Docker announced a couple months ago that they're going to limit images download rate for non-paying users and yesterday I got an e-mail that the day of the enforcement is set to Nov, 2nd:
How to (and why) replace AWS CNI with Calico on AWS EKS cluster
All EKS clusters come with default AWS CNI plugin that provides some nice features like getting an address within VPC subnet range, with a performance of ENI. So why on earth you may want to use some other...
Read MoreAnsible over AWS Systems Manager Sessions – a perfect solution for high security environments
Ansible is great, it's one of my favorite tools. It works like a charm, but... it requires SSH connection to the target host, which can be a problem in some high security environments, like the ones where SSH...
Read MoreArgoCD vs Flux
Yesterday Weaveworks announced that they're joining forces with ArgoCD - my favorite GitOps tool for Kubernetes. I think it's a good time to compare what ArgoCD...
Read MoreAnsible Operators – let’s give them a spin
A couple weekends ago I had some time to try new things and I decided it's high time to make some Kubernetes operators using Operator SDK with one of its core feature - Ansible operator support.
“GitOps – introduction, tools and best practices” – an invitation to my speech
Many people know and use Infrastructure-as-a-code approach. GitOps is a "next step" in infrastructure and application automation. During my speech I'll introduce you into secrets of GitOps, I'll show you tools required for successful operations and tell you...
Read MoreMonitoring Prometheus alerting pipeline health using CloudWatch
Prometheus is great when it comes to alerting, it's also quite easy to setup in highly available configuration. However, from economic point of view, it's sometimes not a solution as Prometheus, depending on number of targets and metrics,...
Read MoreHow to restore EBS snapshots with Ansible?
So you backup your EBS volumes, but do you actually test if you can recover them? How long does it take to restore EBS snapshot and bring your EC2 instance back to life? In this post I'll show...
Read MoreDon’t trust Terraform’s prevent_destroy feature
When you read Terraform docs there's a page with lifecycle attributes that you can specify for the resources. Among the others there's prevent_destroy attribute whose behaviour is documented as:
prevent_destroy (bool)...
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What’s the real RPO for databases on AWS RDS and why you’re probably wrong?
Recently I've been doing some research on the abilities to restore MySQL databases on AWS RDS. The customer requirement was to have 15 minutes RPO for databases. Can we meet the requirement with AWS RDS alone?
Łukasz Tomaszkiewicz
Łukasz Tomaszkiewicz is a highly skilled and passionate cloud expert who loves to automate repeatable things and secure them.
His broad experience in the areas of software development, database design, containerization and cloud infrastructure management gives him a holistic view of a modern technology stack.
In his spare time he enjoys photography, blogging and speaking on local IT-related communities.
Vim-believer :)