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Arseny Zinchenko profile picture

Arseny Zinchenko

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

Location Kyiv, Ukraine Joined Joined on  Personal website https://rtfm.co.ua/en github website

Job Title

DevOps Engineer

Languages

Python, Bash, C, Golang

Tools

Linux, AWS, Ci/CD, Terraform, Kubernetes

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

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

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6 min read

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Kubernetes: containers, and the “lost” SIGTERM signals

Kubernetes: containers, and the “lost” SIGTERM signals

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12 min read
Kubernetes: monitoring Events with kubectl and Grafana Loki

Kubernetes: monitoring Events with kubectl and Grafana Loki

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3 min read
Pritunl: launching a VPN in AWS on EC2 with Terraform

Pritunl: launching a VPN in AWS on EC2 with Terraform

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12 min read
AWS: Karpenter and SSH for Kubernetes WorkerNodes

AWS: Karpenter and SSH for Kubernetes WorkerNodes

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

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

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17 min read
Renovate: GitHub, and Helm Charts versions management

Renovate: GitHub, and Helm Charts versions management

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4 min read
Dependabot: GitHub, and Terraform versions management

Dependabot: GitHub, and Terraform versions management

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5 min read
GitHub Actions: Terraform deployments with a review of planned changes

GitHub Actions: Terraform deployments with a review of planned changes

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

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

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

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

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

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

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

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

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21 min read
Karpenter: its monitoring, and Grafana dashboard for Kubernetes WorkerNodes

Karpenter: its monitoring, and Grafana dashboard for Kubernetes WorkerNodes

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

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

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

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

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

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

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9 min read
AWS Elastic Kubernetes Service: RBAC Authorization via AWS IAM and RBAC Groups

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

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

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

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6 min read
Kubernetes: ensuring High Availability for Pods

Kubernetes: ensuring High Availability for Pods

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6 min read
Kubernetes: Liveness and Readiness Probes — Best practices

Kubernetes: Liveness and Readiness Probes — Best practices

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5 min read
VictoriaMetrics: pushing metrics without Prometheus Pushgateway

VictoriaMetrics: pushing metrics without Prometheus Pushgateway

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

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

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

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

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21 min read
Terraform: terraform_remote_state  —  getting Outputs from other state-files

Terraform: terraform_remote_state  —  getting Outputs from other state-files

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2 min read
Terraform: building EKS, part 4 - installing controllers

Terraform: building EKS, part 4 - installing controllers

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16 min read
Terraform: building EKS, part 3 - Karpenter installation

Terraform: building EKS, part 3 - Karpenter installation

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

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

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

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

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14 min read
Terraform: count, for_each, and for loops

Terraform: count, for_each, and for loops

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7 min read
Terraform: introduction to primitives and complex data types

Terraform: introduction to primitives and complex data types

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

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

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8 min read
Terraform: remote state with AWS S3, and state locking with DynamoDB

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

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7 min read
VictoriaMetrics: VMAuth — Proxy, Authentication, and Authorization

VictoriaMetrics: VMAuth — Proxy, Authentication, and Authorization

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

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

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

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

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

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

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

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

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11 min read
AWS: Grafana Loki, InterZone traffic in AWS, and Kubernetes nodeAffinity

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

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

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

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3 min read
AWS: Kubernetes  -  AWS Secrets Manager and Parameter Store integration

AWS: Kubernetes  -  AWS Secrets Manager and Parameter Store integration

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

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

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11 min read
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