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AWS

DNS CNAME Validation

January 4, 2024

DNS CNAME Validation for SSL Certificates

The article will document how to use the DNS CNAME Validation method to demonstrate control of your domain using DNS, and subsequently automate the SSL certificate approval and issuance process for publicly trusted SSL certificates for your domain. When requesting an SSL certificate from your CA … [Read more...] about DNS CNAME Validation for SSL Certificates

AWS,  SSL Certificates

ssh ec2 instance

November 16, 2023

ssh ec2 instance – How to add an ssh key

The purpose of this article is to demonstrate how to add an ssh key to an existing ec2 instance. If you are reading this then you have likely created an ec2 instance but cannot access it remotely except through the AWS console. It's important to always have a way to ssh into your ec2 instances … [Read more...] about ssh ec2 instance – How to add an ssh key

AWS,  linux,  ssh

aws cli route 53 change

July 17, 2023

AWS CLI Route 53 Change

This article will demonstrate how to create, delete, or change a DNS record in AWS Route 53 with the AWS CLI. In addition, this article will demonstrate how to write a bash wrapper function to wrap the cli commands to help with memorization. If you are anything like me, I would much prefer a … [Read more...] about AWS CLI Route 53 Change

AWS

AWS CLI Route53 Query

June 7, 2023

AWS CLI Route53 Query

The purpose of this article is to demonstrate how to use the AWS CLI Route53 Query functionality to search your DNS managed in Route53. This article will demonstrate two specific types of searches based on a single query parameter. One example for an IP based search and one example for a DNS name … [Read more...] about AWS CLI Route53 Query

AWS,  linux

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Lesson 1 – How TLS and PKI Work

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Lesson 5 – Verify Certificate Chains

Lesson 6 – Creating CSRs with OpenSSL

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Lesson 11 – Common TLS Errors

Lesson 12 – PKI Architecture for DevOps

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