diff --git a/observabilite_service/Machine_service/Tuto.txt b/observabilite_service/Machine_service/Tuto.txt
index f801735..36489ee 100644
--- a/observabilite_service/Machine_service/Tuto.txt
+++ b/observabilite_service/Machine_service/Tuto.txt
@@ -37,6 +37,16 @@ curl http://localhost:9117/metrics
 
 2.2 Configurer Promtail pour les logs Apache
 
+cd /opt
+wget https://github.com/grafana/loki/releases/latest/download/promtail-linux-amd64.zip
+unzip promtail-linux-amd64.zip
+sudo mv promtail-linux-amd64 /usr/local/bin/promtail
+sudo chmod +x /usr/local/bin/promtail
+
+Vérifie que Promtail est bien accessible :
+which promtail
+promtail --version
+
 Créer le répertoire de config :
 sudo mkdir -p /etc/promtail
 sudo nano /etc/promtail/promtail-config.yml