Install Apache2 to Configure HTTP Server.
Install Apache2.
root@www:~# apt -y install apache2
root@www:~# vi /etc/apache2/conf-enabled/security.conf
# line 12 : changeServerTokens Prod
root@www:~# vi /etc/apache2/mods-enabled/dir.conf# add file name that it can access only with directory's nameDirectoryIndex index.html index.htm
root@www:~# vi /etc/apache2/apache2.conf# line 70 : add to specify server nameServerName www.worldcm.net
root@www:~# vi /etc/apache2/sites-enabled/000-default.conf# line 11 : change to webmaster's emailServerAdmin webmaster@worldcm.net
root@www:~# systemctl restart apache2
[3]Access to [http://(your server's hostname or IP address)/