Install EPEL repository

sudo dnf install -y epel-release

Install Snap service

sudo dnf install -y snapd

Enable and start Snap service

sudo systemctl enable --now snapd.socket

Create shortcut

sudo ln -s /var/lib/snapd/snap /snap

Install certbot

sudo snap install --classic certbot

Create shortcut

sudo ln -s /snap/bin/certbot /usr/bin/certbot

Install mod_ssl

sudo dnf install -y mod_ssl

Generate SSL

sudo openssl req -new -x509 -days 365 -nodes -out /etc/pki/tls/certs/localhost.crt -keyout /etc/pki/tls/private/localhost.key

Run Certbot

sudo certbot

Restart httpd service

sudo systemctl restart httpd

Add service to Firewall

sudo firewall-cmd --permanent --add-service=https

Reload Firewall service

sudo firewall-cmd --reload

Create Crontab

sudo crontab -e

Crontab content

# Run at 3AM on the 1st of every month
0 3 1 * * /usr/bin/certbot renew --quiet --deploy-hook "systemctl reload httpd && systemctl reload dovecot"