Arseny Zinchenko

DevOps, cloud and infrastructure engineer. Love Linux, OpenSource, and AWS.

Kyiv, Ukraine Joined on Aug 30, 2023 https://rtfm.co.ua/en

Job Title

DevOps Engineer

Languages

Python, Bash, C, Golang

Tools

Linux, AWS, Ci/CD, Terraform, Kubernetes

Arseny Zinchenko

Oct 17

Terraform: managing EKS Access Entries and EKS Pod Identities

#aws #devops #kubernetes #terraform

19 min read

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Arseny Zinchenko

Aug 24

Terraform: EKS and Karpenter — upgrade the module version from 19.21 to 20.0

#kubernetes #devops #tutorials

20 min read

Arseny Zinchenko

Jul 13

AWS: Kubernetes and Access Management API, the new authentication in EKS

#security #kubernetes #aws #devops

11 min read

Arseny Zinchenko

Jul 13

AWS: RDS IAM database authentication, EKS Pod Identities, and Terraform

#kubernetes #devops #security #aws

12 min read

Arseny Zinchenko

Jul 7

AWS: Cost optimization — an overview of Bills, Cost Explorer, and the costs control

#todayilearned #aws #devops

6 min read

Arseny Zinchenko

Jul 7

Kubernetes: containers, and the “lost” SIGTERM signals

#todayilearned #linux #kubernetes #devops

12 min read

Arseny Zinchenko

Jul 7

Kubernetes: monitoring Events with kubectl and Grafana Loki

#kubernetes #devops #monitoring

3 min read

Arseny Zinchenko

Jul 7

Pritunl: launching a VPN in AWS on EC2 with Terraform

#aws #terraform #devops #tutorials

12 min read

Arseny Zinchenko

Jun 23

AWS: Karpenter and SSH for Kubernetes WorkerNodes

#security #aws #devops #kubernetes

10 min read

Arseny Zinchenko

Jun 23

AWS: VPC Flow Logs, NAT Gateways, and Kubernetes Pods - a detailed overview

#todayilearned #devops #kubernetes #aws

17 min read

Arseny Zinchenko

Jun 23

Renovate: GitHub, and Helm Charts versions management

#tutorials #github #devops

4 min read

Arseny Zinchenko

Jun 23

Dependabot: GitHub, and Terraform versions management

#tutorials #github #devops #terraform

5 min read

Arseny Zinchenko

Mar 23

GitHub Actions: Terraform deployments with a review of planned changes

#terraform #github #devops #tutorials

16 min read

Arseny Zinchenko

Mar 7

Kubernetes: tracing requests with AWS X-Ray, and Grafana data source

#kubernetes #aws #monitoring #devops

7 min read

Arseny Zinchenko

Mar 2

AWS: VPC Prefix and the maximum of Pods on Kubernetes WorkerNodes

#aws #kubernetes #todayileraned #devops

9 min read

Arseny Zinchenko

Feb 29

Terraform: creating a module for collecting AWS ALB logs in Grafana Loki

#devops #tutorials #aws #terraform

11 min read

Arseny Zinchenko

Feb 25

Grafana Loki: LogQL and Recording Rules for metrics from AWS Load Balancer logs

#todayilearned #monitoring #devops #tutorials

21 min read

Arseny Zinchenko

Feb 24

Karpenter: its monitoring, and Grafana dashboard for Kubernetes WorkerNodes

#aws #devops #monitoring #grafana

14 min read

Arseny Zinchenko

Dec 17 '23

AWS: EKS Pod Identities — a replacement for IRSA? Simplifying IAM access management

#aws #devops #kubernetes #security

5 min read

Arseny Zinchenko

Dec 16 '23

AWS: CloudWatch — Multi source query: collecting metrics from an external Prometheus

