sample:

    ServerAdmin webmaster@localhost

    DocumentRoot /var/www
    
        Options FollowSymLinks
        AllowOverride All                                 <- HERE
    
    
        Options Indexes FollowSymLinks MultiViews
        AllowOverride All                                 <- HERE
        Order allow,deny
        allow from all
    

    ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
    
        AllowOverride None
        Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
        Order allow,deny
        Allow from all
    

    ErrorLog ${APACHE_LOG_DIR}/error.log

    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    LogLevel warn

    CustomLog ${APACHE_LOG_DIR}/access.log combined

    Alias /doc/ "/usr/share/doc/"
    
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.0/255.0.0.0 ::1/128
    

Step 2: Enable module rewrite
command: sudo a2enmod rewrite

Step 3: Restart apache server
command: sudo service apache2 restart

sample .htaccess:

RewriteEngine on
RewriteCond $1 !^(index.php|images|robots.txt)
RewriteRule ^(.*)$ /index.php/$1 [L]

N.B: Don’t forget to press Enter once at the end of the htaccess file.Because Newline represents the end of file.

SELF NOTE