How to Generate A Certificate Signing Request on Ubuntu 14.04 Trusty LTS Easy Guide

Generate SSL CSR on Ubuntu 14.04 LTS

Hi! The Tutorial shows you Step-by-Step How to Generate a SSL Certificate Signing Request (CSR) on Ubuntu 14.04 Trusty Tahr LTS Linux Desktop/Server.

Whether you are getting a Certificate from a CA or Generating your own self-signed certificate, the First, Step is to generate a Key.

If the certificate will be used by service daemons, such as Apache, Postfix, Dovecot, etc, a Key Without a Passphrase is often Appropriate.

Not having a passphrase Allows the Services to Start Without Manual Intervention, usually the preferred way to start a daemon.

1. Login into Shell.

   Or Open a Command Line Terminal Window
   (Press “Enter” to Execute Commands)
   
   Ctrl+Alt+T

   

   In case first see: Terminal QuickStart Guide.

2. Generate an OpenSSL Secure Key for CSR.

   openssl genrsa -des3 -out server.key 2048

   Enter a Passphrase (Leave Empty if Used on a Web Server.).

3. Generate an OpenSSL Insecure Key for CSR.

   openssl rsa -in server.key -out server.key.insecure

   You use as Input the Secure to get as Output the Insecure one…

4. Shuffle the Key Names.

   mv server.key server.key.secure

   mv server.key.insecure server.key

5. Create the CSR.

   openssl req -sha256 -new -key server.key -out server.csr

   You will be Prompted to Enter the Secure Key Passphrase.

   Then Enter the Needed Data: Company Name, Site Name, Email Id…

6. How to Generate your Own CA Signed Certificate.

   Generate SSL Signed Certificate for FREE

   Self CA Signed Certificate