Installation of Angular on Ubuntu

Written by promotiondept

April 20, 2021

Installation of Angular on Ubuntu Angular is an Open source and TypeScript-based modern framework which is usually used to develop Front end Single page Applications (SPAs) and PWAs. Angular is the updated version of AngularJS by the same team at Google.   With respect to programming, there is a huge difference in both versions. AngularJS is commonly used with JavaScript whereas Angular is mostly used with TypeScript.  […]

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Installation of Angular on Ubuntu

Angular is an Open source and TypeScript-based modern framework which is usually used to develop Front end Single Page Applications (SPAs) and PWAs. Angular is the updated version of AngularJS by the same team at Google.  

With respect to programming, there is a huge difference in both versions. AngularJS is commonly used with JavaScript whereas Angular is mostly used with TypeScript. 

This article s to summarize on how can install Angular CLI on r Ubuntu platform and use it to create real-life Angular Applications / . 

This blog will cover the process steps of Angular installation on the Ubuntu platform. By the end of the blog, will learn about – 

Pre-requisites 

must be aware of the basics of web programming like HTML, CSS, and JavaScript(otherwise we strongly recomlearning those first before getting into this). Also, this article assumes that are familiar with terms like Node/NPM. 

Audience 

This cut can be referred by anyone who wants to install latest Angular version on Ubuntu 16.04. 

In order to continue, must have —  

System requirets

PS: While working with Angular, knowledge of TypeScript is good to have, but not mandatory

A brief note on Node.js 

We are required to install Node.js because it acts as a lightweight server to run Angular applications. (If already installed, skip this part and jump to the next part of this blog.) 

Node.js is again an open-source and cross-platform JavaScript run-time environt that allows to execute the JavaScript code outside of a browser (on the Server-side). Node.js is responsible for managing and installing all npm dependencies for r Angular application. It provides all the required libraries to run the Angular project. Node.js acts as a run-time environt for any Angular application with servers over localhost. For more information on Node.js refer the official docs. 

Any Angular application requires the latest/stable version of Node.js in order to continue. Go to the official website in order to learn more about how to install Node.js on Ubuntu OS machine. 

There is more than one way to install Node.js on Ubuntu. can install it via command line, via PPA (personal package arce), or via NVM (which is Node.js Version Manager) 

can install any version current or latest stable version as per r need. In this blog, we learn how to install using Command-Line with the below gen commands: 

curl –sL su -E bash – 

here setup_12.x is the version, and this command will add the node resource repo into r Ubuntu OS. Now, let’s install Node.js using apt command, by running the below command —  

Once installed completely, you can verify that the Node.js and npm versions are installed by using the following command in a terminal/console winw. — 

or 

Node.js serves as the Runtime environt for the applicationSimilarly, NPM(node package manager) is used as a dependency managet tool for any JavaScript application. NPM will allow us to install the libraries required for any Angular application; for example, jQuery, angular-router, angular-http, bootstrap, and many more. 

can explore a number of packages available in the npm store here. 

Note: Once  have installed Node.js it will automatically install NPM on r machine. You can check the version installed using the below command. 

In the inil days of Angular, developers used to create whole architecture, webpack files, build process, etc for any project on their own from scratch, which is quite a time-consuming and lengthy process. To make it easier for the developer, the Angular team come up with an easy-to-use tool Angular CLI. 

As the name suggests CLI (command line interface), provides a user (developer) friendly interface where can run commands to make r developt life easier and faster. 

Angular CLI comes with a number of commands from creating a new project, to creating components, creating a routing configuration file, services, and many more.

To install the Angular CLI on r machine, open the terminal winw and run the following command: 

where -g denotes that CLI is being installed globally to r machine, which means can create or run any command of CLI anywhere on r machine. Once run the above command CLI will be installed on r machine, and  can verify the version installed using the following command: 

In case want to install some specific version of Angular CLI, can run the below command —  

where `x` represents the Version number. You can change it to any valid version number. 

For more commands of Angular CLI, can refer to this blog which contains a number of commands to use.

Moving on, let’s create our first ever Angular project using Angular CLI. Open r terminal winw and type the command below on r machine. 

Here ng is our CLI prefixnew denotes the new project we are creating and hello-world is our project name. can choose any name want. 

After running this command,  will find the architecture of the project in the directory where run this command. The project folder will be like what is shown below –Installation of Angular on Ubuntu

The first file to render on running this application will be index.html which is present in the src folder. 

For more details about components/services and source code can explore this link. 

Run the application 

have completed the installation process of the Angular application via CLI, and now its time to run the application locally. As I said, Angular CLI comes with a complete tool-chain/commands for the developt of front-end applications on r machine. 

Run the following command on the terminal (Navigate to the project directory if are not in that directory) 

or 

The –open (or just -o) option automatically opens browser to  

ng serve command will serve r application on localhost server which can check by navigating to r browser with the below URL

Once compiled successy, r terminal winwill look like below -Installation of Angular on Ubuntu

can customize the port as per r requiret by running the below command —  

Accessing Angular Web Interface 

ng serve command may take few seconds to run r application. Once completed, should see a web page similar to the following

ng serve command

And it’s done! 

Now can make changes in the default component’s template which is app.component.html  

Also, moving forward can generate number of components/service/routing files using CLI commands as per r requirets and keep learning. 

There are cases when  would need to uninstall Angular-CLI from r operating system. You can so by running this below command on r terminal –  

It’s always recomded to run the command npm cache clean after uninstallation of Angular CLI from r system in order to avoid unwanted errors while installing it again. If have any questions/ubts related to this blog, please let us know in the comt box below, and we would be more than happy to out.  If have read this far, feel free to share this blog on social media or tweet about it.  

Conclusion 

In this blog have learned about what is Node/NPM and how can install and use it.  have understood what is Angular CLI, and how can use it after installing it on r Ubuntu Platform. Then we have created a new angular project from scratch using CLI command, and learnt how to run it. Now have basic hands-on Angular application knowledge which can use to start developing more applications. 

  • Installing Node/npm package on Ubuntu 
  • Installation and Usage of Angular CLI globally 
  • Commands of Angular CLI 
  • Creating an inil workspace for the application 
  • Running the Angular application in Browser
  • Ubuntu OS Machine 
  • Good Internet Connection 
  • Admin/Su access with installation prileges where can install any packages freely. 
  • src folder contains Source files for the root-level application project. 
  • assets folder contains all the static assets like images, fonts, etc. 
  • node_modules This folder is created while run npm installed by package manager (npm) and it contains all the project dependencies or any third party modules required for the project. 
  • e2e folder contains all the source code related to Test Cases, and  can customize it as per r requirets. 
  • REA.md file is being used as cutation for the app. 
  • Package.json configures npm dependencies that are available to the project in the workspace along with their versions specified. 

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