System Settings/Task Scheduler/uk: Difference between revisions
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KCron — стандартна програма, яка встановлюється разом з робочим середовищем KDE. | KCron — стандартна програма, яка встановлюється разом з робочим середовищем KDE. | ||
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=== Користування === | === Користування === | ||
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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.}} | |||
==== 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 latter | |||
** 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. | |||
=== Підказки === | === Підказки === | ||
Revision as of 18:50, 25 December 2018
Загальні відомості
 KCron — це інструмент для регулярного запуску програм у тлі інших процесів системи. Програма є графічним інтерфейсом до команди cron.
KCron — стандартна програма, яка встановлюється разом з робочим середовищем KDE. |
Користування
Засіб плануванян завдань можна запустити за допомогою програми Системні параметри: . За допомогою відповідної сторінки можна додавати нові завдання або редагувати і вилучати наявні.
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.
- 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 . 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:
- Must consist of letters, digits and underscore ('_') only
- Must start with a latter
- 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.
Підказки
- Програма вносить зміни до файлів з каталогу /etc/cron, у якому можна знайти багато корисних файлів розкладів завдань.
- Щоб переглянути список поточних завдань cron за допомогою командного рядка, віддайте команду
crontab -l
(останньою є мала літера «L»).