Tutorials on this subject :

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ActiveMQ Installation on Windows

Create an ActiveMQ Queue

Create an ActiveMQ Topic

Delete an ActiveMQ Queue

Put a Message into an ActiveMQ Queue

Start ActiveMQ Server

What is a AsyncSubject in Angular ?

What is a BehaviorSubject in Angular ?

Angular Callback function (example)

Angular installation on Windows

What is a ReplaySubject in Angular ?

What is a Subject in Angular ?

"concat" vs "merge" operators

Create a Child Component in Angular

What a Custom Directive is in Angular ?

My first Angular Application

My first Angular PrimeNG Application

Generic Injection Token

HOT vs COLD Observables in Angular

OnChanges interface

Pass data to a child component in Angular

Angular & PrimeNG Environment Setup

Promise vs Observable in Angular

Receive data from a Child Component in Angular

Routing in Angular

Sending data from Child to Parent Component

Angular setTimeout() example

@ViewChild decorator

What an Observable is in Angular ?

What a Promise is in Angular ?

Review No. 1

Asynchronous Actions

Ansible Conditionals

Error handling

Ansible Inventory

Ansible Loops

Ansible Modules

Ansible Playbook

Ansible Roles

Ansible Variables

Ansible Vault

How to install Ansible on Linux

Why an IT architecture department ?

Azure Cost Calculator

How to create a Function App

How to create a Function App

Create a Kubernetes Cluster in Azure

Create a Virtual Machine in Azure

Azure Cosmos DB

Azure SQL Database

Connect to Azure using the Azure CLI

Install Azure CLI on Windows

Azure Bastion

Azure Load Balancers

Network Interface Card (NIC)

Azure Firewall and Azure Network Security Groups (NSG)

Virtual Networks

Virtual Subnets

Azure Key Vault

Shared Access Signature (SAS)

Storage Account Access Key

Azure Storage Accounts

Azure Storage Explorer

Storage Tables

Delete an Entity from a Storage Tables

Insert an Entity in a Storage Tables

Query a Table in a Storage Tables

CSS for Page Layout

CSS Properties for Text

How to use Google Fonts

HTML button with CSS

HTML tables with CSS

Pseudo-classes in CSS

Pseudo-elements in CSS

Add a Docker image to Docker Desktop (from Docker Hub)

How to change the name of a Docker container

Connect to a Docker Desktop container

Copy files from the host to the Docker container

Create a Docker Container from a Docker Image

Create a Docker Image from a Docker Container

Create an HTTP server on Docker

Docker Hub Repository

Docker installation on Linux (CentOS 7)

Uninstall Docker from Linux (CentOS 7, RedHat 7)

Create a Linux container with Docker

What is a Docker Container ?

Docker image explanation

What is Docker ?

What is a Dockerfile ?

Create and start an HTTP server

Enabling Docker support in WSL 2 distros

Install Docker Compose on Windows

BRIDGE Networking in Docker

HOST Networking in Docker

IPs, Hostnames, Ports in Docker Containers

PING command in a Docker container (Ubuntu)

User-defined Bridge vs Default Bridge networking

Bind Mount persistence in Docker Compose

Bind Mount persistence in Docker Containers

How we can manage volumes in Docker

How we can use volumes in Docker Compose

How the volumes are used in Docker

Envoy proxy installation on CentOS 8

Start and configure a basic Envoy proxy

Create a Web Page using Express.js and Pug

Express.js framework & Node.js

Express Middleware Server Example

Add a Static External IP to a VM

Create a Google Kubernetes Engine (GKE)

Create a Virtual Machine

Connect to a PostgreSQL database from GCP CLI

Create a Firestore (Native mode)

