diff --git a/scripts/change_url b/scripts/change_url
index 4d89301..df385d7 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -110,21 +110,8 @@ fi
 # CONFIGURE JUPYTERLAB
 #=================================================
 
-#ynh_backup_if_checksum_is_different --file="$final_path/config/jupyterhub_config.py"
-
 domain=$new_domain
-path_url=${new_path%/}
-
-# cp -f ../conf/jupyterhub_config.py $final_path/config/jupyterhub_config.py
-# ynh_replace_string --match_string="__URL__" --replace_string="https://$domain" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PATH__" --replace_string="${path_url%/}" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT_HUB__" --replace_string="$port_hub" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT_HTTP_PROXY__" --replace_string="$port_http_proxy" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__FINAL_PATH__" --replace_string="$final_path" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$final_path/config/jupyterhub_config.py"
-
-# ynh_store_file_checksum --file="$final_path/config/jupyterhub_config.py"
+path=${new_path%/}
 
 ynh_add_config --template="../conf/jupyterhub_config.py" --destination="$final_path/config/jupyterhub_config.py"
 
diff --git a/scripts/install b/scripts/install
index 217e0bb..c1dae89 100644
--- a/scripts/install
+++ b/scripts/install
@@ -134,34 +134,12 @@ ynh_add_systemd_config
 
 mkdir -p "$final_path/config"
 
-# JupyterHub configuration
-# cp -f ../conf/jupyterhub_config.py $final_path/config/jupyterhub_config.py
-
-# ynh_replace_string --match_string="__URL__" --replace_string="https://$domain" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PATH__" --replace_string="${path_url%/}" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT_HUB__" --replace_string="$port_hub" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT_HTTP_PROXY__" --replace_string="$port_http_proxy" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__FINAL_PATH__" --replace_string="$final_path" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$final_path/config/jupyterhub_config.py"
+path=${path_url%/}
 
 ynh_add_config --template="../conf/jupyterhub_config.py" --destination="$final_path/config/jupyterhub_config.py"
 
-# Jupyter notebook configuration
-# cp -f ../conf/jupyter_notebook_config.py $final_path/config/jupyter_notebook_config.py
-
-# ynh_replace_string --match_string="__ENABLE_TERMINAL__" --replace_string="$enable_terminal" --target_file="$final_path/config/jupyter_notebook_config.py"
-
 ynh_add_config --template="../conf/jupyter_notebook_config.py" --destination="$final_path/config/jupyter_notebook_config.py"
 
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-
-# Calculate and store the config file checksum into the app settings
-# ynh_store_file_checksum --file="$final_path/config/jupyterhub_config.py"
-# ynh_store_file_checksum --file="$final_path/config/jupyter_notebook_config.py"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index e6e76b8..5dc2da6 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -108,7 +108,7 @@ yunohost service add $app --description="$app daemon" --log="$app"
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=5
 
-ynh_systemd_action --service_name=$app --action="start" --line_match="JupyterHub is now running at" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action=start --line_match="JupyterHub is now running at" --log_path="systemd"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 5cb4491..5633efb 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -132,32 +132,12 @@ fi
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================
 
-#ynh_backup_if_checksum_is_different --file="$final_path/config/jupyterhub_config.py"
-
 mkdir -p "$final_path/config"
 
-# cp -f ../conf/jupyterhub_config.py $final_path/config/jupyterhub_config.py
-# ynh_replace_string --match_string="__URL__" --replace_string="https://$domain" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PATH__" --replace_string="${path_url%/}" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT_HUB__" --replace_string="$port_hub" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__PORT_HTTP_PROXY__" --replace_string="$port_http_proxy" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__FINAL_PATH__" --replace_string="$final_path" --target_file="$final_path/config/jupyterhub_config.py"
-# ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="$final_path/config/jupyterhub_config.py"
-
-# # Recalculate and store the checksum of the file for the next upgrade.
-# ynh_store_file_checksum --file="$final_path/config/jupyterhub_config.py"
+path=${path_url%/}
 
 ynh_add_config --template="../conf/jupyterhub_config.py" --destination="$final_path/config/jupyterhub_config.py"
 
-#ynh_backup_if_checksum_is_different --file="$final_path/config/jupyter_notebook_config.py"
-
-# cp -f ../conf/jupyter_notebook_config.py $final_path/config/jupyter_notebook_config.py
-
-# ynh_replace_string --match_string="__ENABLE_TERMINAL__" --replace_string="$enable_terminal" --target_file="$final_path/config/jupyter_notebook_config.py"
-
-# ynh_store_file_checksum --file="$final_path/config/jupyter_notebook_config.py"
-
 ynh_add_config --template="../conf/jupyter_notebook_config.py" --destination="$final_path/config/jupyter_notebook_config.py"
 
 #=================================================
@@ -191,7 +171,7 @@ yunohost service add $app --description="$app daemon" --log="$app"
 #=================================================
 ynh_script_progression --message="Starting a systemd service..."
 
-ynh_systemd_action --service_name=$app --action="start" --line_match="JupyterHub is now running at" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action=start --line_match="JupyterHub is now running at" --log_path="systemd"
 
 #=================================================
 # RELOAD NGINX