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Setup a single Apache Kafka node on CentOS 7
Apache Kafka is an open source distributed stream processing platform. From a high-level perspective, Kafka is a distributed messaging system that allows producers to send messages to a topic and consumers to read messages from a topic. Kafka is massively scalable and offers high throughput and low latency when operated in a cluster. This post explains how to set up a single Kafka node for a development environment.
Continue ReadingSetup a Kafka cluster with 3 nodes on CentOS 7
Apache Kafka is an open source distributed stream processing platform. From a high-level perspective, Kafka is a distributed messaging system that allows producers to send messages to a topic and consumers to read messages from a topic. Kafka is massively scalable and offers high throughput and low latency when operated in a cluster. This post explains how to set up a Kafka cluster consisting of 3 nodes for a development environment.
Continue ReadingCreate a minimal CentOS 7 Virtual Box image for Java application deployment
When working on a server-side Java project, I usually prefer to use a virtual machine to run the application. This post shows an example how to set up a Virtual Box CentOS 7 image that can be used to deploy our applications. An image like this can also be used to install services the application requires, e.g. a MySQL database, a Kafka instance or a distributed Ignite cache. I decided to describe this task quite detailed as I will use a basic image like this for several posts in the future.
Continue ReadingSimple Spring Boot CRUD application with Server-side form validation
This post describes how to add server-side form validation to an existing Spring Boot web application. The example code uses Thymeleaf Template Engine, Bootstrap 3 and Spring JPA in conjunction with HSQL DB.
Continue ReadingForward referrer to Spring Boot Application when using Nginx as Reverse Proxy
In this post, I will describe how to forward the HTTP referrer to a Spring Boot web application behind a Reverse Proxy (Nginx). The example application will log the referrer and other important information like remote IP address, preferred language and client browser type and version to the file system.
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AOP Apache Kafka Bootstrap Go Java Linux MongoDB Nginx Security Spring Spring Boot Spring Security SSL ThymeleafSearch
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