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What Are Cron Jobs?




A cron job is a A linux based command for arranging a control or program on your server to finish recurring projects instantly. Programs implemented as a cron job are generally used to alter details files or databases; however, they are capable of doing other projects that do not change details on the server, like delivering out e-mail notices.

For example, you can set a cron job to remove short-term details files weekly so that your hard drive area is not being used up by needless details files. Some scripts, such as Drupal, may even need you to set up a cron job to execute certain features.

Time Intervals

Cron projects can be a very practical tool as they can be set to run by the moment, time, day of the 7 days, day of the 30 days or any mixture of these. Reprise Hosting boundaries cron projects on Shared web servers to run in amounts of no less than every 15 moments since extreme cron projects can cause needless usage of the server.

What You Should Know Before Using a Cron Job

Warning: It is essential that you understand how cron job perform. You need to have a operating details of A linux system guidelines before you can use cron jobs successfully.

For most cron jobs, there are three elements present:

  •     The script that is to be called or executed
  •     The control that carries out the program on a reccurring basis (typically set in the cPanel)
  •     The activity or outcome of the program (which relies on what the program being known as does)

Most scripts that need the use of a cron job provides you with particular guidelines on what needs to be set up. If you are uncertain, examine your program with your web host manager before including a cron job.

Cron Job Limits

Shared and Reseller

  •     You may NOT run a cron job more often than every 15 moments.
  •     If you are getting errors while using the get control, please get in touch with us to request accessibility.

VPS and Dedicated Server

  •     You may run a cron job as often as you want.
  •     We allow get and wget by default.

For more details on cron projects, use the following resources:

    http://en.wikipedia.org/wiki/Cron (Basic)
    http://www.unixgeeks.org/security/newbie/unix/cron-1.html


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