John Hanley

Security, software development and devops in a cloud world - AWS, Azure, Google, IBM & Alibaba

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SSL

IBM Cloud – Provisioning a Cloud Server

Introduction Today is Saturday, so I decided to write another article about IBM Cloud. Today, I will build an IBM Cloud Virtual Server Instance (VSI) running Ubuntu 18.04. This article is the first part of a series on provisioning virtual… Continue Reading →

Google Cloud – SSL Certificates the Easy Way

Introduction I use SSL certificates for everything. I am constantly creating them for internal systems and cloud services. This includes services such as web servers, SQL servers, anything where you might use a paid SSL certificate, or a self-signed certificate… Continue Reading →

Google Cloud SQL for MySQL – Connection Security, High Availability and Failover

Introduction Designing an application that incorporates Google Cloud SQL requires some thought. There are several factors to consider regarding security, performance, fault tolerance and availability. Incorrectly implementing one of these areas can affect the other areas, usually negatively. In this… Continue Reading →

Let’s Encrypt – Debian 9 on Google Compute Instance

Let’s Encrypt is a Certificate Authority (CA) that issues free SSL certifications. I have used these certificates on web servers, cloud functions, load balancers, and many more. In this article I will show how to obtain an SSL certificate from… Continue Reading →

CURL SSL Certificate Problem

If curl is not setup correctly for SSL (HTTPS) data transfers an error is displayed. The error message starts like this: curl: (60) SSL certificate problem: unable to get local issuer certificate More details here: http://curl.haxx.se/docs/sslcerts.html There are several options… Continue Reading →

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