How to Install Let's Encrypt SSL Certificate on Ubuntu 22.04?

By Hardik Savani October 30, 2023 Category : Ubuntu

Hi Developer,

In this comprehensive tutorial, we will learn how to install let's encrypt ssl certificate on ubuntu 22.04. We will look at an example of how to install let's encrypt ssl on ubuntu 22.04. I would like to show you ubuntu 22.04 let's encrypt ssl. This post will give you a simple example of let's encrypt ssl ubuntu 22.04. follow the below step for ubuntu install Let’s Encrypt & certbot.

To install Let's Encrypt SSL certificates on Ubuntu 22.04 with Nginx, follow these step-by-step instructions:

Step 1: Update Your System

Before you begin, make sure your Ubuntu system is up to date:

sudo apt update

sudo apt upgrade

Step 2: Install Nginx

If you don't have Nginx installed, you can do so using the following command:

sudo apt install nginx

After the installation is complete, start Nginx and enable it to start at boot:

sudo systemctl start nginx

sudo systemctl enable nginx

Step 3: Install Certbot

Certbot is a tool provided by Let's Encrypt to manage SSL certificates for your web server. Install Certbot and the Nginx plugin with the following command:

sudo apt install certbot python3-certbot-nginx

Step 4: Obtain and Install SSL Certificate

Now, you can use Certbot to obtain and install the SSL certificate for your domain. Replace `your_domain.com` with your actual domain name:

sudo certbot --nginx -d your_domain.com

Certbot will ask you a series of questions, including an email address for renewal reminders and agreeing to the terms of service. Follow the prompts to complete the certificate issuance process.

Step 5: Configure Nginx to Use the SSL Certificate

Certbot will automatically configure Nginx to use the SSL certificate for your domain. You can check the Nginx configuration by running:

sudo nginx -t

If there are no errors, reload Nginx to apply the changes:

sudo systemctl reload nginx

Step 6: Automatic Certificate Renewal

Let's Encrypt certificates are typically valid for 90 days, so it's important to set up automatic renewal. Certbot already creates a systemd timer for this purpose.

To test the renewal process, you can use the following command:

sudo certbot renew --dry-run

This command will simulate the renewal process. If it runs without errors, the automatic renewal should work as expected.

Step 7: Verify SSL Configuration

You can use online tools like SSL Labs' SSL Server Test to verify your SSL configuration:

- Go to https://www.ssllabs.com/ssltest/

- Enter your domain name (e.g., `your_domain.com`) and click "Submit."

This tool will provide a detailed report of your SSL configuration and security.

That's it! You've successfully installed Let's Encrypt SSL certificates on your Ubuntu 22.04 Nginx server. Your website should now be accessible over HTTPS with a valid SSL certificate.

I hope it can help you...

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