updated getting started guides

ui-ngx/src/assets/getting-started/guide-arduino.md

@@ -33,6 +33,8 @@ Find and install the following libraries:
 
 The code snippet below provides an example on how to connect to a TBMQ broker using default credentials `TBMQ WebSockets MQTT Credentials`, subscribe to a topic, publish a message, and handle received message.
 
+In case you have changed the `TBMQ WebSockets MQTT Credentials`, don't forget to update the client ID, username, and password in the guide.
+
 Please do not forget to edit following constants and variables in the sketch:
 
 - `WIFI_AP` - name of your access point

ui-ngx/src/assets/getting-started/guide-java-ws.md

@@ -20,6 +20,8 @@ In order to use Paho library in your Maven project, please make sure you have ad
 
 The Java code below is an example of how to establish a connection to the TBMQ using default credentials `TBMQ WebSockets MQTT Credentials`, subscribe to a topic, and publish a message.
 
+In case you have changed the `TBMQ WebSockets MQTT Credentials`, don't forget to update the client ID, username, and password in the guide.
+
 ```bash
 import org.eclipse.paho.mqttv5.client.IMqttMessageListener;
 import org.eclipse.paho.mqttv5.client.MqttClient;

ui-ngx/src/assets/getting-started/guide-java.md

@@ -20,6 +20,8 @@ In order to use Paho library in your Maven project, please make sure you have ad
 
 The Java code below is an example of how to establish a connection to the TBMQ using default credentials `TBMQ WebSockets MQTT Credentials`, subscribe to a topic, and publish a message.
 
+In case you have changed the `TBMQ WebSockets MQTT Credentials`, don't forget to update the client ID, username, and password in the guide.
+
 ```bash
 import org.eclipse.paho.mqttv5.client.IMqttMessageListener;
 import org.eclipse.paho.mqttv5.client.MqttClient;

ui-ngx/src/assets/getting-started/guide-javascript.md

@@ -36,6 +36,8 @@ MQTT.js version: 5.9.1
 ##### Connect to the TBMQ
 The code snippet below provides a demonstration on how to connect to a TBMQ broker using default credentials `TBMQ WebSockets MQTT Credentials`, subscribe to a topic, publish a message, handle received messages and some MQTT client events.
 
+In case you have changed the `TBMQ WebSockets MQTT Credentials`, don't forget to update the client ID, username, and password in the guide.
+
 You may paste this code into a new JavaScript file in your project, e.g. `tbmq_js_example.js`. 
 
 ```bash

ui-ngx/src/assets/getting-started/guide-mosquitto.md

@@ -13,19 +13,23 @@ sudo apt-get install mosquitto-clients{:copy-code}
 ```
 
 ##### Subscribe
-To subscribe client to the MQTT topic `tbmq/demo/+` we will use the <a href='https://mosquitto.org/man/mosquitto_sub-1.html' target="_blank">mosquitto_sub</a> MQTT client.
+
+In this guide we will use the default TBMQ credentials `TBMQ WebSockets MQTT Credentials` to subscribe to the MQTT topic `tbmq/demo/+`.
+
+In case you have changed the `TBMQ WebSockets MQTT Credentials`, don't forget to update the client ID (`-i`), username (`-u`), and password (`-P`) in the commands below.
+
 Please copy and paste the following code into a terminal tab:
 
 ```bash
-mosquitto_sub -h {:mqttHost} -p {:mqttPort} -d -u tbmq_websockets_username -t tbmq/demo/+ -q 1 -c -i tbmq -v -V mqttv5{:copy-code}
+mosquitto_sub -d -q 1 -h {:mqttHost} -p {:mqttPort} -t tbmq/demo/+ -i tbmq -u tbmq_websockets_username -c -v{:copy-code}
 ```
 
 ##### Publish
 
 In order to publish a message on topic `tbmq/demo/topic`, open a new terminal tab and paste the following command:
 
 ```bash
-mosquitto_pub -h {:mqttHost} -p {:mqttPort} -d -u tbmq_websockets_username -t tbmq/demo/topic -m 'Hello World' -q 1 -V mqttv5{:copy-code}
+mosquitto_pub -d -q 1 -h {:mqttHost} -p {:mqttPort} -t tbmq/demo/topic -u tbmq_websockets_username -m 'Hello World'{:copy-code}
 ```
 
 <br>

ui-ngx/src/assets/getting-started/guide-python.md

@@ -23,6 +23,8 @@ pip3 show paho-mqtt{:copy-code}
 ##### Connect to the TBMQ
 The script below sets up a Paho MQTT client to connect to the TBMQ broker using default credentials `TBMQ WebSockets MQTT Credentials`, handles basic MQTT operations such as publishing a message and subscribing to a topic.
 
+In case you have changed the `TBMQ WebSockets MQTT Credentials`, don't forget to update the client ID, username, and password in the guide.
+
 You can paste this code into a new file in your project `tbmq-python.py`.
 
 ```bash