diff --git a/src/.env.example b/src/.env.example
index e470d84..2222fc1 100644
--- a/src/.env.example
+++ b/src/.env.example
@@ -38,8 +38,12 @@ SESSION_DOMAIN=null
 BROADCAST_CONNECTION=log
 FILESYSTEM_DISK=local
 QUEUE_CONNECTION=redis
+# En production sans Redis (VPS Ansible) : database
+# QUEUE_CONNECTION=database
 
 CACHE_STORE=redis
+# En production sans Redis (VPS Ansible) : database
+# CACHE_STORE=database
 # CACHE_PREFIX=
 
 MEMCACHED_HOST=127.0.0.1
diff --git a/src/routes/console.php b/src/routes/console.php
index dc2570b..40e954a 100644
--- a/src/routes/console.php
+++ b/src/routes/console.php
@@ -11,6 +11,17 @@ Artisan::command('inspire', function () {
     $this->comment(Inspiring::quote());
 })->purpose('Display an inspiring quote');
 
-Schedule::job(new CheckNoShowBookings)->everyFiveMinutes();
-Schedule::job(new RefreshOfflineMachines)->everyFiveMinutes();
-Schedule::job(new GenerateDailyStats)->dailyAt('01:00');
+Schedule::job(new CheckNoShowBookings)
+    ->everyFiveMinutes()
+    ->withoutOverlapping()
+    ->onOneServer();
+
+Schedule::job(new RefreshOfflineMachines)
+    ->everyFiveMinutes()
+    ->withoutOverlapping()
+    ->onOneServer();
+
+Schedule::job(new GenerateDailyStats)
+    ->dailyAt('01:00')
+    ->withoutOverlapping()
+    ->onOneServer();