Create a PostgreSQL database

Cloud Bigtable

Cloud Spanner Database

Cloud Spanner

Connect to GCP using the Google Cloud CLI

Install Google Cloud CLI on Windows

Reserve an External Static IP

Create a VPC Network

Create a VPC Subnet

Create a secret in GCP

Create a Google-Managed Certificate

Deploy a Node.js application using an App Engine

See the actual cost of a Standard App Engine service

Create Cloud Function in GCP

Deploy to Cloud Run

Storage Bucket in GCP

Persistent disks for Compute Engines

Filestore in GCP

Testing & Deployment Concepts

Add files to Git repository

Create Git Repository (using GUI)

How to create a GitHub Account

Create GitHub Repository

Install Git on Windows

Install GitHub Desktop on Windows

Push Files to GitHub repository

Install Git Client on Windows (TortoiseGit)

Create a H2 User

Create a Permanent Table

Create a H2 Database Schema

Create an In-Memory Table

H2 Database Installation on Windows

Start H2 Database on Windows

Create a Chart in Helm

Charts in Helm

Conditionals in Helm

Apache HTTP Server installation on Linux

Apache HTTP Server installation on Windows

Configure Apache Proxy

Rewrite a request on Apache Server

Composing Functions

Thread communication through pipes

Consumers in Java

Create a Daemon in Java (with example)

Create a multi-module application (Spring Boot & Maven)

Enum implements an Interface (I)

Enum implements an Interface (II)

Functions in Java

Functional Interfaces

Generics in Java Example

Java memory model - the main concepts

Java Socket Client Example

Java Socket Server Example

Lambda expression

Suppliers in Java

Upload a file using FTP in Java (with example)

WatchService interface

Working with Files in Java

Abstract classes

Abstraction in Java

Array type in Java

Base64 encoding & decoding in Java

Casting in Java

Custom Annotations

"default" method in an interface

Encapsulation in Java

Enum Class in Java

Exception Handling in Java

"final" keyword in Java

forEach method (for Collections)

Inheritance in Java

Interfaces in Java

Collections in Java

Maps in Java

Naming convention in Java

Java Operators

Java Optional class

Stub vs Skeleton, Marshalling vs Serialization in Java

Superclass & Subclass in Java

LocalDate, LocalTime, LocalDateTime

MAVEN: Lifecycles

Method & Constructor references in Java

New HTTP Client in Java

Pass by value or pass by reference ?

Polymorphism in Java

Java types: "primitives" vs "reference type" variables

Regular Expression in Java

"static" keyword in Java

"static" method in an interface

String methods in Java

String, StringBuffer and StringBuilder

"super" keyword in Java

"throw" keyword in Java

"throws" keyword in Java

The try-with-resources statement

Variable arguments in Java

EJB Client (Stateful)

EJB Client (Stateless)

EJB explanation

Interceptors in EJB

@PrePassivate vs @PostActivate

Singleton Session Bean

Stateful Session Bean

Stateless Session Bean

Timer Service

Code Examples 1

Monitors in Java

Semaphores in Java

Synchronized vs Concurrent Collection

"synchronized" keyword in Java

Threads Synchronization in Java (with example)

Abstract Factory

Adapter (or Wrapper)

Bridge

Builder

Chain of Responsibility

Command

Composite

Decorator

Facade

Factory Method

Filter

Flyweight

Iterator

Mediator

Memento

Model View Controller (MVC)

Observer

Prototype

Proxy

Singleton

State

Strategy

Template

Visitor

What gRPC and Protocol buffers are ?

Simple Service using gRPC & Spring Boot

BloomRPC - installation & usage

Java 17 installation on Linux (CentOS 8) - openjdk 17

Java 17 installation on Windows 10

Uninstall Java 17 from Linux (CentOS 8)

READ message from DURABLE Topic

READ message from a QUEUE

READ messages from a QUEUE using MessageListener

SEND a message to a QUEUE

SEND a message to a TOPIC

Send a message using SAF (WebLogic)

WRITE a message into a WildFly Queue

Write (send) a message into a WildFly Topic

Subscribe to a Topic using MessageListener (II)

Subscribe to a Topic using MessageListener (I)

Execute DELETE on an Oracle table (with Hibernate)

