In programming, a function is described as a block of instructions that can perform a certain action. A function is generally re-usable. Using functions makes the code more modular. It also opens up the opportunity of re-using the code over and over again in the future. Python is a robust programming language that supports functions. It already comes with a …
Troubleshooting Common HTTP Error Codes
Any web server receiving an HTTP request is responded to with an HTTP status code. These codes are short notes from the server describing the situation. It doesn’t contain any actual site content. Instead, it’s a report of how things went after receiving the HTTP request. In many situations, these codes are important to diagnose various server/client issues. These codes …
Cloud Computing and the Right-Sizing Problem: What is it and How to Solve it?
Cloud Computing The internet has become the center of not just an average individual’s life, but also the business industry. There are hardly any sizable modern businesses that are not utilizing some form of digital or online technology to execute their strategies and achieve their goals. In fact, many small and medium-sized businesses are also looking to leverage the sheer …
Working with Docker Data Volumes on Ubuntu 20.04
Introduction Docker Data Volumes is an important concept when containerizing your applications. Knowing this concept is vital for ensuring the best experience of your containerized application along with reliable persistence and data management. However, while this concept is important, it is also confusing and complex for many developers. It is important for developers and DevOps specialists to be able to …
Installing Jenkins on Kubernetes
Continuous Integration and Continuous Development is now a standard way of deployment. Also called CI/CD, it creates pipelines to automate testing, deployment, integrating code, and reporting. While there are many tools available in the market, both free and open-source, in this tutorial, we will be installing Jenkins on Kubernetes. Jenkins is one of the most popular CI/CD tools used for …
Using HTTP client Axios in a React Application: A Tutorial
Many web apps face the necessity of interfacing with a REST API at some point in their development. For React-based web apps, we can use Axios, a lightweight HTTP client based on the $http service within Angular.js v1.x. The features are similar to JavaScript’s native Fetch API. Axios is promise-based, allowing us the ability to incorporate JavaScript’s async and await …
Ensuring Safe VPN Access with Private OpenVPN: How to Install and Get Started
The importance of data security in the modern business industry cannot be over-emphasized. It is extremely important for individuals to ensure their privacy and online safety, let alone businesses and corporations. There are well-disguised scams and viruses hiding at almost every turn and corner on the internet. Even remaining as vigilant as you possibly can, you can still be at …
Installing Apache Tomcat 9 on Ubuntu 20.04
Apache Tomcat software is a Java-based HTTP server that can run Java technologies like Java Servlet, JavaServer Pages (JSP), and Java Expression Language. The advanced built-in customization options, high flexibility, and impressive stability make the software highly in-demand and a popular pick among developers globally. Let’s see what makes Apache Tomcat stand out among competitors: Open-Source Apache Tomcat is an …
Using MySQL with Ruby on Rails App on Ubuntu 21.04
Ruby is a powerful programming language. It’s an interpreted, high-level, and general-purpose language that incorporates multiple programming paradigms. Yukihiro Matsumoto, the creator of Ruby, blended various parts of his favorite programming languages like Perl, Ada, Lisp, Eiffel, Smalltalk, etc., and created Ruby. In his own words, he intended to make Ruby “more natural, not simple”. Much of the popularity of …
Configuring Storage Devices in Linux- Learning to Partition and Format
Introduction There are many situations where you may need a new disk on your Linux system. For the most part, creating a new disk is a straightforward process. However, things can become complicated if you are trying to tinker with partitioning schemes and filesystem formats. To help simplify the process, this tutorial will give you a step by step outline …
Setting Up WordPress With MySQL On Kubernetes With Helm
Kubernetes is now the standard way to deploy applications that are scalable and have high availability. Kubernetes allows developers to quickly bring up and down instances as needed to ensure smooth delivery of content. To learn more about Kubernetes, follow our detailed guide Getting to Know Kubernetes. Helm is a very popular package manager that is used to install applications …
How to Configure Automatic Deployment with Git with a VPS
Git is the most popular version control system in the field of software development. It’s open-source and actively maintained since 2005 by Linus Torvalds, the famous creator of Linux. Today, a staggering number of software projects (including commercial ones) use Git for version management. Git follows a distributed architecture, making it a perfect example of a DVCS (Distributed Version Control …