Answers for "Key path "file:///var/www/html/ticketingSystem/storage/oauth-private.key" does not exist or is not readable"

storage/oauth-private.key\" does not exist or is not readable

php artisan passport:install

Key path "file:///home/user/projectname/storage/oauth-public.key" does not exist or is not readable

#Install passport
composer require laravel/passport

#Register the service provider in config/app.php
Laravel\Passport\PassportServiceProvider::class,

#Run the migrations
php artisan migrate

#Generate key
php artisan passport:install