Demo Code
Operation effect (Figure 1)
Operation effect (Figure 2)
Main Package function
Multi_process ();According to the parameters, create the number of pointers to the child process.Bright spot Function 1: The
Scheduled task cron command and cron command
A beginner in linux, because the project needs to learn the linux operating system now.
A scheduled task is required for the project to access a url every hour. You can learn how to use the crontab
Accidentally installed a Redis service, opened a full network of the default port, the first thought that this server does not have public network IP, the results found regret Mo and AH
One day found that the CPU load is unusually high, found a
Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn how to apply Cron scheduled tasks to Thinkphp.
First, let's take a look at the Crontab command, and finally introduce how to apply
Spring Festival, taking advantage of the free time of the holiday, took the time to drum up the tiny6410 Development Board, found this Dongdong dust for a long time, has not been used for a long time. Like the recent Iot boom, Google acquired Nest
1. Linux timing tasks are set in the/etc/crontab file, using commands to view
[python] view plain copy Cat/etc/crontab
In the/etc directory there is a crontab file, where there are some scheduling programs running on the system. Each user can
First, the phenomenon
1. See if a process exists
Ps-ef | Grep-v ' grep ' |grep-e ' Shell/cron/bonus/cash '
www 2624 1 0 Oct24? 00:00:35/usr/local/bin/php/data1/www/htdocs/hb.e.weibo.com/v2/www/htdocs/index.php--uri=shell/cron/bonus/cash-
Three methods for executing periodic tasks (scheduled tasks) IN ruby: ruby periodic
1. Preface
Whether using ruby for system management or using rails for web development, periodic tasks may occur. They are scheduled to take a certain period of time
Transferred from: 82347473
1. CPU 100%, use top to view CPU
2. Delete the CPU or 100% of the process.
3. It is estimated that the process is hidden.
4. One execution task is added to the scheduled task.
5: Open the connection
(1) How do PHP scripts execute regularly under Linux?(2) How do I set up scheduled tasks under Linux?(3) Crontab timed Execution ProgramCore tips:Type crontab-e Edit crontab service fileThere are two scenarios: (there is also a case where you can
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