Hibernate Configuration

Execute INSERT on an Oracle table (with Hibernate)

Execute SELECT on an Oracle table (with Hibernate)

Execute UPDATE on an Oracle table (with Hibernate)

LOG4J : Explanation & architecture

LOG4J : Configuration for Java

LOG4J : Example in Java

Logback : Explanation & architecture

Logback : Configuration for Java

Logback : Example in Java

CompletableFuture class in Java

Creating Threads in Java (with example)

Executor Service

Future interface in Java

FutureTask class in Java

Executor Service : ScheduledThreadPool

Threads in Java (with example)

Thread Methods in Java (with example)

Review No. 1

Review No. 2

Review No. 3

Review No. 4

Review No. 5

Review No. 6

Review No. 7

Review No. 8

SPRING BATCH: Concurrent Steps

SPRING BATCH: Conditional Steps

SPRING BATCH: Create a JOB

SPRING BATCH: Create a Step

Infrastructure Configuration (Using H2)

SPRING BATCH: Sequential Steps

Spring Batch : The Main Concepts

@Async annotation in Spring Boot

@Builder Lombok annotation

CommandLineRunner in Spring Boot

@EqualsAndHashCode Lombok annotation

'Hello World' Application

Junit5 Example (with Maven)

Spring Boot 3 New Features

@ToString Lombok annotation

Change/Set default port for an API

Create client for REST Server

Create a simple REST API

Create a REST Server

HTTP request methods

Spring API input parameters

Flow Class: Processor interface

Flow Class: Subscriber, Publisher, Subscription interfaces

Reactive Programming: Spring Boot & MongoDB

Spring WebFlux: Flux Stream Example

Spring WebFlux: Hello World Example

Spring WebFlux: Mono Stream Example

Spring Cloud Bus

Circuit Breaker

Configuration Client

Configuration Server

Eureka Client

Eureka Server

Spring Cloud Gateway

OpenFeign

Annotations in Java Spring JPA

Spring Data JPA : MySql database - Paginating the result

Spring Data JPA : MySql database - Sorting the result

Spring Data JPA : Transactions - example

Spring Data JPA with a MySql database

Annotations in Java Spring Boot

@ControllerAdvice & @ExceptionHandler example

EhCache Example in Spring

Spring Model-View-Controller (MVC) Example

Spring Remote Method Invocation (RMI) Client example

Spring Remote Method Invocation (RMI) Server example

JAX-WS (SOAP) Client in Spring

JAX-WS (SOAP) Server in Spring

Spring AOP (explanation & example)

Spring Context Configuration (using Java Classes)

Spring Context Configuration using with XML file

Filters & Interceptors in Spring

Spring JUnit Example

Spring Pointcut annotation (explanation & example)

Spring ProceedingJoinPoint (explanation & example)

Annotations in Java Spring Security

Create a custom login page

Secure a Web Application for Cross Site Request Forgery (CSRF)

Disable the CSRF

Implement Anonymous Login

My first Spring Boot Service using Spring Security

PUT, POST, DELETE, PATCH requests using CSRF in Postman

SPRING Security : Secure Web Application

Authentication : InMemoryUserDetailsManager

Authentication : JdbcUserDetailsManager

Authorization : SecurityFilterChain

Store Users & Passwords into a MySql database

Spring Security 6 : Implementing OAuth2 with Keycloak

Spring Security Overview

SPRING Security : Simple MVC Application (no security)

collect() method

distinct() method

filter() method

flatMap() method

map() method

min() & max() methods

reduce() method

sorted() method

stream() & parallelStream() methods in Collections

Create a jar file for a JAX-WS (using Ant)

Create REST Client (using Jersey)

Create a REST Service (using Jersey)

Create a Java WS Client (SOAP)

Create a SOAP WS (Document style)

Create a SOAP Web Service (using Jersey)

Create Java SOAP Web Service (RPC style)

Deploy a JAX-WS on WildFly Server

Create a Java Web Service (SOAP RPC) for WildFly

JAX-WS (SOAP) vs JAX-RS (RESTful)

What a Web Service is ?

