CentOS

yum install httpd

yum install mod_ssl openssl

Ubuntu

apt-get install apache2

a2enmod ssl

a2ensite default-ssl

systemctl reload apache2

enable php

apt install php

apt install libapache2-mod-php

a2enmod php

systemctl restart apache2

config.d

<VirtualHost *:443>
DocumentRoot "/var/www/html"
ServerName intbird:443

ErrorLog logs/ssl_error_log
TransferLog logs/ssl_access_log

SSLCertificateFile /etc/pki/tls/certs/intbird.crt
SSLCertificateKeyFile /etc/pki/tls/private/intbird_key.key
</VirtualHost>