Certbot Ubuntu 18.04 Nginx
Introduction to Certbot in Ubuntu 18.04
Certbot, formerly known as Let’s Encrypt, is an open-source certificate authority (CA) managed by the Internet Security Research Group (ISRG). The purpose of Certbot is to help website owners secure their websites by issuing and managing digital certificates. Certbot is available for Ubuntu 18.04 and serves as an easy-to-use GUI for basic secure web server configuration.
A digital certificate, also known as a public key certificate, is a term used in cryptography to refer to a type of digital document used to prove the identity of the owner. A digital certificate usually contains information such as the name, address, email address, public key, and other information. Certbot enables website owners to quickly and easily generate free digital certificates, which can then be used to secure their servers.
Installing and Configuring Certbot in Ubuntu 18.04
To install and configure Certbot in Ubuntu 18.04, first, update the apt-get package manager and install Certbot using the following commands:
sudo apt-get update sudo apt-get install certbot
Once Certbot is installed, you will need to run the command to obtain a free certificate:
sudo certbot --nginx
The Certbot utility will then prompt you for the domain names for which you would like to obtain a certificate. Enter the domain name (e.g. example.com) for which you would like to obtain a certificate and follow the on-screen instructions. Once you have entered the necessary information, the Certbot utility will generate your certificate and store it in the “/etc/letsencrypt/live” directory.
Certbot also includes a utility to renew certificates, which will be necessary when the certificates that were issued have expired. To renew a certificate, use the following command:
sudo certbot renew
Configuring Nginx to Use Certbot
Now that a certificate has been obtained, Nginx must be configured to use it. To configure Nginx, open the Nginx configuration file by running the following command:
sudo nano /etc/nginx/sites-available/default
Navigate to the server {}
block and replace the existing contents with the following configuration file. Ensure that you replace example.com
with your own domain name.
server {
listen 443 ssl default_server;
listen [::]:443 ssl default_server;
server_name example.com www.example.com;
ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
//rest of your configuration
}
Save and close the file. Then, verify that the syntax of the configuration file is correct by running the following command:
sudo nginx -t
Finally, restart Nginx for the changes to take effect:
sudo systemctl restart nginx
Conclusion
In this tutorial, we have seen how to install and configure Certbot in Ubuntu 18.04 to secure an Nginx web server with free digital certificates. To keep the certificates up to date, you should use the Certbot renew command periodically. For more information, refer to the Certbot documentation at https://certbot.eff.org/docs/.
FAQs
- Q: What is Certbot?
- A: Certbot is an open-source certificate authority (CA) managed by the Internet Security Research Group (ISRG). It helps website owners secure their websites by issuing and managing digital certificates.
- Q: What is the command to install Certbot?
- A: The command to install Certbot is
sudo apt-get install certbot
.
- Q: What is the command to renew a certificate?
- A: The command to renew a certificate is
sudo certbot renew
.
Thank you for reading this article. Please read other articles.
Related Posts:
- Redirect Http To Https Nginx Redirect HTTP to HTTPS Nginx Why Should You Redirect HTTP to HTTPS Nginx? Many website owners are opting to use encrypted connections when delivering content to their visitors as a…
- Ubuntu Ssl Certificate Nginx Error Blocked Ubuntu SSL Certificate Nginx Error Blocked What is Ubuntu SSL Certificate? Ubuntu SSL certificates are digital certificates that provide a secure and encrypted connection between two networks or systems. They…
- Install Rails On Ubuntu Nginx Rbenv Install Rails On Ubuntu Nginx Rbenv Introduction Rails is an open-source web application framework written in Ruby. It is designed to make programming web applications easier by providing a full…
- Nginx Install Ssl Certificate Ubuntu Nginx Install SSL Certificate Ubuntu What is Nginx? Nginx is a free, open-source web server that is used for powering websites. It is popular for its speed, scalability, and stability,…
- Digitalocean Letsencrypt Nginx Ubuntu 18.04 Digitalocean Letsencrypt Nginx Ubuntu 18.04 Introduction Ubuntu 18.04 is the latest version of the popular Linux operating system. Digitalocean is a cloud hosting provider that specializes in hosting and managing…
- Install Nginx In Ubuntu 16.04 Terminal Install Nginx On Ubuntu 16.04 Terminal Nginx (pronounced "engine x") is a lightweight web server that is becoming the most popular way to serve content on the web. It is…
- Install Php5 Nginx Ubuntu 18.04 Install PHP5 Nginx Ubuntu 18.04 Understanding The Basics of Nginx and PHP Before we learn how to install Nginx and PHP on Ubuntu 18.04, it’s important to understand the basic…
