System Settings/Task Scheduler/ru: Difference between revisions

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=== Основная информация ===
== General Information ==
{|class="tablecenter vertical-centered"
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:Preferences-system.png|48px]] KCron - инструмент для регулярного выполнения приложений в фоне. Это графический интерфейс к команде Cron.
[[Image:Kcron-screenshot-de.png|thumb|300px|center|Task Scheduler in Plasma 5]]
KCron стандартный инструмент, поставляемый внутри в рабочей среды KDE.
|}


=== Использование ===
== Usage ==


Task Scheduler can be started by starting the '''System Settings''' application.
Task Scheduler can be started by starting the '''System Settings''' application.
Select <menuchoice>Startup and Shutdown</menuchoice> follwed by <menuchoice>Task Scheduler</menuchoice>.
Select <menuchoice>Startup and Shutdown</menuchoice> follwed by <menuchoice>Task Scheduler</menuchoice>.


==== 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 "New Task..." to add a new task, or "Modify" to modify an existing task. The '''Add or modify existing task''' page will be displayed.
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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 Run Now to run a task immediately after adding or modifying the task.}}
{{Tip|Click Run Now to run a task immediately after adding or modifying the task.}}
==== Removing a 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.
To completely remove a task, select the task from the list and click the '''Delete''' button. This will permanently remove the task.


=== Environment Variables ===
== 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.
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:
* Enter the name of the variable to use. This name:
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* Enter a brief description of the variable.
* Enter a brief description of the variable.


=== Подсказки ===
== Hints ==


* Все модифицированные файлы расположены в папке /etc/cron, где находятся многочисленные файлы в которых придётся посмотреть.
* Все модифицированные файлы расположены в папке /etc/cron, где находятся многочисленные файлы в которых придётся посмотреть.
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* Инструмент командной строки, позволяющий посмотреть на текущее установленное задание Cron, является {{Input|1=crontab -l}} (это буква L).
* Инструмент командной строки, позволяющий посмотреть на текущее установленное задание Cron, является {{Input|1=crontab -l}} (это буква L).


[[Category:Система/ru]]
==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:Desktop]]
[[Category:System]]
[[Category:Configuration]]

Revision as of 06:50, 26 December 2018

Other languages:

General Information

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

Usage

Task Scheduler can be started by starting the System Settings application. Select Startup and Shutdown follwed by Task Scheduler.

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.

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

Hints

  • Все модифицированные файлы расположены в папке /etc/cron, где находятся многочисленные файлы в которых придётся посмотреть.
  • Инструмент командной строки, позволяющий посмотреть на текущее установленное задание Cron, является 
    crontab -l
    (это буква L).

More Information

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