP script?
The PHP script it is executing is designed to convert videos uploaded to the server by users to a flash format (eg… .flv). The script executes fine when manually doing it via command line, however when executing via cron it starts fine but after one minute it just stops.
Can you run Flock and Cron at the same time?
While you don’t mention what your cron job is written in, flock is standard in most languages. I’d suggest googling for locks and the language you’re using, as this will be the more robust solution, and not relying upon random timeouts. Here are some examples from SO: They will both run at the same time.
What is a cron job and what does it do?
A Cron job is a utility program that operates by scheduling a script or command onto the server. This command is embedded with a scheduled time and date to run automatically without manual implementation.
How do I create a monitor for Cron?
Click the button on your dashboard to create a new monitor and select Cron job monitor. Paste the schedule expression from your cron job into the schedule field: Provide your server’s timezone. A default timezone can be set from the Settings page.
When to use cron to restart an application?
If the application crashes or hangs, cron should be able to restart the application within a certain period of time. Cron is for running scheduled tasks at scheduled intervals, not baby sitting other processes.