A .htaccess file or a distributed configuration file is a robust file used to control and manage the configurations of a website. All the configuration changes are made on a per-directory basis to ensure that the main server configuration files are undisturbed. When to Use .htaccess File Preferred Whether you aim to load error pages or implement password security, a …
An Overview of Queries in MySQL
Sustainability in business is difficult without proper data management. Building a well-defined system is essential to managing internal and external operations. Detailed insight into business data helps to understand the overall workflow and measure performance. Moreover, using databases saves time and allows to access information effortlessly. What is a database? A database is an organized system used to store information …
Introduction to Cookies: Understanding and Working with JavaScript Cookies
Browser cookies, or HTTP cookies, are text files made up of tiny bits of data. Websites use this information to track a user’s journey, allowing them to offer tailored-fit features and improve their browsing experience. Cookies can store up to 4096 bytes of data. However, we can add a limited number of cookies per domain, depending on the browser. A …
An Overview of Data Types in Ruby
Ruby is a well-known programming language. It aims to improve simplicity and productivity. It’s also a fully object-oriented programming language. In addition, Ruby comes with an elegant syntax that’s natural to read and easy to write. Any programming requires managing various data types. A data type describes a specific class of data. It tells the machine how it should handle …
The Architecture of Iptables and Netfilter
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 …
Smooth Scrolling in Action Using React: A Tutorial
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 …
Working with Strings in Ruby
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 …
Using PostgreSQL with Django on Ubuntu 21.04 Server
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, …
Installing and Configuring LAMP on Ubuntu 20.04 with Ansible
Server automation is a secure and reliable process of managing and monitoring servers in an effective and tech-savvy way. Unlike the traditional style of managing servers at data centers controlled by a dedicated team of experts, all servers are managed using automation. As a result, human errors are minimized. Configuration management tools like Ansible, Puppet, Terraform, to name a few, …
How To Secure and Scale a Django Application with Docker, Nginx, and Let’s Encrypt
Millions of users get on the Internet to access information for various purposes including learning, entertainment, news, and sharing their lives’ progress with friends. Hence, when deploying an app, it’s in your best interest that you implement a highly secure and scalable infrastructure for your application. The cloud offers various ways to secure and scale a Django application. Horizontal scaling …
Adding Swap Space on Ubuntu 20.04: A Tutorial
Adding swap space to your server is an excellent option to compensate for out-of-memory errors. Linux allows users to add swap space in their system when the amount of RAM in the system is full. When you create a dedicated space partition, you will allow your physical memory to run smoothly without much worrying about low disk space. Swap Overview …
Implementing Flex Layout in Angular: A How-To Guide
Introduction CSS Flex Layout is used to create flexible fluid layouts. However, when using Angular there are scenarios when we need more dynamic control over the layouts. Further, using CSS Flexbox requires complicated styling which can be hard for many developers. Flex Layout is a component engine that aims to solve this problem. It provides a set of directives that …