DevOps & Automation
CNCF KCSA: Secrets Management for Kubernetes
Kubernetes Secrets provide a native way to pass confidential configuration such as passwords, tokens, keys, and certificates to workloads, but…
Explore / Technology subjects
DevOps & Automation
DevOps, infrastructure automation, CI/CD, containers, Kubernetes and deployment practices.
The reading room
All insights
Latest in DevOps & Automation
62 published articles in this category.
DevOps & Automation
CNCF CKA: Troubleshooting Kubernetes Nodes and Workloads
Kubernetes troubleshooting is fastest when administrators identify which layer owns the symptom before changing anything. A failing application might be…
DevOps & Automation
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…
DevOps & Automation
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…
DevOps & Automation
CNCF 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,…
DevOps & Automation
CNCF CKA: Kubernetes Cluster Architecture
Kubernetes architecture is built around a control plane that stores desired state and a set of worker nodes that run…
DevOps & Automation
CNCF CKA: Ingress, Gateway API, and External Access
Applications running in Kubernetes often need traffic from outside the cluster. The challenge is not simply opening a port. Operators…
DevOps & Automation
CNCF 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…
DevOps & Automation
CNCF 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…
DevOps & Automation
CNCF 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…
DevOps & Automation
CNCF 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…
DevOps & Automation
Automation vs Orchestration in IaC: What’s the Difference?
Infrastructure as Code, commonly known as IaC, has transformed the way organizations manage infrastructure in modern IT environments. Instead of…
DevOps & Automation
Chef vs Puppet: Best Configuration Management Tool for Modern Teams
Managing servers and infrastructure manually becomes difficult as businesses grow. Configuration management tools help automate system setup, software installation, updates,…
DevOps & Automation
Advanced Strategies for Managing Complex and Large Cisco UCS Deployments
Managing a large Cisco Unified Computing System environment requires a structured approach, especially when dealing with hundreds of blade and…
DevOps & Automation
How to Deploy Ansible Automation Using Docker Containers
Container-based automation has become a practical way to standardize how infrastructure automation is executed across different environments. By combining a…