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Certificate Management

Certificate Management

Certificate Management

Certificate Management

Certificate Management

Certificate Management

Certificate Management

Certificate Management

Certificate Management

Certificate Management

Introduction

TLS certificate management is a critical operational responsibility. Expired certificates cause service outages, security warnings, and loss of user trust. Modern certificate management leverages the ACME protocol and Let's Encrypt to automate issuance and renewal at scale.

Let's Encrypt

Let's Encrypt is a free, automated, and open certificate authority (CA) that provides DV certificates trusted by all major browsers.

Install Certbot (Let's Encrypt client)

sudo apt install certbot python3-certbot-nginx

Obtain certificate with webroot authentication

sudo certbot certonly --webroot \

-w…