diff -up install/install.php.rpm install/install.php

--- install/install.php.rpm	2014-12-17 13:36:22.420558338 +0100

+++ install/install.php	2014-12-17 13:38:45.278209044 +0100

@@ -383,6 +383,10 @@ function step4 ($databasename, $newdatab

       $query = "UPDATE `glpi_users`

                 SET `language` = NULL";

       $DB->queryOrDie($query, "4203");

+

+      // RPM provides a good system cron

+      $query = "UPDATE `glpi_crontasks` SET `mode`=2 WHERE `name`!='watcher' AND (`allowmode` & 2)";

+      $DB->queryOrDie($query, "4203");

    }

    //Check if the port is in url

diff -up install/update.php.rpm install/update.php

--- install/update.php.rpm	2014-12-11 14:16:55.000000000 +0100

+++ install/update.php	2014-12-17 13:36:22.420558338 +0100

@@ -830,6 +830,10 @@ function updateDbUpTo031() {

    $plugin = new Plugin();

    $plugin->unactivateAll();

+   // RPM provides a good system cron

+   $query = "UPDATE `glpi_crontasks` SET `mode`=2 WHERE `name`!='watcher' AND (`allowmode` & 2)";

+   $DB->queryOrDie($query);

+

    DBmysql::optimize_tables($migration);

    return $ret;