CNCF CKA: Scheduling with Taints, Tolerations, and Affinity
Kubernetes scheduling matches unscheduled Pods to nodes that can run them. Most workloads can rely on the default scheduler, which already considers resource…
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Automation & DevOps.
Software delivery, infrastructure automation and reliable systems.
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CNCF CKA: Kubernetes RBAC
Kubernetes Role-Based Access Control, or RBAC, governs what authenticated identities are allowed to do through the Kubernetes API. It is a core cluster…
Read articleCNCF CKA: Pods, Deployments, and ReplicaSets
Kubernetes runs application containers inside Pods, but administrators rarely manage production Pods one by one. Higher-level workload controllers create, replace, scale, and update…
Read articleCNCF CKA: Persistent Volumes and Storage Classes
Containers are disposable, but application data often is not. Kubernetes therefore separates workload lifecycle from persistent storage through PersistentVolumes, PersistentVolumeClaims, StorageClasses, and the…
Read articleCNCF CKA: Kubernetes Services and Networking
Kubernetes networking lets Pods communicate across nodes while Services provide stable endpoints over a changing set of Pods. The key operational challenge is…
Read articleCNCF CKA: Kubernetes Cluster Architecture
Kubernetes architecture is built around a control plane that stores desired state and a set of worker nodes that run application Pods. That…
Read articleCNCF CKA: ConfigMaps, Secrets, and App Configuration
Container images should be reusable across environments. A production database hostname, a feature flag, or an API credential should not require rebuilding the…
Read articleCNCF KCNA: Kubernetes Control Plane Components
Kubernetes manages clusters through a control plane that stores desired state, exposes the API, schedules workloads, and runs controllers that continually move the…
Read articleCNCF KCNA: GitOps Concepts for Kubernetes Teams
GitOps is an operating model for managing declarative systems through version-controlled desired state and automated reconciliation. For Kubernetes teams, that usually means application…
Read articleCNCF KCNA: Containers, Images, and Registries
Containers are a foundational cloud native packaging and runtime model. They let teams bundle an application with the libraries and runtime dependencies it…
Read article15 GitHub Commands Every New Programmer Needs to Know
GitHub has become one of the most important platforms in modern software development and IT operations. Whether someone works in programming, cybersecurity, cloud…
Read articleEnhance Automation and Delivery with These Azure DevOps Tools
Software development has changed dramatically over the last decade. Businesses are no longer able to rely on slow deployment cycles, isolated IT teams,…
Read articleDevOps Careers in : Opportunities, Salaries, and Future Growth
The technology industry has changed dramatically over the last decade. Businesses no longer release software once or twice a year and wait months…
Read articleDocker Made Easy: Understanding Containers and Deployment
Technology has changed dramatically over the last two decades, especially in the world of software development and infrastructure management. Businesses now expect applications…
Read articlePodman vs Docker for Minikube: Pros, Cons, and Performance
Kubernetes has become one of the most important technologies in modern software development. Organizations use it to automate deployment, scale applications efficiently, and…
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