Problem with index.php

Hello ,

I work on local wamp in my config I use index.php is it works, but when I put the project on ubuntu with an apache server I just access the controller by default I can no longer go in other Pages !!

CodeIgniter 3
Pleaaase help

Did you update the config file to set the base_url from your local dev domain to match the live domain?

PHP Code:

$config['base_url'] = 'https://livedomain.com/';