How to troubleshoot Pod crashes?
· Kubernetes
Pod crashes have many causes, from resource limits to application errors. Learn a systematic approach to diagnosing and fixing them.
Category: Kubernetes
45 questions in Kubernetes.
How to create Helm charts?
· Kubernetes
Helm charts package Kubernetes applications for repeatable deployments. Learn the directory structure and templating basics.
What is RBAC in Kubernetes?
· Kubernetes
Role-Based Access Control governs who can do what in a cluster. Learn about Roles, ClusterRoles, RoleBindings, and best practices.
How to perform rolling updates in Kubernetes?
· Kubernetes
Rolling updates replace old Pods with new ones gradually. Learn how Deployments manage zero-downtime updates.
What is Horizontal Pod Autoscaler?
· Kubernetes
HPA automatically scales Pods based on CPU, memory, or custom metrics. Learn how it works and how to configure it.
How to backup Kubernetes persistent data?
· Kubernetes
Backing up persistent data protects against data loss. Learn how to snapshot volumes and use tools like Velero for cluster-wide backups.
What is the difference between emptyDir and hostPath?
· Kubernetes
emptyDir and hostPath both provide local storage, but they differ in scope, lifecycle, and portability. Learn when to use each.
How to manage Secret rotation?
· Kubernetes
Rotating Secrets reduces the impact of credential leaks. Learn strategies for updating Secrets and refreshing applications without downtime.
How to use ephemeral storage?
· Kubernetes
Ephemeral storage provides temporary, writable space for containers. Learn about emptyDir volumes and local ephemeral storage limits.
How to mount volumes into Pods?
· Kubernetes
Mounting volumes provides persistent or shared storage to containers. Learn how to define volumes and volumeMounts in Pod specs.