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The Certbot utility automates all processes involved in obtaining and installing a TLS/SSL certificate. It works directly with the free Let’s Encrypt certificate authority to request (or renew) a certificate, prove ownership of the domain, and install the certificate on Apache, NGINX, or other web servers.
This guide provides instructions on using the open source Certbot utility with the Apache web server on CentOS 7 and RHEL 7.
This guide provides instructions on using the open source Certbot utility with the Apache web server on CentOS 8, AlmaLinux 8, and Rocky Linux 8.
This guide provides instructions on using the open source Certbot utility with the Apache web server on Debian 10 and 9.
This guide provides instructions on using the open source Certbot utility with the Apache web server on Fedora.
This guide provides instructions on using the open source Certbot utility with the NGINX web server on CentOS 7 and RHEL 7.
This guide provides instructions on using the open source Certbot utility with the NGINX web server on CentOS 8, AlmaLinux 8, and Rocky Linux 8.
This guide provides instructions on using the open source Certbot utility with the NGINX web server on Debian 10 and 9.
This guide provides instructions on using the open source Certbot utility with the NGINX web server on Fedora.
Understanding the TLS Protocol The Transportation Layer Security protocol (TLS) is a widely-deployed method to protect and encrypt telecommunications.
This guide provides instructions on using the open source Certbot utility with the Apache web server on Ubuntu 20.
This guide provides instructions on using the open source Certbot utility with the NGINX web server on Ubuntu 20.
Before You Begin Familiarize yourself with our Getting Started guide and complete the steps for setting your Linode’s hostname and timezone.
What is Certbot? Certbot is a tool that automates the process of getting a signed certificate via Let’s Encrypt to use with TLS.
What is a Self-Signed TLS Certificate?
If you intend to host a publicly accessible website which will use HTTPS, then you will want to install a commercially signed TLS certificate so people visiting your site don’t get warnings in their browser about an unsafe connection.
Let’s Encrypt is an SSL certificate authority managed by the Internet Security Research Group (ISRG).
This guide will show you how to enable SSL to secure websites served through Apache on CentOS or Fedora.
This guide shows you how to enable SSL to secure websites served through Apache on Debian and Ubuntu.
This guide will assist you with enabling SSL for websites served under the Apache web server.
This guide explains the creation of a self-signed SSL certificate, suitable for personal use or for applications used internally in an organization.
If you’re generating your own SSL certificates, you may wish to create a certificate that is valid for multiple DNS names.
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