- Install Ssl Certificate Ubuntu 18.04 Nginx Install Ssl Certificate Ubuntu 18.04 Nginx Introduction To SSL And Why We Need It SSL (Secure Sockets Layer) is a security technology commonly used on the Internet to securely transmit…
- Install Letsencrypt Debian 9 Nginx Install Letsencrypt Debian 9 Nginx What is Letsencrypt? Letsencrypt is an open source, free, automated SSL service that provides users with the ability to secure their websites and use HTTPS…
- How To Configure Https In Nginx How To Configure Https In Nginx Introduction HTTPS (Hypertext Transfer Protocol Secure) is the most secure and reliable way to communicate on the web. Although HTTP is still the most…
- Err_Ssl_Protocol_Error Nginx Err_Ssl_Protocol_Error Nginx What is an ERR_SSL_PROTOCOL_ERROR? An ERR_SSL_PROTOCOL_ERROR, sometimes referred to as the SSL handshake error, is a browser-level error. It occurs when the browser or other application that uses…
- How To Install Lets Encrypt On Centos 7 Nginx How To Install Lets Encrypt On Centos 7 Nginx Purpose of Lets Encrypt Lets Encrypt is a free and open-source encryption certificate authority that provides digital certificates to website owners…
- Digital Ocean Ubuntu Nginx Docker Digital Ocean Ubuntu Nginx Docker What is Digital Ocean? Digital Ocean is a cloud computing provider. It is a great platform for businesses and developers who need to quickly set…
- Virtual Host Nginx Ubuntu 16.04 Virtual Host Nginx Ubuntu 16.04 Introduction A virtual host (also known as Virtual Private Server or VPS) is a service that allows a single physical server to host multiple websites.…
- Setting Serverblock For Domain Using Nginx On Ubuntu 18.04 Setting ServerBlock For Domain Using Nginx On Ubuntu 18.04 Introduction Nginx is a powerful open-source web server that can be used for serving static, dynamic websites and applications. Nginx is…
- How To Uninstall Let Encrypt On Nginx How to Uninstall Let Encrypt on Nginx Introduction to Let Encrypt and Nginx Let’s Encrypt is a free and open-source Certificate Authority (CA) that provides free certificates to enable secure…
- Ubuntu 16.04 Nginx Ipv6 Ubuntu 16.04 Nginx Ipv6 What is Ubuntu 16.04? Ubuntu 16.04 is a version of the Ubuntu Linux operating system for computers and servers. Ubuntu has been around since 2004, and…
- Certbot Centos 7 Nginx Staging Certbot Centos 7 Nginx Staging: An Easy Step By Step Guide What Is Certbot? Certbot is a free, open-source software tool that allows you to easily obtain digital certificates from…
- Ubuntu 16.04 Nginx-Extras Ubuntu 16.04 Nginx-Extras Introduction to Nginx-Extras on Ubuntu 16.04 Nginx-Extras are a set of extra features for Nginx, such as WebDAV, Secure Token (STS),gzip precompression, and GeoIP. All of these…
- Nginx Multi Domain Centos 7 Nginx Multi Domain Centos 7 Introduction to Nginx Nginx is an open source, high performance web server software written in C language, designed to be deployed on Linux and Unix-like…
- Virtualhost Nginx Ubuntu 16.04 Virtualhost Nginx Ubuntu 16.04 Introduction to Virtualhost Virtualhost is a software configuration option in web servers including Apache, Nginx, and more that allows a web server to host multiple web…
- How To Setup Nginx On Ubuntu How To Setup Nginx On Ubuntu Introduction Nginx is a powerful web server that is very popular among Linux users. It is open-source and comes with great features such as…
- Change Https To Http Nginx Change HTTPS to HTTP Nginx What is Nginx? Nginx (pronounced as "engine-x" is an open-source, high-performance web server created by Igor Sysoev. It is designed to be lightweight and fast,…
- Where To Put Crt File In Nginx Where To Put Crt File In Nginx What Is an SSL Certificate and Why Do You Need It? An SSL certificate is an encryption layer that helps to ensure secure…
- Setup Comodo Positive Ssl Nginx Setup Comodo Positive SSL Nginx Introduction to Comodo Positive SSL Comodo Positive SSL is an encrypted certificate issued by Comodo, a leading provider of security certificates. It helps to make…
- Bash Install Nginx On Ubuntu How To Install Nginx On Ubuntu What is Nginx? Nginx is a web server that is gaining popularity in the world of web hosting. Nginx is an open source web…
- Reinstall Nginx Ubuntu 18.04 Reinstall Nginx Ubuntu 18.04 What is Nginx? Nginx is an open source, high-performance web server application designed to serve web traffic with lightning-fast speed and robust stability. Nginx is one…
- Create Virtual Host Nginx Centos 7 Create Virtual Host Nginx Centos 7 What is a Virtual Host? A virtual host is a server hosting multiple domain names on the same web server. This type of hosting…
- Nginx Curl 58 Error With Ssl Certificate Nginx Curl 58 Error With SSL Certificate What is an SSL Certificate? An SSL (Secure Socket Layer) Certificate is a digital certificate that is used to establish an encrypted connection…
- K8s Ingress Set Nginx Ssl Certificate K8s Ingress Set Nginx Ssl Certificate Overview of k8s Ingress Kubernetes (k8s) Ingress is a powerful way to manage your application traffic. It is an important part of managing your…