John Hanley

Security, software development and devops in a cloud world

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Google Cloud SQL – New Training Videolab

Introduction I watch a lot of training material from all the major education vendors (Pluralsight, Linux Academy, Cloud Academy, A Cloud Guru, and many others). For a long time, I have been wanting to add professional scriptwriting, professional graphics and… Continue Reading →

IBM Cloud – Learning the Basics – Week 1

Part 1: Introduction For several years, I have wanted to learn more about IBM Cloud. Last week, I was at a Google Presentation (I was one of the speakers) on Google Cloud Run, and IBM Cloud Kubernetes was demonstrated. That… Continue Reading →

Google Cloud SQL Proxy – Installing as a Service on GCE

Introduction Google Cloud SQL Proxy provides secure access to Cloud SQL Second Generation instances without having to whitelist IP addresses or configure SSL. Cloud SQL Proxy provides several important benefits: Secure connections: The proxy automatically encrypts traffic to and from the database using TLS… Continue Reading →

Google Cloud Run Deep Dive – Understanding the APIs – Part 2

Introduction This article discusses mapping custom domains for Google Cloud Run Managed. In a future article, I will cover Google Cloud Run on GKE. Google Cloud Run supports using a custom domain rather than the default address provided for a… Continue Reading →

Google Cloud Run Deep Dive – Understanding the APIs – Part 1

Introduction To understand Google Cloud Run, you must peel back the layers and look at the interfaces that the API offers. Understanding the API will provide you with a better understanding of the features and capabilities. If your goal is… Continue Reading →

Google Cloud Platform – Getting Started

Introduction Google Cloud Platform is a suite of cloud computing services. Google has everything from storage, compute, database, big data to AI and everything in between. I am often asked how do I get started with Google Cloud. In this… Continue Reading →

Google Cloud Run – Minimizing Cold Starts

Introduction This article discusses Google Cloud Run cold starts, what they are and how to avoid cold starts. What is Cold Start? Cloud Run is a stateless HTTP serverless container service that provides on-demand services that autoscales to zero instances…. Continue Reading →

Google Cloud – HTTP Load Balancer File Upload Error

Introduction This article is about how to upload files to Compute Engine fronted by a Google HTTP Load Balancer and how to diagnose and correct file upload timeouts. The result is a better understanding of how to configure the Google… Continue Reading →

Google Cloud Shell – CLI in Go

Google Cloud Shell CLI Written in Go This is a placeholder until I write this article. I have published the source code on GitHub. Note: This program is written for Windows. I have not yet ported it to Linux or… Continue Reading →

Security – Key Pairs and Private-Public Keys

Table of Contents Introduction Definitions Example Private & Public Keys OpenSSH Public Keys SSH-2 Public Keys Examining OpenSSH Public Keys Introduction There is a lot of confusion and inaccurate information on the Internet about Key Pairs and Private/Public keys. This… Continue Reading →

Google Cloud Run – Simple File Server in Go

Introduction This article shows how to serve files with Google Cloud Run. There are a few reasons to use Cloud Run instead of Google Cloud Storage. To learn how to deploy a simple file sharing service using Cloud Run. To… Continue Reading →

Google Cloud and Go – My Journey to Learn a new Language in 30 days

Part 1: Introduction Today I decided to learn Go in the next 30 days and document every step of my journey. How well will I know Go in 30 days? That is a difficult question and by logging the steps,… Continue Reading →

Google Cloud Asset Inventory – Reverse Engineering an API

Introduction This article describes a missing item from the articles and documentation on Google Cloud Asset Inventory. The item is the header X-Goog-User-Project. I am writing this article to show how I figured this out, so you have another method… Continue Reading →

Google Cloud Run – Identity

Introduction Sometimes your Google Cloud Run app needs to communicate with or consume other services. This can be a simple as reading an object in Cloud Storage, sending an email, or connecting to a database. What identity does Cloud Run use?… Continue Reading →

Google Cloud Run – Pricing

Introduction Google Cloud Run charges you for the resources you use when you use them. No long running compute instances, just on-demand services. There are several components to Cloud Run services. In this article, we will look at each one…. Continue Reading →

Google Developers Experts – Cloud Platform

Google Experts Program Google has honored me with Google Developers Experts Cloud Platform. I am the twentieth expert in North America. This is a global program to recognize individuals who are experts and thought leaders in one or more Google… Continue Reading →

GitHub – New Public Repository

Starting today, I am copying all of my source code for the articles on this website to GitHub. This will take a week to complete. Today’s article on Cloud Run now has a GitHub repository to make downloads and builds… Continue Reading →

Google Cloud Run – HTTPS – Part 2

Introduction This article discusses HTTP to HTTPS redirection in software. I will show you one method of server-side redirects in Python 3 and Flask. I will start by analyzing the HTTP headers received by a Cloud Run container application and… Continue Reading →

Google Cloud Run – HTTPS – Part 1

Introduction This article discusses HTTP to HTTPS redirection as implemented by Google Cloud Run. Today, all websites should deliver traffic over HTTPS. Google Cloud has adopted this policy providing HTTPS for Cloud Run service URLs with automatic redirects from HTTP to… Continue Reading →

Google Cloud – Backup Bitnami WordPress

Introduction My personal website which covers articles about Google Cloud has been growing both in traffic and content. After I wrote my article Google Professional Cloud Security Engineer Certification, my website lit up with traffic and has continued to grow…. Continue Reading →

Google Cloud – HTTP Load Balancer and IPv6

  Introduction This article covers how to add IPv6 to a load balancer on Google Cloud and create the correct DNS resource records. Google Compute Engine does not support IPv6, so this requires that a Google HTTP Load Balancer (and… Continue Reading →

Google Cloud Run – Getting Started with Python and Flask

Introduction On August 15, 2018, Google released the Alpha release of Google Cloud Run. Many of us saw the potential and went to work learning this new platform. Everything serverless gets our attention. Cloud Run is Google’s entry into serverless… Continue Reading →

Google G Suite – How to Analyze an Email Ransom Demand

Introduction Date created: May 7, 2019 Last updated: May 7, 2019 Today I received an email titled “jhanley@www2.jhanley.com has been hacked, change your password ASAP”. The hacker claims to know my login and password, has full control over my account… Continue Reading →

Google G Suite – Sender Policy Framework – SPF

Gmail stats graphic courtesy Google Security Blog Introduction One of the major problems with email is email spam. Spammers impersonate your identity to send emails that appear to be sent from your email server. This is a major problem that… Continue Reading →

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