Managing Cron jobs - Revision history

Bert at 12:25, 1 November 2020

2020-11-01T12:25:48Z

← Older revision		Revision as of 14:25, 1 November 2020
Line 7:		Line 7:
	* <code>crontab -r</code>: Remove all cron jobs for the current user (Use the -i option to prompt before deleting)		* <code>crontab -r</code>: Remove all cron jobs for the current user (Use the -i option to prompt before deleting)

	=Editing The Crontab=		===Editing The Crontab===
	Perform these steps to edit the crontab.		Perform these steps to edit the crontab.
	* Execute the <code>crontab -e</code> command		* Execute the <code>crontab -e</code> command

Bert at 15:22, 28 August 2019

2019-08-28T15:22:49Z

← Older revision		Revision as of 17:22, 28 August 2019
Line 42:		Line 42:
	This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.		This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.
	* Finally, save and exit the file and you're good to go!		* Finally, save and exit the file and you're good to go!

			[[Category:Shell]]

Yoa: /* Real-life Example: Scheduling Drush Updates */

2017-02-27T23:19:18Z

Real-life Example: Scheduling Drush Updates

← Older revision		Revision as of 01:19, 28 February 2017
Line 38:		Line 38:
	* First, run the <code>crontab -e</code> command. More info can be found in the previous section.		* First, run the <code>crontab -e</code> command. More info can be found in the previous section.
	* Next, add the following line to the file:		* Next, add the following line to the file:
	<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update ~~http://your.website.url~~</code>		<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update</code>

	This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update ~~-l http://your.website.url~~</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.		This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.
	* Finally, save and exit the file and you're good to go!		* Finally, save and exit the file and you're good to go!

Yoa: /* Practical Example: Scheduling Drush Updates */

2017-02-27T23:12:38Z

Practical Example: Scheduling Drush Updates

← Older revision		Revision as of 01:12, 28 February 2017
Line 34:		Line 34:
	will run <code>somecommand</code> every month the 15th day '''or''' if the day is a Sunday, at 1 past midnight (00:01).		will run <code>somecommand</code> every month the 15th day '''or''' if the day is a Sunday, at 1 past midnight (00:01).

	==~~Practical~~ Example: Scheduling Drush Updates==		==Real-life Example: Scheduling Drush Updates==
	Drush and Cron can be used to update Drupal automatically.		Drush and Cron can be used to update Drupal automatically.
	* First, run the <code>crontab -e</code> command. More info can be found in the previous section.		* First, run the <code>crontab -e</code> command. More info can be found in the previous section.
	* Next, add the following line to the file:		* Next, add the following line to the file:
	<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update -l http://your.website.url</code>		<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update http://your.website.url</code>

	This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update -l http://your.website.url</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.		This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update -l http://your.website.url</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.
	* Finally, save and exit the file and you're good to go!		* Finally, save and exit the file and you're good to go!

Yoa: /* Editing The Crontab */

2017-02-27T23:09:57Z

Editing The Crontab

← Older revision		Revision as of 01:09, 28 February 2017
Line 10:		Line 10:
	Perform these steps to edit the crontab.		Perform these steps to edit the crontab.
	* Execute the <code>crontab -e</code> command		* Execute the <code>crontab -e</code> command
	* If this is the first time editing the crontab, a prompt will appear asking you to specify your text editor. ~~It is recommended~~ to ~~use~~ <code>nano</code>.		* If this is the first time editing the crontab, a prompt will appear asking you to specify your text editor. If you don't know what to reply, we suggest you choose <code>nano</code>.
	* If everything is performed correctly, a file should appear.		* If everything is performed correctly, a file should appear.
	* You can edit this file. (Remember that everything after # is a comment)		* You can edit this file. (Remember that everything after # is a comment)

Yoa: /* Editing The Crontab */

2017-02-27T23:09:09Z

Editing The Crontab

← Older revision		Revision as of 01:09, 28 February 2017
Line 9:		Line 9:
	=Editing The Crontab=		=Editing The Crontab=
	Perform these steps to edit the crontab.		Perform these steps to edit the crontab.
	* Execute the <code>crontab -e</code>		* Execute the <code>crontab -e</code> command
	* If this is the first time editing the crontab, a prompt will appear asking you to specify your text editor. It is recommended to use <code>nano</code>.		* If this is the first time editing the crontab, a prompt will appear asking you to specify your text editor. It is recommended to use <code>nano</code>.
	* If everything is performed correctly, a file should appear.		* If everything is performed correctly, a file should appear.

Yoa: /* The Crontab Command */

2017-02-27T23:08:10Z

The Crontab Command

← Older revision		Revision as of 01:08, 28 February 2017
Line 6:		Line 6:
	* <code>crontab -l</code>: List the cron jobs for the current user		* <code>crontab -l</code>: List the cron jobs for the current user
	* <code>crontab -r</code>: Remove all cron jobs for the current user (Use the -i option to prompt before deleting)		* <code>crontab -r</code>: Remove all cron jobs for the current user (Use the -i option to prompt before deleting)

	~~Additionally, the <code>-u</code> parameter can be used to specify a user.~~

	=Editing The Crontab=		=Editing The Crontab=

Yoa: /* Practical Example: Scheduling Drush Updates */

2017-02-27T23:06:45Z

Practical Example: Scheduling Drush Updates

← Older revision		Revision as of 01:06, 28 February 2017
Line 42:		Line 42:
	<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update -l http://your.website.url</code>		<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update -l http://your.website.url</code>

	This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update -l http://your.website.url</code> command, updating Drupal, every day, at midnight. The <code>&&</code> ~~denotes~~ a new command follows.		This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update -l http://your.website.url</code> command, updating Drupal, every day, at midnight. The <code>&&</code> indicates a new command follows.
	* Finally, save and exit the file and you're good to go!		* Finally, save and exit the file and you're good to go!

