How To Secure Nginx with Let's Encrypt on Ubuntu 14.04

How To Secure Nginx with Let's Encrypt on Ubuntu 14.04

How To Secure Nginx with Let's Encrypt on Ubuntu 14.04

Secure your Nginx server with a free SSL certificate from Let's Encrypt on Ubuntu 14.04 with this tutorial.

Step 1: Install Certbot

First, install Certbot, a tool for obtaining and renewing SSL certificates from Let's Encrypt:

sudo apt-get update
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:certbot/certbot
sudo apt-get update
sudo apt-get install python-certbot-nginx

Step 2: Configure Nginx

Edit your Nginx configuration file to enable SSL:

sudo nano /etc/nginx/sites-available/example.com

Add the following lines to the server block:

listen 443 ssl;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 5m;

Save the file and exit.

Step 3: Obtain the SSL Certificate

Use Certbot to obtain the SSL certificate:

sudo certbot --nginx -d example.com -d www.example.com

Follow the prompts to complete the process. Certbot will automatically configure Nginx with the SSL certificate.

Step 4: Test SSL

Test your SSL configuration:

sudo nginx -t
sudo systemctl reload nginx

Visit your website using HTTPS to confirm that the SSL certificate is working.

Step 5: Automate Certificate Renewal

Let's Encrypt SSL certificates expire every 90 days. To automate the renewal process, add a cron job:

sudo crontab -e

Add the following line to the file to renew the certificate every 60 days:

0 0 */60 * * /usr/bin/certbot renew --quiet

Save the file and exit. Certbot will automatically renew the SSL certificate when it's due to expire.

Keywords: Nginx, Let's Encrypt, Ubuntu 14.04, SSL, Certbot, SSL Certificate, HTTPS, Cron job, Renewal

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