Looking for logging into the Laravel 5.4 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Laravel 5.4 site. After that you can login as usual with your login credentials.
https://laravel.com/docs/5.7/authentication
https://sujipthapa.co/blog/laravel-54-login-with-username-or-password
http://www.forosdelweb.com/f68/laravel-5-4-login-1159210/
https://medium.com/@juanrincn/laravel-5-5-5-4-5-3-iniciar-sesi%C3%B3n-con-nombre-de-usuario-o-email-con-el-mismo-input-campo-6ed6ea2c1579
https://es.stackoverflow.com/questions/57439/login-middleware-web-y-auth-laravel-5-4
https://stackoverflow.com/questions/44881034/laravel-5-4-show-error-message-auth-login-when-user-is-not-active
https://laravel.io/forum/05-23-2017-how-to-auth-with-laravel-54
https://scotch.io/tutorials/user-authorization-in-laravel-54-with-spatie-laravel-permission
https://ysk-override.com/Multi-Auth-in-Laravel-54-Login-20170203/
https://laracasts.com/series/laravel-from-scratch-2017/episodes/17
https://github.com/jeremykenedy/laravel-auth
https://www.groloop.com/laravel-5-4-6-sistema-autenticacion-usuarios/
https://appdividend.com/2017/07/12/laravel-facebook-login/