At first you need to install composer in your machine,
Introduction
Composer is a popular dependency management tool for PHP, created mainly to facilitate installation and updates for project dependencies. It will check which other packages a specific project depends on and install them for you, using the appropriate versions according to the project requirements.
This tutorial will explain how to install and get started with Composer on an Ubuntu 18.04 system.
- sudo apt-get update
- sudo apt install composer
Source here
for bootstrap configure
laravel task management project
For permission any file :
Laravel >= 5.4
php artisan cache:clear
chmod -R 777 storage/
composer dump-autoload