DevOps Industry Updates: January 2020

Welcome to 2020! Here are some of the latest industry rumblings:



  • How It Works — kubectl exec by Ivan Sim: looks into how the command works by examining the relevant code in kubectl, K8s API Server, Kubelet and the Container Runtime Interface (CRI) Docker API

  • Kubernetes Networking Demystified: A Brief Guide by Karen Bruner: in this post, we will present an introduction into the complexities of Kubernetes networking by following the journey of an HTTP request to a service running on a basic Kubernetes cluster.


  • Monoliths are the future by Kelsey Hightower: monoliths are the future because the problem people are trying to solve with microservices doesn’t really line up with reality.


  • Patch Tuesday, January 2020 Edition by Brian Krebs: Microsoft addressed a severe bug (CVE-2020-0601) in Windows 10 and Windows Server 2016/19 reported by the NSA that allows an attacker to spoof digital signatures.

Amazon Web Services

  • Amazon EKS Announces a 50% Price Reduction: EKS clusters now cost $0.10 per hour per cluster that you operate.

  • RDS Snapshots to S3: you can now export Amazon Relational Database Service (Amazon RDS) or Amazon Aurora snapshots to Amazon S3 as Apache Parquet, an efficient open columnar storage format for analytics.

  • AWS IAM policy simulator: administrators can now simulate permissions boundary policies along with other permissions policies to better understand the effective permissions for IAM principals.

  • Amazon SQS Now Supports 1-Minute CloudWatch Metrics: you can now set up Amazon CloudWatch metrics that update at 1-minute intervals at no additional cost in all commercial regions (data was previously limited to 5-minute intervals).


  • Python Pandas hits 1.0 by Julia Schmidt: the Python pandas data analysis and manipulation library has finally achieved version 1.0 after more than a decade of development.

  • Ready Or Not, It’s Goodbye Python 2 by Janet Swift: results of a survey by Active State measuring Python 3 adoption rates.

Article version: 1.0.0

Written on January 31, 2020