map() is a built-in function in Python that applies a function to all elements in a given iterable. It allows you to write simple and clean code without using loops. Python map() Function # The map() function takes the following form: map(function, iterable, …) It accepts two mandatory arguments: function – Function that is called
Make Linux Great Again
How to Install Vagrant on Debian 10
Vagrant is a an open-source tool for building and managing virtual machines. Generally, Vagrant is used by developers to set up a development environment that works across multiple operating systems. In this tutorial, we will show you how to install Vagrant on Debian 10. Prerequisites# Virtualbox should installed on your Debian 10 system. You must
How to Install Gradle on Ubuntu 20.04
Gradle is a general-purpose tool used to build, automate, and deliver software. It is primarily used for Java, C++, and Swift projects. Gradle combines the best features of Ant and Maven. Unlike its predecessors, which use XML for scripting, Gradle uses Groovy, a dynamic, object-oriented programming language for the Java platform to define the project
How to Install Apache Maven on Debian 10
Apache Maven is a very useful open-source project management tool based on POM (project object model). Primarily, it is used to manage Java projects and manage a project’s build, reporting, and documentation. This tutorial show you how to install and configure Apache Maven on Debian 10. Prerequisites# Before starting installation, ensure that you are logged
How To Set Up Nginx Server Blocks on Ubuntu 20.04
A server block is an Nginx directive that defines settings for a specific domain, allowing you to run more than one website on a single server. For each website, you can set the site document root (the directory which contains the website files), create a separate security policy, use different SSL certificates, and much more.
Secure Apache with Let’s Encrypt on Ubuntu 20.04
Let’s Encrypt is a certificate authority created by the Internet Security Research Group (ISRG). It provides free SSL certificates via a fully automated process designed to eliminate manual certificate creation, validation, installation, and renewal. Certificates issued by Let’s Encrypt are valid for 90 days from the issue date and trusted by all major browsers today.
How to Install Steam on Ubuntu 20.04
Steam is a cross-platform entertainment platform developed by Valve Corporation for purchasing and playing video games. It gives you access to thousands of games and allows you to meet new people. This article explains how to install the Steam client on Ubuntu 20.04. Prerequisites # You’ll need to be logged in as a user with
Sysctl Command in Linux
As a Linux system administrator, sometimes you may need to modify the default kernel’s behavior. For example, you may need to enable the magic SysRq key or to increase the number of connections that Kernel will accept. The kernel parameters can be set when building the kernel, on system boot, or at runtime. This article
How to Install OpenCV on Ubuntu 20.04
OpenCV (Open Source Computer Vision Library) is an open-source computer vision library with bindings for C++, Python, and Java and supports all major operating systems. It can take advantage of multi-core processing and features GPU acceleration for real-time operation. OpenCV is used for a wide range of applications, including medical image analysis, stitching street view
How to Install Elasticsearch on Ubuntu 20.04
Elasticsearch is an open-source distributed full-text search and analytics engine. It supports RESTful operations and allows you to store, search, and analyze big volumes of data in real-time. Elasticsearch is one of the most popular search engines powering applications that have complex search requirements such as big e-commerce stores and analytic applications. This guide explains