I can't execute php artisan serve on linux

Question

Whenever i try to execute php artisan serve command i get this error

PHP Warning: require(/home/mehdi/laravelOrig/vendor/autoload.php): failed to open stream: No such file or directory in /home/mehdi/laravelOrig/artisan on line 18

PHP Fatal error: require(): Failed opening required '/home/mehdi/laravelOrig/vendor/autoload.php' (include_path='.:/usr/share/php') in /home/mehdi/laravelOrig/artisan on line 18

I did try some answers i found on google and here but it still wont work , am I missing something ? Thank you!

Answer 1

First of all install composer on your system and type following command.

1) goto your project directory from command line
2) composer update 
3) php artisan serve.