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Setting up JMeter for Testing Java Applications JMeter is an open-source tool that is widely used for performance and load testing of applications. It can be used to test the performance of web applications, databases, and even various protocols. In this article, we will focus on how to set up JMeter for testing a Java application. Prerequisites Before we dive into setting up JMeter, there are a..

Understanding the Docker run and exec Commands Docker is a popular open-source platform for developing, shipping, and running applications in containers. The Docker run and exec commands are two of the most essential and frequently used commands for working with Docker containers. In this article, we'll take a closer look at these two commands and understand their usage and benefits. Docker run ..

Introduction to Infrastructure as Code and Terraform Infrastructure as Code (IaC) is a paradigm shift in the way infrastructure is managed. It allows developers to treat infrastructure as just another aspect of code that can be versioned, tested, and deployed in a similar manner to application code. This approach helps organizations automate the process of infrastructure provisioning and managem..

Advanced kubectl Commands Kubectl is the command line interface for managing applications in a Kubernetes cluster. As a Kubernetes administrator, it's essential to have a good understanding of the various kubectl commands. In this article, we'll take a look at some of the more advanced kubectl commands that can help you work more efficiently and effectively with your cluster. Debugging Kubernete..

Essential Kubernetes CLI Commands Kubernetes is a popular open-source platform for managing containers and deploying microservices. It provides a rich set of tools and APIs that make it easy to manage and orchestrate containers at scale. One of the most important tools in the Kubernetes ecosystem is the Kubernetes command-line interface (CLI), also known as kubectl. In this article, we will cove..

Advanced Docker Commands Docker is a powerful tool for developers, allowing them to easily create, deploy, and run applications in containers. In this article, we will focus on advanced Docker commands that can help you work with Docker more efficiently and effectively. Docker Run Command The docker run command is used to start a new container from an image. This is the most commonly used Docker..

Docker Commands: A Beginner's Guide Docker is a platform for developing, deploying, and running applications using containers. Containers provide a way to package an application and all its dependencies into a single, self-contained unit that can be easily deployed and run on any system. One of the key benefits of Docker is that it makes it simple and easy to manage containers and their associat..

How to Set Up Prometheus and Grafana on Docker Monitoring is an essential part of any infrastructure, and having a robust and flexible monitoring solution is crucial for ensuring the health and performance of your systems. In recent years, Prometheus and Grafana have become two of the most popular open-source tools for monitoring and visualizing metrics. In this article, we'll walk you throu..

Setting Up ELK Stack on Docker The ELK stack, consisting of Elasticsearch, Logstash, and Kibana, is a powerful platform for log management and data analysis. By setting up the ELK stack on Docker, you can quickly and easily get started with log analysis, and have the flexibility to run it on a variety of platforms. This article will guide you through the process of setting up the ELK stack on Do..

DDoS (Distributed Denial of Service)는 네트워크 서비스의 과도한 요청으로 인해 서버가 장애를 일으키는 공격의 종류로, 이 공격은 많은 장치나 컴퓨터를 통해서 동시에 공격을 시작하여, 타겟 서버가 특정 요청을 처리하지 못하게 만든다. 이는 일반적으로 웹사이트, 인터넷 서비스, 온라인 게임 등에 대한 접속을 막는 것으로 끝나며, 보안 취약점을 악용하여 공격을 하는 경우도 있다. DDoS에 대비하여, Apache HTTP Server 에서 설정할 수 있는 사항에 대해 아래와 같이 알아본다. 1) MaxClients 설정 Apache 에서는 동시에 처리 가능한 Client 수를 MaxClients 설정으로 처리한다. 이를 초과한 요청은 처리가 불가능하니, 설정시 너무 낮게 설정되지 ..