#todayilearned #monitoring #aws #devops

3 min read

Arseny Zinchenko

Dec 13 '23

AWS: Amazon Q — an overview, features, and first impressions

#todayilearned #ai #aws

9 min read

Arseny Zinchenko

Dec 13 '23

AWS Elastic Kubernetes Service: RBAC Authorization via AWS IAM and RBAC Groups

#devops #aws #security #kubernetes

12 min read

Arseny Zinchenko

Dec 13 '23

Grafana Loki: collecting AWS LoadBalancer logs from S3 with Promtail Lambda

#aws #monitoring #devops #tutorials

6 min read

Arseny Zinchenko

Dec 13 '23

Kubernetes: ensuring High Availability for Pods

#kubernetes #devops

6 min read

Arseny Zinchenko

Nov 25 '23

Kubernetes: Liveness and Readiness Probes — Best practices

#todayilearned #monitoring #kubernetes #devops

5 min read

Arseny Zinchenko

Nov 18 '23

VictoriaMetrics: pushing metrics without Prometheus Pushgateway

#monitoring #tutorials #devops

4 min read

Arseny Zinchenko

Nov 18 '23

Karpenter: the Beta version — an overview of changes, and upgrade from v0.30.0 to v0.32.1

#aws #devops #kubernetes

16 min read

Arseny Zinchenko

Nov 5 '23

GitHub Actions: Docker build to AWS ECR and Helm chart deployment to AWS EKS

#todayilearned #kubernetes #aws #devops

21 min read

Arseny Zinchenko

Oct 7 '23

Terraform: terraform_remote_state — getting Outputs from other state-files

#todayilearned #terraform #devops

2 min read

Arseny Zinchenko

Sep 18 '23

Terraform: building EKS, part 4 - installing controllers

#kubernetes #aws #terraform #devops

16 min read

Arseny Zinchenko

Sep 17 '23

Terraform: building EKS, part 3 - Karpenter installation

#aws #kubernetes #devops #terraform

11 min read

Arseny Zinchenko

Sep 17 '23

Terraform: Building EKS, part 2 - an EKS cluster, WorkerNodes, and IAM

#devops #aws #terraform #kubernetes

10 min read

Arseny Zinchenko

Sep 17 '23

Terraform: Building EKS, part 1 - VPC, Subnets and Endpoints

#kubernetes #terraform #devops #aws

14 min read

Arseny Zinchenko

Sep 10 '23

Terraform: count, for_each, and for loops

#todayilearned #terraform #devops

7 min read

Arseny Zinchenko

Sep 10 '23

Terraform: introduction to primitives and complex data types

#todayilearned #terraform #devops

5 min read

Arseny Zinchenko

Sep 10 '23

Terraform: dynamic remote state with AWS S3 and multiple environments by directory

#devops #tutorials #todailearned #aws

8 min read

Arseny Zinchenko

Sep 10 '23

Terraform: remote state with AWS S3, and state locking with DynamoDB

#terraform #devops #aws #tutorials

7 min read

Arseny Zinchenko

Sep 3 '23

VictoriaMetrics: VMAuth — Proxy, Authentication, and Authorization

#kubernetes #security #monitoring #devops

7 min read

Arseny Zinchenko

Sep 3 '23

AWS: Getting started with Karpenter for autoscaling in EKS, and its installation with Helm

#todayilearned #kubernetes #aws #devops

12 min read

Arseny Zinchenko

Sep 3 '23

Kubernetes: Pods and WorkerNodes — control the placement of the Pods on the Nodes

#todayilearned #kubernetes #devops

11 min read

Arseny Zinchenko

Sep 3 '23

Grafana: values from records in Loki logs, and dual-Y-axes panels in Grafana

#logging #devops #tutorials

5 min read

Arseny Zinchenko

Sep 3 '23

Grafana Loki: performance optimization with Recording Rules, caching, and parallel queries

#todayilearned #monitoring #aws #devops

11 min read

Arseny Zinchenko

Sep 3 '23

AWS: Grafana Loki, InterZone traffic in AWS, and Kubernetes nodeAffinity

#todayilearned #aws #monitoring #devops

9 min read

Arseny Zinchenko

Sep 3 '23

AWS: CDK and Python - installing EBS CSI driver Add-On on EKS

#python #kubernetes #aws #devops

3 min read

Arseny Zinchenko

Sep 3 '23

AWS: Kubernetes - AWS Secrets Manager and Parameter Store integration

#security #aws #kubernetes #tutorials

10 min read

Arseny Zinchenko

Sep 3 '23

AWS: CDK and Python - configure an IAM OIDC Provider, and install Kubernetes Controllers

#aws #python #kubernetes #devops

11 min read