Security, software development and devops in a cloud world

Author John Hanley

I design software for enterprise-class systems and data centers. My background is 30+ years in storage (SCSI, FC, iSCSI, disk arrays, imaging) virtualization. 20+ years in identity, security, and forensics.

For the past 14+ years, I have been working in the cloud (AWS, Azure, Google, Alibaba, IBM, Oracle) designing hybrid and multi-cloud software solutions. I am an MVP/GDE with several.

Pyscript: JavaScript Event Callbacks

Introduction Setting up Python event handlers in Pyscript requires special handling. Pyodide provides a proxy so that DOM events can use Python functions as callbacks. To create a proxy, call the pyodide.create_proxy() function [link].

The Python function myFunction is… Continue Reading →

Pyscript: Page Load Time

Introduction I have noticed an interesting anomaly between Pyodide and Pyscript. Pyscript takes about one second longer to load an HTML + Python page than Pyodide. Pyodide averages 2 seconds and Pyscript 3 seconds. Other interesting stats: Downloads: Pyodide downloads… Continue Reading →

PyScript: JavaScript and Python Interoperability

Introduction Pyscript/Pyodide supports excellent interoperability between JavaScript and Python. Python can call JavaScript and JavaScript can call Python. DOM events can use Python functions as callbacks. This article covers Python calling JavaScript functions and how to pass and receive data… Continue Reading →

PyScript: Loading Python Code in the Browser

Introduction Today, you can now use Pyscript to run Python code in the web browser. This has enormous potential for AI, ML, Data Scientists, and regular Python developers. I often develop backend applications in Django and Flask, and the possibilities… Continue Reading →

Impact of Russia/Ukraine on Cloud Developers

Introduction This article is not about politics, government policies, or war. This article is about the companies that provide services and technology to developers located in a country that is being blocked. What is the impact on Russian developers? Basically,… Continue Reading →

GitHub – Create a Self-Hosted Runner – Part 2

Introduction This article is part 2 of my series on GitHub self-hosted runners. In part 1 I created a Hyper-V virtual machine, installed Ubuntu Server 20.04, and set up the GitHub runner. I then tested the runner by creating a… Continue Reading →

GitHub – Create a Self-Hosted Runner – Hyper-V plus Ubuntu

Introduction I am currently writing an article January 2022 – Git and GitHub, which documents my 30-day journey to improve my GitHub skills. As part of this journey, I want to learn GitHub self-hosted runners. This article details how I… Continue Reading →

January 2022 – Git and GitHub

Introduction This article is a personal path to review and improve my Git and GitHub skills at the command line and in Visual Studio Enterprise and Visual Studio Code. My plan is to spend an hour every day on GitHub,… Continue Reading →

PHP 8: Setup PHP_SSH2

Introduction This article describes a problem that I ran into while developing an SSH application with PHP 8.0 on Windows 10 and the solution. [Update 2023-08-01] If you need php_ssh2.dll for PHP 8.2 on Windows/XAMPP, see my repository on GitHub…. Continue Reading →

Ubuntu 20.04 Desktop – Installing and Configuring SSH

Introduction Ubuntu 20.04 Desktop does not include an SSH server preinstalled. In this article, I show how I install OpenSSH, create an SSH keypair, install the keypair Ubuntu for a user and disable password-based SSH logins. I also include a… Continue Reading →

Laravel – Adding Azure Blob Storage

Introduction Recently I decided to deploy a Laravel site so that customers can upload large files privately and securely. Similar to Dropbox but without its bells and whistles. I did not want to share access keys or other secrets. I… Continue Reading →

Azure – OpenID Connect JSON Web Key Set

Introduction For a new project, I must validate Azure Access Tokens in PHP. This requires obtaining the public key to validate the JWT signature. This article shows the process of working with the Azure OpenID Connect Metadata Document to obtain… Continue Reading →

Azure – Setting up a Development Environment for Python

Introduction This article demonstrates how to set up a Windows development system with Python and the Azure SDK for Python. After my article, Azure – Lock a VM to Prevent Deletion, I wrote the Azure CLI equivalent commands in Python…. Continue Reading →

Laravel – GitHub Integration – Part 1

Introduction This article demonstrates backing up an existing Laravel site to GitHub. The next article demonstrates adding a GitHub WebHook to automatically update a Laravel site when you push updates to GitHub. I have many websites in production status. I… Continue Reading →

Azure – Update Network Security Group Rule with my IP Address

Introduction In Azure, I have security group rules that allow access to everything from my public IP address. I have a rule for the office and another for home. For sensitive ports such as SSH and RDP, similar rules are… Continue Reading →

Azure – Lock a VM to Prevent Deletion

Introduction You are busy developing. It is late at night. You decide to delete one of your test virtual machines and recreate it to validate your deployment procedure. You log into the Azure Portal, select a virtual machine and click… Continue Reading →

Azure – Recovering from UFW firewall lockout – Ubuntu

Introduction You have a Ubuntu instance running in an Azure Virtual Machine. You connect to this instance via SSH. One day you decide to enable the UFW firewall and your SSH connection drops. You cannot reconnect. Problem Enabling the UFW… Continue Reading →

What is Amezmo?

What is Amezmo? Amezmo is an excellent platform for .NET Core and PHP applications. Amezmo combines containers, GitHub, and Let’s Encrypt into an amazing platform for deploying applications. Updating your application is as simple as edit, commit and push. GitHub… Continue Reading →

Laravel – Redirecting HTTP to HTTPS

Introduction Once you have an SSL certificate configured, the next step is to redirect unencrypted traffic. There are several methods of doing this. Within your application (Laravel), by the web server (Apache or Nginx) or by the frontend (load balancer)…. Continue Reading →

Laravel – Displaying a GitHub Gist

Introduction Today (June 14, 2021) I answered a question on Stackoverflow regarding the Google Cloud Recommender API that required Python source code. I also created a GitHub Gist to make downloading the code easier. That got me thinking about how… Continue Reading →

WireGuard Introduction

Introduction This article is the first in a series of using WireGuard in the cloud. This article starts by explaining what WireGuard is. Additional articles will demonstrate how to configure WireGuard for both Windows and Ubuntu for the following VPN… Continue Reading →

Terraform – Experiments with Google Cloud DNS and IAM

Introduction I am currently preparing to recertify for the Google Professional Cloud Security Engineer Certification. I previously scheduled the HashiCorp Certified: Terraform Associate on March 29, 2021 at 3 PM. Maybe I will take both exams on the same day…. Continue Reading →

Google Professional Cloud Security Engineer Recertification

This article is a journal of my path to take the Google Professional Cloud Security Engineer Recertification. I plan to track my progress, resources and post exam tips. Date created: March 2, 2021 Last updated: March 7, 2021 Exam Completed:… Continue Reading →

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