Category

How-To Guides

50 task-focused guides covering the full lifecycle of certificate management, across every major server platform and format.

Generate a CSR the Right Way

Your Certificate Signing Request determines what the certificate authority can actually issue — get it right first.

Install an SSL Certificate on cPanel

Where the certificate, private key, and CA bundle actually go — and the AutoSSL alternative.

Fix "Your Connection Is Not Private" Errors

Six causes, ranked by how often they're actually the problem.

How to Renew an SSL Certificate the Right Way

Renewal looks simple until you account for validation, installation, and the reload step people skip.

How to Convert Certificate Formats (PEM, DER, PFX/P12, JKS)

Four formats, the same underlying data, and the exact OpenSSL command for every conversion between them.

How to Set Up Automatic Certificate Renewal With Certbot and Cron

The setup that makes certificate expiry a permanently solved problem instead of a recurring task.

How to Install an SSL Certificate on Nginx From Scratch

From a bare server block to a fully working, redirecting, hardened HTTPS site.

How to Install an SSL Certificate on Apache From Scratch

The Apache equivalent, module by module, from a plain HTTP VirtualHost to a working HTTPS site.

How to Set Up SSL for a Docker/Containerized Application

Where the certificate actually belongs in a container architecture — and where it usually shouldn't.

How to Secure a Database Connection With TLS

Your website's padlock protects visitors. This is the encryption that protects the connection behind it.