how to remove index php from yii2 and apache2

1#paste this in your terminal
2sudo a2enmod rewrite
3sudo service apache2 restart
4
5
6#add the line below to /etc/apache2/sites-enabled/000-default.conf
7
8<Directory /var/www/html>
9   AllowOverride All
10</Directory>
11
12#create file .htaccess within web dir, paste the lines below into the file
13
14<IfModule mod_rewrite.c>
15  RewriteEngine On
16  RewriteBase /
17  RewriteRule ^index\.php$ - [L]
18  RewriteCond %{REQUEST_FILENAME} !-f
19  RewriteCond %{REQUEST_FILENAME} !-d
20  RewriteRule . /index.php [L]
21</IfModule> 
22