Monthly Archives: September 2021

Kubernetes: Helm – “x509: certificate signed by unknown authority”, and ServiceAccount for Pod

29 September 2021
 

 We have Github runners in our AWS Elastic Kubernetes service cluster, that are used to build Docker images and deploy them with Helm or ArgoCD. On the first helm install run in a Github runner’s Pod, we are getting the “x509: certificate signed by unknown authority” error: Or, if not set an API URL, then we… Read More »

AWS: disable TLS 1.0 and TLS 1.1 for Application LoadBalancer

27 September 2021
 

 If check any of a freshly created AWS Application LoadBalancer with a certificate from the AWS Certificate Manager, and with an HTTPS Listener’s default settings you’ll see the B grade: The main point of the SSL Labs is the support of the deprecated encryption versions – TLS 1.0 and 1.1. AWS LoadBalancer SecurityPolicy and TLS… Read More »

AWS: Cost Explorer – costs checking on the CloudWatch Logs example

7 September 2021
 

 This post isn’t an overview of the AWS Cost Explorer service, but just a quick example of how to detect costs for your AWS account and its services. So, when I came back from the vacation, I noticed that we’ve paid more than usually for the AWS CloudWatch for August – almost 50 dollars per… Read More »

.NET Meetup Temabit

7 September 2021
 

  Immerse yourself into the world of .NET together with the experts at Temabit and Microsoft at the new .NET Meetup coming up on September 14. Meet our speakers:  Christos Matskas, Microsoft Topic: Secure your apps with Azure and Microsoft Identity’ Anton Koposov, Temabit Fozzy Group Topic: Messaging with MassTransit Meetup will be moderate by:… Read More »