Install nginx and configure ssl

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1. Install and Configure Nginx

sudo yum install nginx -y            # RHEL/CentOS
sudo systemctl enable nginx
sudo systemctl start nginx

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2. Deploy Self-Signed SSL Certificate

Move the cert and key to /etc/ssl/certs/ and /etc/ssl/private/ (or similar depending on your distro):

sudo mkdir -p /etc/ssl/private
sudo mv /tmp/nautilus.crt /etc/ssl/certs/
sudo mv /tmp/nautilus.key /etc/ssl/private/
sudo chmod 600 /etc/ssl/private/nautilus.key

Now configure Nginx to use SSL. Edit the default server block (usually in /etc/nginx/nginx.conf or /etc/nginx/conf.d/default.conf):

server {
    listen 443 ssl;
    server_name localhost;

    ssl_certificate /etc/ssl/certs/nautilus.crt;
    ssl_certificate_key /etc/ssl/private/nautilus.key;

    root /usr/share/nginx/html;
    index index.html;

    location / {
        try_files $uri $uri/ =404;
    }
}

Don’t forget to also stop the default HTTP listener on port 80 if you don’t need it.

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3. Create the index.html

echo "Welcome!" | sudo tee /usr/share/nginx/html/index.html

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4. Restart Nginx

sudo systemctl restart nginx

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5. Test from Jump Host

From the jump host, test the HTTPS endpoint:

curl -Ik https://<app-server-ip>/

If successful, you should see a 200 OK in the HTTP response headers along with the SSL handshake.

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Let me know if you'd like to redirect HTTP to HTTPS or harden the SSL setup—I’ve got tips for that too. 🚀