Control Panel or admin dashboard not found

As @user suggested, Just create a virtual host by following the below mentioned steps.

Complete Article : Virtual Host

1. sudo cp /etc/apache2/sites-available/000-default.conf /etc/apache2/sites-available/craftcms.local.conf

2. sudo nano /etc/apache2/sites-available/craftcms.local.conf

3. Paste the below lines in above file (craftcms.local.conf)

    <VirtualHost *:80>
           ServerName craftcms.local
           ServerAdmin webmaster@localhost
           DocumentRoot /var/www/html/craftcms/web/
           ErrorLog ${APACHE_LOG_DIR}/error.log
           CustomLog ${APACHE_LOG_DIR}/access.log combined
   
           <Directory /var/www/html>
                    Options Indexes FollowSymLinks MultiViews
                    AllowOverride ALL
                    Require all granted
           </Directory>
   </VirtualHost>
   
   # vim: syntax=apache ts=4 sw=4 sts=4 sr noet
   

4. sudo a2ensite craftcms.local.conf

5. sudo service apache2 restart

6. sudo nano /etc/hosts

   add a new hosts at the end of this file like 127.0.0.1 craftcms.local

7. Open your browser and hit craftcms.local frontend and craftcms.local/admin for admin