Servlet Context

Cookies in Java

Delete Cookies from Chrome

Delete Cookies in Java (on Server Side)

HttpSession

Java Filters

Java Filter for logging

Creating PrimeFaces Applications

Java Server Pages (JSP)

Java Servlet (POST Method)

Java Servlet (GET Method)

Java URL Rewriting

Event Listeners in JavaScript

FOR loops in JavaScript

IF ... ELSE in JavaScript

innerHTML in JavaScript

JavaScript Arrays

JavaScript Functions

JavaScript Variables

JQuery Each Method

JQuery Events

JQuery Selector

Modify HTML attributes using JavaScript

THIS keyword in JavaScript

WHILE loops in JavaScript

Compile & Run a Java Application in Jenkins

Create User

Create a Simple Job in Jenkins

Environment Injector Plugin

Grant Read permission on Jenkins jobs

Jenkins Plugins

Run a Job after another Job

Run a Jenkins Job through an API

Jenkins installation on Linux (CentOS 8)

Jenkins installation on Windows

Remove Jenkins from Linux (CentOS 8)

Integrate Jenkins with GitHub (using Poll SCM)

Integrate Jenkins with GitHub (using Webhooks)

Integrate Jenkins with Maven (without Maven Integration plugin)

Maven Integration plugin

Jenkins-SonarQube Integration

Build Pipeline Plugin

Create Complex Scripted Pipeline

Create Declarative Pipeline

Create a simple Pipeline

Create Simple Scripted Pipeline

Delivery Pipeline Plugin

Handling Jenkins Pipeline Failures

Jenkins Blue Ocean

Jenkins main pipeline concepts

Using Environment Variables in Jenkins

Using Parameters in Jenkins Pipelines

Conditional stage in Jenkins pipeline

Create Kafka Consumer Group (from CLI)

JAVA: Create Kafka Consumer

Create Kafka Consumer (from CLI)

JAVA: Create Kafka Producer with a Callback

JAVA: Create a Kafka Producer with a Key

JAVA: Create a Kafka Producer

Create Kafka Producer (from CLI)

Create Kafka Topic (from CLI)

Kafka Architecture

Kafka Cluster Installation on Linux

Kafka configuration parameters

Kafka Installation on Linux

JAVA: Kafka KTables Explained

Kafka performance: CPU

Kafka performance: IO

Kafka performance: Network

Kafka performance: RAM

JAVA: Kafka Streams - Explanation & Example

JAVA: Kafka Topology Explained

Merge 2 Kafka KStreams (Java)

Start Kafka as a Linux service

Start & Stop Kafka & Zookeeper

Start Zookeeper as Linux service

Zookeeper Cluster Installation on Linux

Zookeeper configuration parameters

Zookeeper Four Letter Words commands

Mono: map, doOnNext, doOnSubscribe methods

Mono.just() vs Mono.defer() vs Mono.fromSupplier() vs Mono.create()

async Builder

GlobalScope.launch() Builder

runBlocking Builder

ConfigMaps explanation

Limit the CPU utilization

Set Resource Limits for Namespaces

Namespaces in Kubernetes

Limit the RAM utilization

Volumes in Kubernetes

Create a NodePort service

Create, View and Destroy a Deployment

Create, View and Destroy a Replica Set

Create, View and Destroy a Pod

Create a service with an external IP

Kubernetes Architecture overview

The Main Concepts in Kubernetes

Connect to a Kubernetes Cluster from the Azure CLI

Create a Kubernetes Cluster in Azure

Deploy an NGINX server in a Kubernetes Cluster in Azure

Get information on Kubernetes Cluster nodes in Azure

Create a Google Kubernetes Engine (GKE)

Useful commands in Linux (CentOS)

