Recent
Enabling automated multi-region failover and failback using Route 53
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Presented at AWS Community Day 2022 - I talk about using Route 53 and enabling automated multi-region failover and failback using Route 53.
Self-hosting FreshRSS (for free) on Fly.io in under 10 minutes
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DevOps
Self-Hosting
Fly.io
Here’s how you can self-host FreshRSS on Fly.io in under 10 minutes
Migrating Route 53 records from Latency Based Routing to Geolocation routing with zero downtime
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DevOps
Route 53
Dns
Aws
I had some fun playing with Route 53’s routing policies.
Notes on moving Amazon Linux AMI to Amazon Linux 2
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DevOps
Packer
Aws
AMI
I picked up a task to migrate our base image from Amazon Linux to Amazon Linux 2. Here’s what I needed to get it to work.
Infrastructure as code and Getting started with AWS CDK
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I brief on what infrastructure as code (IaC) is, the options available for IaC and then do a deep dive into the AWS CDK.
Taking on the DigitalOcean Kubernetes Challenge - GitOps CI/CD with Argo CD and Tekton
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DevOps
Kubernetes
Terraform
Docker
I attempt to complete the DigitalOcean Kubernetes Challenge and deploy a GitOps CI/CD solution using Tekton and Argo CD
Second Edition of Practical Docker With Python is now available
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General
Books
Docker
The second edition of my book - Practical Docker with Python is now available.
AWS Fargate instead of Amazon EC2 instances for one-off tasks
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This talk looks at why you should be using AWS Fargate for one-off tasks.
Checking for connectivity of ElastiCache Redis instances across peering connections using VPC Reachability Analyzer
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DevOps
Aws
VPC
The VPC Reachability Analyzer tool is a network diagnostic tool from AWS. In this post I look at how effective the VPC Reachability Analyzer tool to diagnose a network connectivity issue from a VPC peering connection to a private subnet.
How to Remove Subnet Delegations associated with an Azure Virtual Network(VNET) Subnet
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DevOps
Azure
Removing Subnet delegations for an Azure VNET that might block deployments.