aws
azure
- Prepare for the Microsoft Certified: Azure Administrator Associate (AZ-104) exam
- My experience on learning Azure Devops - Part 2: Azure Devops
- My experience on learning Azure Devops - Part 1: ACR + AKS
certification
- Prepare for GCP - Associate Cloud Engineer Certification
- Prepare for AWS Certified CloudOps Engineer Associate SOA-C03 2026 exam
- Prepare for the Microsoft Certified: Azure Administrator Associate (AZ-104) exam
- My journey: from Kubestronaut to Golden Kubestronaut in 30 days
- Prepare for the Istio Certified Associate (ICA) Exam
- Prepare for Linux Foundation Certified System Administrator (LFCS)
- Prepare for the Cilium Certified Associate (CCA) Exam
- Prepare for the OpenTelemetry Certified Associate (OTCA) exam
- Prepare for the Kyverno Certified Associate (KCA) exam
- Prepare for the Certified Argo Project Associate (CAPA) exam
- How I Passed the Prometheus Certified Associate (PCA) Exam
- Prepare for the Certified Cloud Native Platform Associate (CNPA) Exam
- Mastering GitOps & Crushing the Certified GitOps Associate (CGOA) Exam
- Prepare for the Certified Kubernetes Security Specialist (CKS) exam in 2025
code
- Some notes during Claude code in action course
- Sample Streamlit Integration with Keycloak for Authentication
- Difference between pre-allocate and allocate in Go
- Learn Go by doing project: Change K8S Contexts CLI
container
- Containers Are Just Linux Primitives: Namespaces, Cgroups, OverlayFS, and Podman
- [Container Networking Series - Part 4] How Cilium CNI works in K8S
- [Container Networking Series - Part 3] Demystifying CNI: When Kubernetes "Borrows" Plugins to Build Its Network
- [Container Networking Series - Part 2] Demystifying Docker Networking: Outbound Traffic & The Masquerade Magic
- [Container Networking Series - Part 1] Demystifying Docker Networking: A Deep Dive into Bridge & veth
database
devops
- My experience on learning Azure Devops - Part 2: Azure Devops
- My experience on learning Azure Devops - Part 1: ACR + AKS
- My journey with GitLab CI: friendly and effective!
- Canary/Blue-Green deployment with Argo Rollouts
- Practical DevSecOps: Automating Security, Integrating DevSecOps into CI/CD with Jenkins and Golang application - Part 3
- Practical DevSecOps: Hardening and Monitoring: Benchmarking and Runtime Security in DevSecOps - Part 2
- Practical DevSecOps: Securing the Pipeline from Code to Deployment - Part 1
gcp
IaC
k8s
- Understand ArgoCD architecture with theory and hands-on
- No Vault? No GitOps? No Problem - Securing K8s Secrets with SOPS
- My journey: from Kubestronaut to Golden Kubestronaut in 30 days
- [WIP] Setup K8s with Kubespray
- Prepare for the Certified Kubernetes Security Specialist (CKS) exam in 2025
- K8S: little note with node restriction in admission controller
- Canary/Blue-Green deployment with Argo Rollouts
- Practical DevSecOps: Automating Security, Integrating DevSecOps into CI/CD with Jenkins and Golang application - Part 3
- Practical DevSecOps: Hardening and Monitoring: Benchmarking and Runtime Security in DevSecOps - Part 2
- Getting Started with Helm Templates: A Practical Guide to Kubernetes Manifests
- Kustomize: Quick Introduction and Integration with Other Tools and Examples
- Sharing What I've Learned About Kubernetes Networking - Part 2
- Sharing What I've Learned About Kubernetes Networking - Part 1
linux
logging
mysql
- Mysql - ACID Principle
- Live Clone MySQL Replication using Percona XtraBackup
- Lab: MySQL Galera Cluster Reliability
observability
- Prepare for the Terraform Associate (003) Certification Exam in 2025
- VictoriaLogs: The Space-Efficient Alternative to Elasticsearch for Log Management
- Why I Switched to VictoriaMetrics: Scaling from Small Business to Enterprise.
- My journey with observability: Opentelemetry
platform-engineering
- My Platform Engineering Journey #2: Getting Started with Backstage - Internal Developer Portal and Prepare for Certified Backstage Associate Exam
- My Platform Engineering Journey #1: The Beginning
security
- No Vault? No GitOps? No Problem - Securing K8s Secrets with SOPS
- OWASP Top 10 Security Risks: Personal Study Notes