Latest Blogs
Tutorials, guides, and insights on DevOps, SRE, and Cloud technologies.
Terraform Data Sources — Query Existing Infrastructure
Learn how to use Terraform data sources to query existing infrastructure, look up AMIs, reference shared VPCs, and bridge the gap between managed and unmanaged resources.
VPC Networking from Scratch — Subnets, NAT, and Security Groups
Build an AWS VPC step-by-step with public and private subnets, NAT gateways, route tables, security groups, NACLs, and VPC endpoints using AWS CLI.
Entra ID (Azure AD) — Identity Management That Actually Makes Sense
Understand Microsoft Entra ID (formerly Azure AD) — tenants, users, groups, service principals, managed identities, conditional access, and MFA. Identity management for the real world.
Jenkins Pipeline — Declarative, Scripted, and Blue Ocean Explained
Master Jenkins Pipeline with Declarative and Scripted syntax, shared libraries, Docker agents, parallel stages, and Blue Ocean UI. Includes a head-to-head comparison with GitHub Actions.
Docker Compose — Multi-Container Apps in One File
Learn Docker Compose from scratch — define multi-container applications with services, networks, volumes, health checks, and environment variables in a single YAML file.
Kubernetes Namespaces — Multi-Tenancy and Resource Isolation
Learn how to use Kubernetes namespaces for multi-tenancy, resource isolation, and team organization. Covers resource quotas, limit ranges, RBAC, network policies, and namespace best practices.
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