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Introduction Red Hat Enterprise Virtualization, or RHEV, is a virtualization platform developed by Red Hat Inc. that provides an open-source infrastructure for hosting virtualized workloads. It allows users to easily deploy virtual machines on top of a set of physical hosts, known as hypervisors. The RHEV environment consists of two main components: the management platform, which manages the entire infrastructure through a web-based interface called RHEV Manager; and the hypervisor hosts that run the virtual machines. Preparing for Virtual Machine Deployment System Requirements Before deploying virtual machines in a RHEV environment, it is important to ensure that your system meets ... Read More
Introduction SSH Port Forwarding is one of the most powerful and versatile features of Secure Shell (SSH). It enables users to securely access remote resources over an encrypted channel by forwarding TCP/IP traffic through a secure tunnel. SSH Port Forwarding, also known as SSH tunneling, is a technique that allows users to create a secure connection between their local computer and a remote server. It enables users to securely access remote resources, such as databases, web pages, or other network services that are not directly accessible from their local computer. Understanding SSH Port Forwarding How SSH ... Read More
Introduction Redis is a widely used open-source, in-memory data structure store, used as a database, cache, and message broker. It is designed to handle a large set of data structures with high performance and flexibility. Redis Cluster is a distributed implementation of Redis that provides high availability and scalability through partitioning the dataset across multiple nodes. Prerequisites Understanding of Kubernetes Architecture Before diving into deploying Redis Cluster on Kubernetes, it is crucial to have a basic understanding of Kubernetes architecture. This involves knowing the main components of a Kubernetes cluster, such as nodes, pods, and services. Understanding how these ... Read More
Introduction Computer networks have become an integral part of our lives, connecting us to endless sources of information and facilitating communication around the world. From small businesses to large corporations, computer networks are crucial for organizations to function efficiently and effectively. In today's interconnected world, nearly every aspect of modern life depends on the proper functioning of computer networks. What is SSH? Secure Shell (SSH) is a network protocol that provides secure, encrypted communication between two computers. It is used to access remote devices over a network securely. SSH provides a way to establish an ... Read More
Introduction RedHat Enterprise Virtualization Hypervisor (RHEV-H) is a virtualization platform that provides an end-to-end, high-performance, and scalable solution to meet the needs of modern data centers. RHEV-H is based on the open-source Kernel-based Virtual Machine (KVM) hypervisor, which allows for hardware-based virtualization, enabling multiple operating systems to run on a single physical machine. With RHEV-H, organizations can create an infrastructure that is easier to manage and more cost-effective. Preparing for Deployment System requirements for RHEV-H deployment Before deploying RedHat Enterprise Virtualization Hypervisor (RHEV-H), it is important to ensure that the system meets the minimum hardware and software requirements. The following ... Read More
Introduction RabbitMQ is a messaging broker that allows different applications to communicate with each other by sending and receiving messages. It provides a reliable and scalable way to handle messaging between systems. On the other hand, Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. With Kubernetes, you can easily deploy and manage your applications in a cloud-native environment. Preparing for Deployment Setting up a Kubernetes cluster Before deploying RabbitMQ on Kubernetes, it is necessary to set up a Kubernetes cluster. A Kubernetes cluster is made up of one or more ... Read More
Introduction PostgreSQL is an open-source relational database management system (RDBMS) known for its robustness, stability, and ability to handle complex and large data sets. On the other hand, Kubernetes is an open-source container orchestration system that automates the deployment, scaling, and management of containerized applications. Combining these two powerful technologies provides a highly scalable and reliable environment for hosting your PostgreSQL database. In this article, we will explore how to deploy PostgreSQL on Kubernetes. We will start by explaining what PostgreSQL and Kubernetes are and the benefits of deploying PostgreSQL on Kubernetes. Then we will go through an overview of ... Read More
Introduction ONLYOFFICE Docs is a powerful self-hosted online office suite that allows users to edit and collaborate on documents. It offers advanced features such as document co-authoring, real-time editing, revision history, and third-party integrations. ONLYOFFICE is an open-source platform that works with different languages and frameworks. Angular, on the other hand, is a popular front-end framework for building web applications. It was developed by Google and provides robust support for building dynamic and scalable applications. With Angular, you can create complex web applications with minimal code. Prerequisites Required Software and Tools First, you will need to have Node.js installed. ... Read More
Safeguarding the integrity and recoverability of your MySQL database is of paramount importance to mitigate the risks associated with data loss and corruption. Python, a versatile programming language, offers a myriad of libraries and techniques for seamless interaction with MySQL databases and accomplishing efficient backup procedures. This article delves into three distinct methodologies for creating MySQL database backups using Python, encompassing the utilization of the subprocess module, integration of the mysqldump command with the pymysql library, and leveraging the robust capabilities of the MySQL Connector/Python library. Through practical examples, we will delve into the intricacies of these techniques. Method 1: ... Read More
Introduction NGINX is a popular open-source web server that also functions as a reverse proxy, load balancer, and HTTP cache. A reverse proxy is a server that sits in front of web servers and forwards client requests to the appropriate backend server. The benefits of using NGINX reverse proxy include improved security, scalability, and performance. By acting as an intermediary between clients and servers, NGINX can also provide additional features such as caching, SSL termination, and content compression. In this article, we will discuss how to deploy NGINX reverse proxy on Docker – a platform that allows developers to easily ... Read More