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Setting up scheduled tasks

Article ID: 238

Last updated: 01 Apr, 2011

Important: You must schedule tasks

Some parts of KBPublisher simply will not work if you do not schedule tasks. This includes:

Reports. You will not be able to run reports
Subscription processing. Users will not be notified when items are added or changed
Scheduling. You will not be able to schedule article, news or files
Optimization. Database tables will not be checked/repaired/optimized
Synchronization. Article and file hits will not be synchronized
Administration. Some system jobs will not run.

How do I schedule tasks?

You can configure scheduling through the Unix crontab command, through scheduled tasks in Windows, or through the Control Panel provided by your service provider.

When scheduling tasks for KBPublisher there are several files you must run periodically.

The files to be scheduled are:

admin/cron/freq.php - every 5 minutes
admin/cron/hourly.php - hourly
admin/cron/daily.php - daily, just after midnight
admin/cron/weekly.php - weekly
admin/cron/monthly.php - monthly

1. By 'crontab' on Unix

# every 5 minutes

*/5 * * * * /usr/local/bin/php [KBP_DIRECTORY]/admin/cron/freq.php

# hourly

0 * * * * /usr/local/bin/php [KBP_DIRECTORY]/admin/cron/hourly.php

# daily, after midnight

01 0 * * * /usr/local/bin/php [KBP_DIRECTORY]/admin/cron/daily.php

# weekly

10 0 * * 0 /usr/local/bin/php [KBP_DIRECTORY]/admin/cron/weekly.php

# monthly

20 0 1 * * /usr/local/bin/php [KBP_DIRECTORY]/admin/cron/monthly.php

where /usr/local/bin/php is the path to the PHP interpreter, it could differ on your system (you can get it by running 'which php' on command shell),
and [KBP_DIRECTORY] is the absolute path to your KBPublisher installation directory (e.g. '/home/user_name/www/kb'). Replace it with your value.

If you have error about IonCube loader: "...the ionCube PHP Loader .... to be installed by the site administrator.",
try to set -c option, this option can either specify a directory where to look for php.ini or specify a custom INI file (which does not need to be named php.ini).

*/5 * * * * -c /home/username/www /usr/local/bin/php [KBP_DIRECTORY]/admin/cron/freq.php

# every 5 minutes

*/5 * * * * /usr/bin/curl -s http://example.com/kb/admin/cron/freq.php

# hourly

0 * * * * /usr/bin/curl -s http://example.com/kb/admin/cron/hourly.php

# daily, after midnight

01 0 * * * /usr/bin/curl -s http://example.com/kb/admin/cron/daily.php

# weekly

10 0 * * 0 /usr/bin/curl -s http://example.com/kb/admin/cron/weekly.php

# monthly

20 0 1 * * /usr/bin/curl -s http://example.com/kb/admin/cron/monthly.php

You can insert these crontab records by executing 'crontab -e' and editing cron jobs manually, or you can create a file (kbp_cron.txt) containing these lines and execute 'crontab kbp_cron.txt' from shell (WARNING: all existing records in crontab will be removed!).

2. By 'Scheduled Tasks' on Windows

Instead of cron on Windows you can use Scheduled Tasks. Contact your system administrator or hosting provider for additional details.
To set up Scheduled Tasks on Windows XP, Vista and 7, as well as Windows 2003 Server and later, you can use schtasks.exe. Open command line and type in following commands:

schtasks /create /ru "System" /sc minute /mo 5 /st 00:00:00 /tn "KBPublisher freq task" /tr "[PHP_DIR]\php.exe [KBP_DIRECTORY]\admin\cron\freq.php"

schtasks /create /ru "System" /sc hourly /st 00:00:00 /tn "KBPublisher hourly task" /tr "[PHP_DIR]\php.exe [KBP_DIRECTORY]\admin\cron\hourly.php"

schtasks /create /ru "System" /sc daily /st 00:01:00 /tn "KBPublisher daily task" /tr "[PHP_DIR]\php.exe [KBP_DIRECTORY]\admin\cron\daily.php"

schtasks /create /ru "System" /sc weekly /st 00:10:00 /d SUN /tn "KBPublisher weekly task" /tr "[PHP_DIR]\php.exe [KBP_DIRECTORY]\admin\cron\weekly.php"

schtasks /create /ru "System" /sc monthly /st 00:20:00 /tn "KBPublisher monthly task" /tr "[PHP_DIR]\php.exe [KBP_DIRECTORY]\admin\cron\monthly.php"

Where: [PHP_DIR] - full path to php.exe, [KBP_DIRECTORY] - full path to KBPublisher directory. Replace it with your values

Example: schtasks /create /ru "System" /sc minute /mo 5 /st 00:00:00 /tn "KBPublisher freq task" /tr "C:\php\php.exe C:\www\kbpublisher\admin\cron\freq.php"

3. By Control Panel

This depends very much on your hosting provider. You should consult their documentation.

Notes:

admin/cron/freq.php should be run every 5 minutes
admin/cron/daily.php should be run just after midnight.

----------------------------------------------------------------------
This functionality works in version 3.5 and above

Article ID: 238

Last updated: 01 Apr, 2011

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