Resolve "execution des roles plus flexible"

roles/jitsi-pre-install/handlers/main.yml

@@ -0,0 +1,13 @@
+---
+- name: restart fail2ban
+  systemd:
+    name: fail2ban
+    state: restarted
+    daemon_reload: true
+    enabled: true
+
+- name: restart nftables
+  systemd:
+    name: nftables
+    state: restarted
+    enabled: true