Yoa at 23:06, 27 February 2017

2017-02-27T23:06:17Z

← Older revision		Revision as of 01:06, 28 February 2017
Line 1:		Line 1:
	Cron is a job scheduler, a utility that can be used to execute shell commands at specific points in time. These jobs are also called Cron jobs, and can be edited using the ~~Crontab~~ command.		Cron is a job scheduler, a utility that can be used to execute shell commands at specific points in time. These jobs are also called Cron jobs, and can be edited using the crontab command.

	==The Crontab Command==		==The Crontab Command==
	To edit the cron table (crontab) file, you will use the ~~Crontab~~ command. The ~~Crontab~~ command has a few options:		To edit the cron table (crontab) file, you will use the crontab command. The crontab command has a few options:
	* <code>crontab -e</code>: Edit the crontab for the current user		* <code>crontab -e</code>: Edit the crontab for the current user
	* <code>crontab -l</code>: List the cron jobs for the current user		* <code>crontab -l</code>: List the cron jobs for the current user
Line 28:		Line 28:
	* * * * * command to execute		* * * * * command to execute

			You can use an asterisk (*) if a field does not matter.
	For example:		For example:
	<code>0 * * * * python somescript.py</code>		<code>0 * * * * python somescript.py</code>
Line 33:		Line 34:

	<code>1 0 15 * 0 somecommand</code>		<code>1 0 15 * 0 somecommand</code>
	will run <code>somecommand</code> every month the 15th day '''or if the day is a ~~sunday'''~~, at 1 past midnight (00:01).		will run <code>somecommand</code> every month the 15th day '''or''' if the day is a Sunday, at 1 past midnight (00:01).

	==Practical Example: Scheduling Drush Updates==		==Practical Example: Scheduling Drush Updates==
Line 39:		Line 40:
	* First, run the <code>crontab -e</code> command. More info can be found in the previous section.		* First, run the <code>crontab -e</code> command. More info can be found in the previous section.
	* Next, add the following line to the file:		* Next, add the following line to the file:
	<code>0 0 * * * drush pm-update http://your.website.url</code>		<code>0 0 * * * cd /path/to/your/drupal/folder/ && drush pm-update -l http://your.website.url</code>

	This will execute the <code>drush pm-update http://your.website.url</code> command every day, at midnight. ~~You can use the~~ <code>-l</code> ~~parameter for multi-site installs: <code>drush pm-update -l http://your.website~~.~~url</code>~~		This will execute the <code>cd /path/to/your/drupal/folder/</code> command, changing the current directory to your drupal folder, and the <code>drush pm-update -l http://your.website.url</code> command, updating Drupal, every day, at midnight. The <code>&&</code> denotes a new command follows.
	* Finally, save and exit the file and you're good to go!		* Finally, save and exit the file and you're good to go!

Yoa at 22:33, 27 February 2017

2017-02-27T22:33:15Z

← Older revision		Revision as of 00:33, 28 February 2017
Line 1:		Line 1:
	Cron is a job scheduler, a utility that can be used to execute shell commands at specific points in time. These jobs are also called Cron jobs, and can be edited using the Crontab command.		Cron is a job scheduler, a utility that can be used to execute shell commands at specific points in time. These jobs are also called Cron jobs, and can be edited using the Crontab command.

	=The Crontab Command=		==The Crontab Command==
	To edit the cron table (crontab) file, you will use the Crontab command. The Crontab command has a few options:		To edit the cron table (crontab) file, you will use the Crontab command. The Crontab command has a few options:
	* <code>crontab -e</code>: Edit the crontab for the current user		* <code>crontab -e</code>: Edit the crontab for the current user
Line 9:		Line 9:
	Additionally, the <code>-u</code> parameter can be used to specify a user.		Additionally, the <code>-u</code> parameter can be used to specify a user.

	==Editing The Crontab==		=Editing The Crontab=
	Perform these steps to edit the crontab.		Perform these steps to edit the crontab.
	* Execute the <code>crontab -e</code>		* Execute the <code>crontab -e</code>
Line 35:		Line 35:
	will run <code>somecommand</code> every month the 15th day '''or if the day is a sunday''', at 1 past midnight (00:01).		will run <code>somecommand</code> every month the 15th day '''or if the day is a sunday''', at 1 past midnight (00:01).

	=Practical Example: Scheduling Drush Updates=		==Practical Example: Scheduling Drush Updates==
	Drush and Cron can be used to update Drupal automatically.		Drush and Cron can be used to update Drupal automatically.
	* First, run the <code>crontab -e</code> command. More info can be found in the previous section.		* First, run the <code>crontab -e</code> command. More info can be found in the previous section.