Below you'll find a list of all posts that have been categorized as “Tutorials”
A firewall is a security device (hardware/software) that protects the network by filtering traffic and blocking unwanted/unauthorized access to private data. Having a proper firewall is important to protect your servers and infrastructure. It can not only block unwanted traffic but also block malicious software from infecting the system. In the Linux ecosystem, iptables is a popular firewall that interfaces …
Node.js is an open-source cross-platform Javascript runtime environment. For the last few years, it has become a popular choice for back-end web development due to its fast Input/Output (I/O) performance and unbeatable JavaScript syntax. Also, its adaptive nature allows quick customization, making this server technology stand out from its competitors. Node.js Package Manager — An Overview Node.js Package Manager or …
React is an open-source JavaScript library used for building futuristic website designs and improving user interfaces. Due to its robustness, flexibility, and efficiency, it has outperformed its competing front-end libraries and frameworks. React provides excellent features and stand-out functionalities that facilitate customization and dynamic animation. In the list of animation collections, smooth scrolling in React helps in increasing web app …
Ruby is an interpreted, dynamic, reflective, object-oriented programming language. Developed by Yukihiro Matsumoto, Ruby focuses on simplicity and productivity. The elegant syntax allows developers to read and write code easier. In this guide, we will be working with strings in Ruby. Prerequisites To perform the steps demonstrated in this tutorial, you need the following components: A properly-configured Ubuntu system. Learn …
Introduction There are always times when we need to have new servers configured. This could be to distribute the workload or if we simply need more servers. When setting up new servers, users need to utilize server automation to configure them. This is done in order to minimize manual intervention. Ansible is one of the configuration management tools that can …
Django is a powerful, open-source, Python-based web framework that streamlines the process of creating and managing websites and web apps. Django applications are scalable, high-performance, and secure. It also comes with really good documentation on every single part of the framework. In our series on Django, we’ve been exploring Django by implementing a sample website with basic blogging features. In …
Django is a well-known web framework that streamlines the process of creating robust, scalable, secure, and high-performance web apps. It’s an open-source project written in Python. You can check out more detailed information on Django here. Any web app requires a database as the backend to manage data. Django supports various database engines as the backend, for example, MySQL, PostgreSQL, …
A replica set is defined as a database cluster of multiple nodes with replication and automated failover configured between them. To make sure the PRIMARY database is elected correctly, it is important to have an odd number of members in the set (including or excluding the Arbiter node). The selected database is responsible for all the major tasks. It processes …
Introduction GitLab offers a very convenient way to work with remote repositories on centralized servers. Anyone coming from GitHub or any other tool might consider that there are many other tools offering this service. However, use cases differ from team to team. GitLab’s main advantage is that you get complete control over your repositories and setting permissions. In this tutorial, …
Go (also known as Golang) is an open-source, statically typed programming language. It was originally developed by Google. Some notable features of Go include simplicity, high performance, readability, and efficiency. Like any other prominent programming language, the standard library of Go offers a rich set of packages. However, we can also extend the functionalities by incorporating third-party packages. This guide …
Django is a popular, free, and open-source web application framework built on Python. It strives to streamline web app development. Django comes with a solid set of components to develop websites faster and easier. In our series of articles on Django, we have been exploring how to use Django with a demo app. In this guide, we will build on …
MySQL is one of the most popular open-source RDBMS (Relational Database Management Systems). It is an integral part of the rapidly growing LAMP Stack and has gained impressive fandom among developers and system admins. Compared to non-relational databases, SQL provides excellent functionalities to arrange, store, and manage data effectively. The distinguishing table arrangement functionalities and stand-out capabilities of the SQL …
