diff --git a/scripts/backup b/scripts/backup
index 57d4973..557e38d 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -19,17 +19,17 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
+ynh_print_info --message="Backing up $app..."
 
 app=$YNH_APP_INSTANCE_NAME
 
-final_path=$(ynh_app_setting_get $app final_path)
-config_path=$(ynh_app_setting_get $app config_path)
-domain=$(ynh_app_setting_get $app domain)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+config_path=$(ynh_app_setting_get --app=$app --key=config_path)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
 
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
-ynh_print_info --message="Backing up $app..."
 
 ynh_backup --src_path="$final_path"
 
diff --git a/scripts/change_url b/scripts/change_url
index 5a4817e..30768ab 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -91,7 +91,7 @@ fi
 #=================================================
 ynh_script_progression --message="Starting a systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/install b/scripts/install
index efe74e3..645f535 100644
--- a/scripts/install
+++ b/scripts/install
@@ -36,9 +36,8 @@ ynh_script_progression --message="Validating installation parameters..."
 
 final_path=/var/www/$app
 config_path=/home/yunohost.app/$app/
-test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-ynh_app_setting_set --app="$app" --key="config_path" --value="$config_path"
+test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
 # Normalize the url path syntax
 path_url=$(ynh_normalize_url_path $path_url)
@@ -49,17 +48,6 @@ ynh_webpath_available "$domain" "$path_url"
 # Register (book) web path
 ynh_webpath_register "$app" "$domain" "$path_url"
 
-#=================================================
-# STORE SETTINGS FROM MANIFEST
-#=================================================
-ynh_script_progression --message="Storing installation settings..."
-
-ynh_app_setting_set --app="$app" --key="domain" --value="$domain"
-ynh_app_setting_set --app="$app" --key="path" --value="$path_url"
-ynh_app_setting_set --app="$app" --key="is_public" --value="$is_public"
-
-#=================================================
-# STANDARD MODIFICATIONS
 #=================================================
 # FIND AND OPEN A PORT
 #=================================================
@@ -70,6 +58,17 @@ port=$(ynh_find_port 9000)
 
 ynh_app_setting_set --app="$app" --key="port" --value="$port"
 
+#=================================================
+# STORE SETTINGS FROM MANIFEST
+#=================================================
+ynh_script_progression --message="Storing installation settings..."
+
+ynh_app_setting_set --app="$app" --key="domain"      --value="$domain"
+ynh_app_setting_set --app="$app" --key="path"        --value="$path_url"
+ynh_app_setting_set --app="$app" --key="is_public"   --value="$is_public"
+ynh_app_setting_set --app="$app" --key="final_path"  --value="$final_path"
+ynh_app_setting_set --app="$app" --key="config_path" --value="$config_path"
+
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
@@ -81,18 +80,14 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version="$nodejs_version"
 # Install Yarn
 ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
-#==============================================
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 ynh_script_progression --message="Setting up source files..."
 
-ynh_app_setting_set --app=$app --key=final_path --value=$final_path
+mkdir -p "$final_path"
 
-mkdir -p $final_path
-
-mkdir -p $config_path
+mkdir -p "$config_path"
 
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$final_path"
@@ -106,25 +101,19 @@ ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_f
 
 cp -a ../conf/config.js "$config_path"
 
+ynh_store_file_checksum "$config_path/config.js"
+
 #=================================================
 # INSTALL THE LOUNGE
 #=================================================
 ynh_script_progression --message="Installing The Lounge..."
 
-pushd $final_path
+pushd "$final_path"
 
 yarn install && ynh_exec_warn_less NODE_ENV=production yarn build
 
 popd
 
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Configuring nginx web server..."
-
-# Create a dedicated nginx config
-ynh_add_nginx_config
-
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
@@ -133,6 +122,14 @@ ynh_script_progression --message="Configuring system user..."
 # Create a system user
 ynh_system_user_create "$app"
 
+#=================================================
+# NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Configuring nginx web server..."
+
+# Create a dedicated nginx config
+ynh_add_nginx_config
+
 #=================================================
 # SETUP SYSTEMD
 #=================================================
@@ -145,12 +142,7 @@ ynh_replace_string --match_string="__NODE__"      --replace_string="$nodejs_path
 
 ynh_add_systemd_config
 
-#=================================================
-# STORE THE CHECKSUM OF THE CONFIG FILE
-#=================================================
-
-# Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum "$config_path/config.js"
+yunohost service add "$app" --description "Self-hosted web IRC client" --log "/var/log/$app/$app.log"
 
