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Creating and Pushing Docker Images to Docker Hub Docker is a powerful tool for managing containers, and Docker Hub is a repository for sharing and storing Docker images. Creating a Docker image is the first step in deploying your application as a container. This article will guide you through the process of creating a Docker image and pushing it to Docker Hub. Prerequisites Before getting starte..

Not FOR PRODUCTION !!!!!!!! 1. A sample JSP code that can lead to an OutOfMemoryError by allocating too many objects in memory Memory Error JSP This JSP page imports the java.util.* package and defines a simple HTML page with a title and header. - Inside the block, a List object is created and an infinite loop is started to add new elements to the list. Because the loop will never terminate, the..

# Create a new namespace for ELK kubectl create namespace elk # Deploy Elasticsearch kubectl apply -f https://download.elastic.co/downloads/eck/1.7.0/all-in-one.yaml -n elk # Deploy Kibana kubectl apply -f https://github.com/elastic/helm-charts/releases/download/kibana-7.16.2/kibana-7.16.2.tgz -n elk # Deploy Logstash kubectl apply -f https://github.com/elastic/helm-charts/releases/download/logs..

Setting Up MSP in Cloud Computing: A Step-by-Step Guide Managed Service Providers (MSPs) have been around for a while, providing businesses with essential IT services and support. With the rise of cloud computing, MSPs are increasingly offering their services in the cloud, enabling businesses to leverage the scalability, agility, and cost-effectiveness of the cloud. In this article, we'll look a..

How to make a spring boot Application for testing Here are the steps to create a Spring Boot application for testing purposes: Install the Java Development Kit (JDK) and an IDE, such as IntelliJ IDEA, on your computer. Launch the IDE and create a new project. Select “Spring Initializer” from the list of project templates. Choose a project name and a location, then select the latest version of Sp..

What is a Service Mesh? A Service Mesh is a dedicated infrastructure layer for microservices application communication. It provides features such as service discovery, load balancing, traffic management, and security for microservices communication. Service Mesh is designed to provide a centralized way to manage and control the communication between microservices, making it easier to maintain, s..

Understanding Istio: The Service Mesh for Microservices In recent years, microservices have become a popular architectural pattern for building scalable and resilient applications. However, managing the communication between microservices can be a challenge, particularly when it comes to security, reliability, and observability. This is where Istio comes in. Istio is an open-source service mesh ..

Zero Trust Security: A Comprehensive Guide to Implementing Tools As the internet becomes increasingly intertwined with our daily lives, it’s becoming more important to keep our data and devices secure. In the past, organizations could secure their data by simply implementing a perimeter defense and using firewalls and antivirus software. However, with the rise of cloud computing and the Internet..

Zero Trust Security: A Comprehensive Guide Zero trust security is a cybersecurity model that assumes that all network traffic is untrusted and requires strict verification before it is allowed to access network resources. The traditional model of cybersecurity is based on a castle and moat approach, where the perimeter is fortified and traffic is only allowed in if it meets certain criteria. How..

Setting up JMeter on Linux using CLI Mode JMeter is an open-source tool that is widely used for performance and load testing of applications. It provides a GUI mode for easy testing, but it also supports a Command Line Interface (CLI) mode for more advanced and automated testing. In this article, we will focus on how to set up JMeter on Linux using CLI mode. Prerequisites Before we dive into set..