Reference i got it from below url
https://www.digitalocean.com/communit...
Commands used
---------------------------------
1 sudo apt update
2 sudo ufw allow "Apache Full"
3 sudo a2enmod ssl
4 sudo systemctl restart apache2
5 sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/apache-selfsigned.key -out /etc/ssl/certs/apache-selfsigned.crt
6 sudo gedit
7 sudo apache2ctl configtest
8 sudo systemctl reload apache2
/etc/apache2/sites-available/000-default.conf
VirtualHost *:443
ServerName localhost
DocumentRoot /var/www/html
SSLEngine on
SSLCertificateFile /etc/ssl/certs/apache-selfsigned.crt
SSLCertificateKeyFile /etc/ssl/private/apache-selfsigned.key
/VirtualHost
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