diff --git a/.gitignore b/.gitignore
index 7205509..2580887 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@
 .cache
 .test-cache
 .vscode
-*.bin
\ No newline at end of file
+*.bin
+app-secret
\ No newline at end of file
diff --git a/src/parallel/app.py b/src/parallel/app.py
index 391ca97..0bf2242 100644
--- a/src/parallel/app.py
+++ b/src/parallel/app.py
@@ -47,6 +47,9 @@ app = Flask(__name__)
 app.config["SECRET_KEY"] = token_urlsafe(40)
 print(f" * Secret: {SECRET}")
 
+with open("app-secret", "w", encoding="utf8") as file:
+    file.write(SECRET)
+
 
 @app.route("/authenticate", methods=["POST"])
 def authenticate():
diff --git a/src/parallel/client.py b/src/parallel/client.py
old mode 100644
new mode 100755
index 5a2de38..6e429b3
--- a/src/parallel/client.py
+++ b/src/parallel/client.py
@@ -15,8 +15,16 @@ import requests
 CACHE = "/tmp/parallel/client_cache"  # Replace with an absolute path
 DELTA = os.path.join(CACHE, "delta_shared.bin")
 RESEAU = os.path.join(CACHE, "reseau_shared.bin")
-SECRET = input("SECRET : ")
-HOST = input("HOST : ")
+
+if len(sys.argv) > 1:
+    HOST = sys.argv[1]
+else:
+    HOST = input("HOST : ")
+
+if len(sys.argv) > 2:
+    SECRET = sys.argv[2]
+else:
+    SECRET = input("SECRET : ")
 
 session = requests.Session()
 os.makedirs(CACHE, exist_ok=True)