Maven installation on Linux

Maven installation on Windows

Upload a file to Nexus

Using SonarQube with Maven

Create a Collection

Create a database

Insert a Document into a Collection

MongoDB Installation on Windows

MongoDB Compass Installation on Windows

Remove a Document from a Collection

Create a Database (Schema)

Create a Function

Create a Table

Create a View

MySQL installation on Linux (RPM)

MySQL installation on Linux (YUM)

MySQL installation on Windows

Create a Nexus repository

Delete a Nexus repository

Nexus repository installation on Linux

Nexus repository installation on Windows

Start/Stop Nexus repository on Linux

Start/Stop Nexus repository on Windows

Create a MySql database (schema)

Execute a Delete statement on a MySql table

EventEmitter object

Generate HTML & Text Code

My first 'Hello World' Application in Node.js

Execute an Insert statement on a MySql table

Node.js Callback

Node.js Error Handling

Node.js FS Module

HTTP Module in Node.js

Node.js installation on Windows

What is a module in Node.js ?

Node.js URL Module

NPM (Node Package Manager)

JSON.parse() & stringify() Functions

Read a URL Request in Node.js

Execute a Select statement on a MySql table

Streams in Node.js

Execute an Update statement on a MySql table

Create User-Defined Modules

What is Node.js ?

Create a Domain

Create a Function

Create a Materialized View

Create a Schema

Create a Sequence

Create a Table

Create a Tablespace

Create a User

Create a View

pgAdmin Installation on Windows

PostgreSQL Installation on Linux (RPM approach)

PostgreSQL Installation on Linux (YUM approach)

Enterprise DB PostgreSQL Installation on Windows

Functions in Python

Using Classes in Python

FOR loop in Python

IF ... ELIF ... ELSE in Python

PyCharm Installation on Windows

Python Installation on Windows (v. 3.4.3)

WHILE loop in Python

Grant User Permissions

Create a new Project

Create a New Group in SonarQube

Create a New User in SonarQube

SonarQube Installation on Linux

SonarQube Installation on Windows

Create SQL Server Database

Create SQL Server Login

Create a Scalar-Valued Function

Create SQL Server Table

Create SQL Server User

Microsoft SQL Server 2016 Installation

SQL Server Management Studio Installation

SQL Server System Databases

Create a Network Interface Card (NIC) in Azure

Create a Network Security Group (NSG) in Azure

Create a Public IP in Azure

Create a Resource Group in Azure

Create a Subnet in Azure

Create a Virtual NET in Azure

Install Terraform on Windows

Terraform commands

Terraform Providers

DELETING data using a Thymeleaf application

DISPLAYING information from an Oracle database

INSERTING data using a Thymeleaf application

Thymeleaf 'Hello Word' Application

Thymeleaf vs Angular

Thymeleaf vs Java Server Faces (JSF)

Thymeleaf vs Java Server Pages (JSP)

UPDATING data using a Thymeleaf application

What is Thymeleaf ?

Activity Diagram

Class Diagram

Communication Diagram

Component Diagram

Composite Structure Diagram

Deployment Diagram

Interaction overview Diagram

Object Diagram

Package Diagram

Sequence Diagram

State Machine (Statechart) Diagram

Timing Diagram

UML Diagram types

Use Case Diagram

What is UML ?

Create a Linux VM with an HTTP Server on it

Create a simple machine on Virtual Box

Vagrant installation on Windows

Setting RAM and the CPU cores with Vagrant

Vagrant plugins

What is a Vagrant provider ?

Vagrant Provisioning Example

What is a Vagrantfile and what is used for ?

What is Vagrant and what it is used for ?

ngrok

OWASP top 10

Create a DataSource

Create a Queue on Wildfly

Create a Topic on Wildfly

Create a user for WildFly Server

Install Oracle JDBC driver on WildFly Server

Install PostgreSQL JDBC driver on WildFly Server

Install SQLServer JDBC driver on WildFly Server

WildFly 10.1 installation on Windows

Start the WildFly Server (standalone)

WildFly 10.1 installation on Linux

Total tutorials on this subject : 616