System Settings/Task Scheduler/es: Difference between revisions

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[[Image:Kcron-screenshot-de.png|thumb|300px|center|The Task Scheduler in Plasma 5]]
Task Scheduler is a graphical front end to the standard "cron" utility. With it, commands (or "tasks") can be run at specific times, on a certain day or date, or at specific intervals (time between execution).
 
[[Image:Kcron-screenshot-de.png|thumb|300px|center|Task Scheduler in Plasma 5]]


=== Uso ===
=== Uso ===


Task Scheduler can be started by starting the '''System Settings''' application, and selecting <menuchoice>Startup and Shutdown -> Task Scheduler</menuchoice>.
En{{KDE4}}
New tasks can be added and existing tasks edited or removed.
En 4.4 '''KCron''' es un módulo que puede ser encontrado en <menuchoice>Preferencias del sistema -> Avanzado -> sección Sistema -> Planificador de tareas</menuchoice>.  Si no aparece, por favor comprueba si tienes instalado el paquete '''kdeadmin'''.  En KDE 4.5 lo encontrarás en <menuchoice>Preferencias del sistema -> sección Administración del sistema -> Planificador de tareas</menuchoice>. Algunas distribuciones tienen a '''KCron''' en un paquete separado, por lo que si no es visible deberías buscarlo en tus repositorios.


==== Adding and Modifying tasks ====
=== Adding and Modifying tasks ===


* Click "New Task..." to add a new task, or "Modify" to modify an existing task. The '''Add or modify existing task''' page will be displayed.
* Click <menuchoice>New Task...</menuchoice> to add a new task, or "Modify" to modify an existing task. The '''Add or modify existing task''' page will be displayed.


[[Image:kcron-task-dialog.png|thumb|300px|center|The "Add or modify task" page of SystemSettings]]
[[Image:kcron-task-dialog.png|thumb|300px|center|The "Add or modify task" page of SystemSettings]]
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* When done, click <menuchoice>OK</menuchoice>. The task will be added and scheduled if enabled.
* When done, click <menuchoice>OK</menuchoice>. The task will be added and scheduled if enabled.
{{Tip|Click <menuchoice>Run Now</menuchoice> to run a task immediately after adding or modifying the task.}}
=== Removing a task ===
To completely remove a task, select the task from the list and click the '''Delete''' button. This will permanently remove the task.
== Environment Variables ==
Sometimes a task or multiple tasks need a specific variable set, it must be added in the '''Environment Variables''' section. The '''cron''' utility uses its own environment, system-wide and user-specific variables are not used. Click '''New Variable''' to add a new variable definition, or '''Modify''' to change an existing variable.
* Enter the name of the variable to use. This name:
** Must consist of letters, digits, and underscore ('_') only
** Must start with a letter
** Should not be a reserved or commonly used system variable. See https://pubs.opengroup.org/onlinepubs/000095399/basedefs/xbd_chap08.html for more information
* The value the variable will contain. This can be a number or string.
* Enter a brief description of the variable.


=== Sugerencias ===
=== Sugerencias ===
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* La herramienta en línea de comandos que te permite echar un vistazo a los trabajos instalados en cron es {{Input|1=crontab -l}} (es una letra L).
* La herramienta en línea de comandos que te permite echar un vistazo a los trabajos instalados en cron es {{Input|1=crontab -l}} (es una letra L).


[[Category:System]]
==More Information==
 
* [https://docs.kde.org/stable5/en/kdeadmin/kcontrol5/kcron/index.html KDE official documentation]
* [https://en.wikipedia.org/wiki/Cron Cron] (Wikipedia)
* [https://wiki.archlinux.org/index.php/cron Cron] (Arch Linux wiki)
 
[[Category:Sistema/es]]
[[Category:KDE3/es]]

Latest revision as of 08:30, 1 June 2019

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Información general

KCron es una herramienta para ejecutar aplicaciones en segundo plano a intervalos regulares. Es una interfaz gráfica para el comando Cron.

KCron es una aplicación estándar que es preempaquetada con entornos de trabajo de KDE.

Task Scheduler is a graphical front end to the standard "cron" utility. With it, commands (or "tasks") can be run at specific times, on a certain day or date, or at specific intervals (time between execution).

Task Scheduler in Plasma 5

Uso

En En 4.4 KCron es un módulo que puede ser encontrado en Preferencias del sistema -> Avanzado -> sección Sistema -> Planificador de tareas. Si no aparece, por favor comprueba si tienes instalado el paquete kdeadmin. En KDE 4.5 lo encontrarás en Preferencias del sistema -> sección Administración del sistema -> Planificador de tareas. Algunas distribuciones tienen a KCron en un paquete separado, por lo que si no es visible deberías buscarlo en tus repositorios.

Adding and Modifying tasks

  • Click New Task... to add a new task, or "Modify" to modify an existing task. The Add or modify existing task page will be displayed.
The "Add or modify task" page of SystemSettings
  • Enter the command to be run. Click the folder icon to choose it from a dialog.
  • Enter a comment (optional). This should be descriptive, explaining what the task will do as the command may not always be obvious.
  • Click Enable this task to enable the task to run.
  • Click Run at system bootup to enable the script to run each time the system is booted.
  • Click Run every day to enable the script to run every day. This will automatically select the appropriate options.
  • Using the buttons, choose when the command should be run. Not all parameters are required, those not needed may be left blank.
    • Hours and Minutes are the time of day to run the task, not an interval.
  • When done, click OK. The task will be added and scheduled if enabled.

Tip

Click Run Now to run a task immediately after adding or modifying the task.


Removing a task

To completely remove a task, select the task from the list and click the Delete button. This will permanently remove the task.

Environment Variables

Sometimes a task or multiple tasks need a specific variable set, it must be added in the Environment Variables section. The cron utility uses its own environment, system-wide and user-specific variables are not used. Click New Variable to add a new variable definition, or Modify to change an existing variable.

  • The value the variable will contain. This can be a number or string.
  • Enter a brief description of the variable.

Sugerencias

  • Todos los archivos que se modifican se encuentran en el directorio /etc/cron donde hay muchos archivos que mirar.
  • La herramienta en línea de comandos que te permite echar un vistazo a los trabajos instalados en cron es 
    crontab -l
    (es una letra L).

More Information

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