Author: Rahul

I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..

Postman is the large scale collaboration platform for the API development. It is used by the million’s of developers across the world including tech companies. A snapcraft package of postman is officially build the official team. The snap packages provides an efficient way of packaging and deployment of application on multiple Linux operating systems. This tutorial will help you to install Postmap on Ubuntu 18.04 Linux system. Prerequisites Login to your Ubuntu 18.04 LTS system with sudo privileged account. Install Postman on Ubuntu 18.04 Postman snap package is available on the snapcraft. You must have snapd service installed on your…

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If you’re a system administrator, you know how important it is to keep an eye on the processes running on your Windows system. Sometimes, you may need to find out which process is listening on a particular port. In this article, we’ll show you how to do that using both CMD and PowerShell. By learning how to identify the process listening on a port, you can troubleshoot network-related issues more effectively and take necessary actions to fix them. Method 1. Using Command Prompt Use the following command to find out the process id (PID) listening on port 80. You can…

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Q. How do I remove a specific element from an array using PHP. In this tutorial, you will learn two PHP unset() and array_splice() methods to remove specific array elements. Using PHP unset() Function Use the PHP unset() function to delete an element from an array. Basically it is used to unset any variable in PHP. This function accept variable as argument and unset it. Example:

Output: array(“a” => “Apple”, “c” => “Cat”) Another Example:

Output: Array ( [0] => 1 [1] => 2 [2] => 3 [4] => 5 ) You can see the result array is…

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An array is a data structure that contains a group of elements. Typically these elements are all of the same data type, such as an integer or string but in the case of JavaScript, we can store different types of elements. Using arrays you can organize data so that a related set of values can be easily sorted or searched. This tutorial described to you to remove duplicate array elements using JavaScript. Example Here is a sample JavaScript program to declare a static array with few default elements. Add some duplicate elements as well. After that, remove all the duplicate…

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Angular is a popular web application development framework that is widely used by developers worldwide. The framework is constantly evolving, with new features and functionalities being added in every release. As a developer, it is essential to keep up with the latest version of Angular to ensure that your application is using the latest features, and to stay up-to-date with any security fixes or bug patches. In this article, we will explain how to check the Angular version of your application and the Angular CLI version installed on your system. We will guide you through the steps to check the…

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Python is an object-oriented, high-level programming language. It is open-source with a large community. Python is used as a key language among the top tech companies like Google. The Python 3.9 stable version has been released with several improvements and security updates. It included multiple new modules, improved existing modules, and many other features. You can choose deadsnakes PPA for Python installation on Ubuntu 20.04 system. Use this tutorial to install Python 3.9 On Ubuntu 20.04 LTS Linux system via Apt-Get. You can also choose the second method to install Python using source code. Prerequisites Login to your Ubuntu system…

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Opera is a Chromium-based multi-platform web browser developed by Opera Software. It have multiple features similar to the Google chrome as both are developed on Chromium. You will get a new looks and multiple different features that other browsers, which makes it more powerful. The Opera browser is available under the Snapcraft packages. Also the Opera team provides an PPA for installing Opera on Ubuntu systems. This tutorial help you to install Opera web browser on Ubuntu 18.04 (Bionic) LTS Linux system. Prerequisites A running Ubuntu 18.04 system with Desktop Shell access to system with sudo privileged user Installing Opera…

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The Linux system uses a package manager tool with central repositories like Apt, Yum etc. Which is the traditional way for the applications installation on any Linux system. Some of the application comes with extension .appimage. It may be, you are not much aware about these files. In this tutorial you will learn about the AppImage file. Also you will found details to how to install and use AppImage files on a Linux machine. What is the AppImage ? AppImage is a universal software package format, that can be run on most of the Linux system without installation. It is…

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Elasticsearch is a highly scalable, open-source full-text search and analytics engine. It is built on Apache Lucene and allows users to store, search, and analyze large volumes of data quickly and in near real-time. In this article, we will guide you through the process of installing and configuring Elasticsearch on a Fedora system. Prerequisites A Fedora system Sudo or root privileges Basic knowledge of terminal commands Step 1: System Update Before installing any package, it is recommended to update your system’s package repository. Open a terminal and execute the following command: sudo dnf update -y Step 2: Install Java Elasticsearch…

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Python is an object-oriented, high-level programming language. It is open-source with a large community. Python is used as a key language among the top tech companies like Google. The latest stable version Python 3.9 is out with several improvements and security updates. It included multiple new modules, improved existing modules and many other features. This tutorial will help you to install Python 3.9 on Ubuntu 18.04 LTS system. This method will use Python’s source code for the installation. Follow the below tutorial and choose one method to install Python 3.9. Both the methods are tested with the latest Ubuntu 18.04…

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