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In this article, the editor introduces in detail how to install Angular on Ubuntu 18.04. the content is detailed, the steps are clear, and the details are handled properly. I hope this article "how to install Angular on Ubuntu 18.04" can help you solve your doubts.

Angular is a framework for building client applications using HTML,CSS and JavaScript / TypeScript. Angular can increase the reusability of code, make applications easier to test, and enable modular development.

Installation method:

1. Install nodejs sudo apt-get install nodejs sudo ln-s / usr/bin/nodejs / usr/bin/node node-v / / View version number problem 1:node could not download grpc error

Problem 1 solution:

Npm install-- save @ google-cloud/vision2. Install npm sudo apt install npm npm-v / / to see if the version number has been successfully downloaded and upgraded to the latest version

Npm install-g npm downloads the specified version

Npm-g install npm@x.x.x problem 1: permission problems with npm install permission denied

Problem 1 solution: it is solved by adding the sudo prefix. But did not fundamentally solve the problem, should change the authority to execute the file, I am really too lazy … So remember to add sudo every time you use npm install.

Question 2: my npm version is too high, the dependency package is not complete, when using npm install crazy error, tried to modify the configuration file and downgrade are invalid.

Solution to problem 2: use cnpm instead of npm.

/ / download cnpm npm install-g cnpm-- registry= http://registry.npm.taobao.org / / then use cnpm instead of npm cnpm install xxx / / synchronous download module cnpm sync connect3. Install express sudo npm install express-g / / Global download express sudo npm install express-generator-g / / install Application Generator 4. Set up a website to debug express-v / / check the version number express-e test cd test npm install npm start / / you can open a browser to visit 27.0.0.1 express 3000 / / page is a success 5. Download bower and download the related package sudo npm config set prefix / usr/local sudo npm install-g bower bower-v / check the version number / / download the related package bower install jquery-save bower install angualar-save bower install angular-bootstrap-save bower install angular-route-saveAngular framework-to make life easier for developers.

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