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Cron jobs are fine to be executed every 5 minutes - added comment about automatic setting of cron mode

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Signed-off-by: Morris Jobke <hey@morrisjobke.de>
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Morris Jobke
2018-11-30 16:29:33 +01:00
parent a6410160f1
commit a44bfe69d6
1 changed files with 8 additions and 8 deletions
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16
admin_manual/configuration_server/background_jobs_configuration.rst
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@@ -12,7 +12,7 @@ shell-based scripts that are scheduled to run periodically at fixed times,
dates, or intervals. ``cron.php`` is an Nextcloud internal process that runs
such background jobs on demand.
Nextcloud plug-in applications register actions with ``cron.php`` automatically
Nextcloud apps register actions with ``cron.php`` automatically
to take care of typical housekeeping operations, such as garbage collecting of
temporary files or checking for newly updated files using ``filescan()`` for
externally mounted file systems.
@@ -64,17 +64,17 @@ Using the operating system cron feature is the preferred method for executing
regular tasks. This method enables the execution of scheduled jobs without the
inherent limitations the Web server might have.
To run a cron job on a \*nix system, every 15 minutes, under the default Web
To run a cron job on a \*nix system, every 5 minutes, under the default Web
server user (often, ``www-data`` or ``wwwrun``), you must set up the following
cron job to call the **cron.php** script::
# crontab -u www-data -e
*/15 * * * * php -f /var/www/nextcloud/cron.php
*/5 * * * * php -f /var/www/nextcloud/cron.php
You can verify if the cron job has been added and scheduled by executing::
# crontab -u www-data -l
*/15 * * * * php -f /var/www/nextcloud/cron.php
*/5 * * * * php -f /var/www/nextcloud/cron.php
.. note:: You have to replace the path ``/var/www/nextcloud/cron.php`` with the
path to your current Nextcloud installation.
@@ -109,21 +109,21 @@ Replace the user ``www-data`` with the user of your http server and ``/var/www/n
**nextcloudcron.timer** should look like this::
[Unit]
Description=Run Nextcloud cron.php every 15 minutes
Description=Run Nextcloud cron.php every 5 minutes
[Timer]
OnBootSec=5min
OnUnitActiveSec=15min
OnUnitActiveSec=5min
Unit=nextcloudcron.service
[Install]
WantedBy=timers.target
The important parts in the timer-unit are ``OnBootSec`` and ``OnUnitActiveSec``.``OnBootSec`` will start the timer 5 minutes after boot, otherwise you would have to start it manually after every boot. ``OnUnitActiveSec`` will set a 15 minute timer after the service-unit was last activated.
The important parts in the timer-unit are ``OnBootSec`` and ``OnUnitActiveSec``.``OnBootSec`` will start the timer 5 minutes after boot, otherwise you would have to start it manually after every boot. ``OnUnitActiveSec`` will set a 5 minute timer after the service-unit was last activated.
Now all that is left is to start and enable the timer by running these commands::
systemctl start nextcloudcron.timer
systemctl enable nextcloudcron.timer
.. note:: Select the option ``Cron`` in the admin menu for background jobs. if left on ``AJAX`` it would execute the AJAX job on every page load.
.. note:: Selecting the option ``Cron`` in the admin menu for background jobs is not mandatory, because once `cron.php` is executed from the command line or cron service it will set it automatically to ``Cron``.g