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A replica set is a group of MongoDB database nodes used for defining database clusters with master-slave replication and automated failover. A replica set contains a single primary node, multiple secondary nodes, and an arbiter node. In this post, we will explain how to set up a MongoDB replica set with three nodes. We will also show you how to create an environment, configure authentication between multiple database nodes and finally configure the replication between all nodes.

In this tutorial, we will guide you through the steps of installing Odoo 11 on CentOS 7. We will also install Nginx and configure it as a reverse proxy. Odoo (formerly OpenERP) is a simple and intuitive suite of open-source enterprise management applications such as Website Builder, eCommerce, CRM, Accounting, Manufacturing, Project and Warehouse Management, Human Resources, Marketing, and many more.

Building a highly-available clustered infrastructure is one of the most commonly used solutions to achieve 100% uptime for your application. In a clustered environment, there is a number of interconnected instances running the same stack and operating the same data. So cluster is able to handle more load than a single server. It will also add more servers automatically to the cluster as per application demand. In this guide, we will show you how to deploy Java EE applications using Glassfish and Payara auto-clustering on the RoseHosting Cloud platform.

Moving or Migrating your existing WordPress website to a new environment or server is a very tough task for any webmaster. A minor mistake will damage your entire site. RoseHosting PaaS provides a platform to deploy a lightweight WordPress installation inside a standalone container. RoseHosting PaaS provides pre-configured WordPress packages to migrate your WordPress website from any server or platform to the RoseHosting Cloud platform. In this post, we will show you how to migrate a WordPress Website to RoseHosting Cloud PaaS

Docker is an open-source application that provides lightweight operating-system-level virtualization through the use of containers. The key benefit of Docker is that it allows users to package an application with all of its dependencies into a standardized unit for software development. Docker Engine is available in Community Edition (CE) and Enterprise Edition (EE).

Horizontal scaling is a method of adding numerous servers to a cluster to boost performance and offer high availability.

Today we are going to guide you on how to show all users in the MySQL users Database.

A common question that most beginner MySQL users ask is “How do I see all of the users in my MySQL server?” Most of them assume that there is a show users command in MySQL, but there isn’t one. This is a common mistake because there are other MySQL commands for displaying information about the database. For example, SHOW DATABASES will show us all of the databases that are present in our MySQL Server, and SHOW TABLES will show us all the tables in the MySQL database that you have selected.

Laravel is an open-source PHP framework that can be used to develop web applications easier and faster through built-in features.

Mahara is a free and open-source electronic portfolio management system written in PHP. It is a web-based application mainly used in academic institutions to provide a platform to share their knowledge.

When a server acts as the host for a website or an application, it is the backbone of this website or application’s functionality.

PHP is one of the most popular server scripting languages used for creating dynamic pages. Many popular CMS is written in PHP including, WordPress, Laravel, Magento, and many more. The PHP 7.4 version was officially released on November 28th, 2019 with a number of new features. It has also few incompatibilities so you should take care before upgrading from the previous version. In this tutorial, we will show you how to install PHP7.4 with Nginx on Ubuntu 20.04 server.

OPcache is an Apache module for the PHP interpreter. It is used to increase performance by storing precompiled scripts in shared memory space. Generally, it is used to speed up the performance of WordPress and PHP-based applications. OPcache removing the need for PHP to load and parse scripts on each request. In this tutorial, we will show you how to install and configure PHP OPcache on an Ubuntu 20.04 VPS.

If you are looking for a cost-effective solution for running small and medium-size projects with advanced features including a Web application firewall, Let’s Encrypt SSL, CDN, Redis cache then you can deploy WordPress in Elastic Standalone Container on RoseHosting Cloud platform.

In this tutorial, we will show you how to set up a WordPress cluster with LightSpeed and a highly available MariaDB Galera cluster. We will also show you how to enable Premium CDN and install a free Let’s Encrypt SSL certificate with automatic renewal.In this tutorial, we will show you how to set up a WordPress cluster with LightSpeed and a highly available MariaDB Galera cluster. We will also show you how to enable Premium CDN and install a free Let’s Encrypt SSL certificate with automatic renewal.

Anaconda is a free, open-source, and one of the most popular distribution of Python and R Programming language.

OpenVPN is a free and open-source VPN protocol that implements techniques to create secure point-to-point in routed configurations. It is cross-platform and compatible with all major operating systems. In this tutorial, we will show you how to install and setup the OpenVPN on Debian 10 server.

These days high availability and database clustering are very important for highly loaded production applications. If your server is down for a fraction of time, you are losing customers and money.

SSH is a “Secure Shell Protocol” used to connect and manage remote Linux systems securely over an unsecured network. It is very useful for system administrators to perform day-to-day tasks on the remote server. So securing an SSH server is an essential part of any system administrator.

Redis is an open-source and in-memory data structure store that can be used for caching, real-time analytics, searching, and machine learning. Integrate Redis with PHP and MySQL will improve your application performance because Redis stores data in RAM.

ERPNext is a completely robust ERP framework intended for small and medium-sized businesses. It covers an extensive variety of features, including accounting, CRM, inventory, selling, purchasing, manufacturing, projects, HR and payroll, website, e-commerce, and more – all of which make it profoundly adaptable and extendable.