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. The primary node receives all write operations while other nodes apply operations from the primary so that all nodes have the same data set.
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.
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.
It’s not unusual for people to assume that there should be a SHOW USERS command in MySQL. Even though there isn’t a specific command for it, there are several ways to actually see the list of users and even filter them to see exactly what you need. This can all be done with the MySQL command line tool – let’s get started.
Laravel is an open-source PHP framework that can be used to develop web applications easier and faster through built-in features.
It is based on the Symfony framework and following the model–view–controller architectural pattern.
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.
ERPNext is developed in Python and depends on the Frappe Framework. It utilizes Node.js for the front end, Nginx for the web server, Redis for caching, and MariaDB for the database.
ERPNext is Open Source under the GNU General Public License v3.
In this tutorial, we will guide you through the steps of installing Odoo 12 on Ubuntu 18.04. 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. Odoo comes in two editions, the Community edition which is free, and the Enterprise edition. In our case, we will install and use the Community edition.
Java is a free, open-source, and most popular language used for developing mobile and desktop applications, and it can run on all major operating systems. There are different implementations of Java, including JRE, OpenJDK, and Oracle JDK. Let’s understand the difference between JRE, OpenJDK, and Oracle JDK.
Oracle JDK: It is the official Oracle version of the Java Development Kit. It has a few additional commercial features and permits only non-commercial use of the software.
JRE: Java Runtime Environment consists of the Java virtual machine and binaries used to run Java programs.
OpenJDK: Java Development Kit includes the JRE and development tools and libraries required to build Java applications.
This tutorial will explain how to install Java 8, Java 11, and Oracle Java 15 on Ubuntu 20.04 server.
reveal.js is a free and open-source HTML framework that can be used to create fully-featured presentations through a web browser. It is built on open web technologies. It has a rich set of features including, Markdown content, nested slides, PDF export, and JavaScript APIs for controlling the slide navigation.
In this tutorial, we will show you how to install Reveal.js on Ubuntu 20.04.
If you want to install Odoo 11 on Debian 9 then this tutorial will be very helpful, giving you guidelines, step by step. Another thing that we will do is installing the Nginx web server and also configure it as a reverse proxy. Odoo, or as we know it from before OpenERP, is a simple and intuitive suite of open-source enterprise management applications like Website Builder, CRM, Marketing, Human Resources, eCommerce, Manufacturing, Project, and 
Warehouse Management, Accounting, and so on. More than 3.7 million people use it, both in startup and large companies, making this type of software one of the most popular in the world. You can find Odoo in two editions, the free Community edition and Enterprise edition. We have chosen to install and use the Community edition of Odoo.
Wiki.js is a free and open-source wiki application written in Node.js. It is simple, lightweight, and uses Markdown files to saves all contents. You can save your content directly to the Markdown file and sync it with your Git repository. It offers a rich set of features including, integrated access control, a built-in search engine, and supports external authentication.
In this tutorial, we will show you how to install Wiki.js on CentOS 8.