Solve the verification problem when installing laravel with composer

The following tutorial column of composer will introduce to you how to solve the problems that need to be verified when installing laravel with composer. I hope it will be helpful to friends in need!

# Why do I need to verify when installing laravel with composer?

I used the Chinese image source and followed the official composer command.

When installing laravel, the following error occurs. Why? It used to be fine when I installed it on another computer, but now I have a different computer. How to solve this problem?

[www@localhost composer]$ composer global require "laravel/installer"
Changed current directory to /home/www/.config/composer
Using version ^2.0 for laravel/installer
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
                                             
    Authentication required (packagist.phpcomposer.com):
      Username: 
      Password:

Solution:

Fill in your github account password, or change to another source https://packagist.laravel-china.org.

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