 #=================================================
 # GENERIC FINALIZATION
@@ -170,19 +162,13 @@ ynh_script_progression --message="Configuring log rotation..."
 # Use logrotate to manage application logfile(s)
 ynh_use_logrotate
 
-#=================================================
-# ADVERTISE SERVICE IN ADMIN PANEL
-#=================================================
-
-yunohost service add "$app" --description "Self-hosted web IRC client" --log "/var/log/$app/$app.log"
-
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # SETUP SSOWAT
@@ -190,11 +176,14 @@ ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$
 ynh_script_progression --message="Configuring SSOwat..."
 
 # Make app public if necessary
-if [ $is_public -eq 1 ]
-then
-	# unprotected_uris allows SSO credentials to be passed anyway.
-	ynh_app_setting_set --app="$app" --key=unprotected_uris --value="/"
-fi
+#if [ $is_public -eq 1 ]
+#then
+#	# unprotected_uris allows SSO credentials to be passed anyway.
+#	ynh_app_setting_set --app="$app" --key=unprotected_uris --value="/"
+#fi
+
+# Make app public if necessary or protect it
+[ $is_public -eq 0 ] || ynh_permission_update --permission "main" --add "visitors"
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/remove b/scripts/remove
index 22084c9..07f3894 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -19,7 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 port=$(ynh_app_setting_get --app=$app --key=port)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-config_path=$(ynh_app_setting_get --app=$app --key=config_path --value=$config_path)
+config_path=$(ynh_app_setting_get --app=$app --key=config_path)
 
 #=================================================
 # STANDARD REMOVE
@@ -47,7 +47,7 @@ ynh_remove_systemd_config
 #=================================================
 ynh_script_progression --message="Removing dependencies..."
 
-# Remove metapackage and its dependencies
+# Remove NodeJS
 ynh_remove_nodejs
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index e1f5650..0388215 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -27,10 +27,10 @@ ynh_script_progression --message="Loading settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
-domain=$(ynh_app_setting_get $app domain)
-path_url=$(ynh_app_setting_get $app path)
-final_path=$(ynh_app_setting_get $app final_path)
-config_path=$(ynh_app_setting_get $app config_path)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+path_url=$(ynh_app_setting_get --app=$app --key=path)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+config_path=$(ynh_app_setting_get --app=$app --key=config_path)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
diff --git a/scripts/upgrade b/scripts/upgrade
index 6374699..4aef1a4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -16,12 +16,12 @@ ynh_script_progression --message="Loading installation settings..."
 
 app=$YNH_APP_INSTANCE_NAME
 
-domain=$(ynh_app_setting_get $app domain)
-path_url=$(ynh_app_setting_get $app path)
-is_public=$(ynh_app_setting_get $app is_public)
-final_path=$(ynh_app_setting_get $app final_path)
-config_path=$(ynh_app_setting_get $app config_path)
-port=$(ynh_app_setting_get $app port)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+path_url=$(ynh_app_setting_get --app=$app --key=path)
+is_public=$(ynh_app_setting_get --app=$app --key=is_public)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+config_path=$(ynh_app_setting_get --app=$app --key=config_path)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION
@@ -83,7 +83,7 @@ path_url=$(ynh_normalize_url_path $path_url)
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -125,7 +125,7 @@ ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ st
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	pushd $final_path
+	pushd "$final_path"
 
 	yarn install && ynh_exec_warn_less NODE_ENV=production yarn build
 
@@ -160,6 +160,8 @@ ynh_replace_string --match_string="__NODE__"      --replace_string="$nodejs_path
 
 ynh_add_systemd_config
 
+yunohost service add "$app" --description "Self-hosted web IRC client" --log "/var/log/$app/$app.log"
+
 #=================================================
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================
@@ -191,18 +193,12 @@ ynh_use_logrotate --non-append
 chown -R "$app": "$final_path"
 chown -R "$app": "$config_path"
 
-#=================================================
-# ADVERTISE SERVICE IN ADMIN PANEL
-#=================================================
-
-yunohost service add "$app" --description "Self-hosted web IRC client" --log "/var/log/$app/$app.log"
-
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..."
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
 
 #=================================================
 # RELOAD NGINX