Helm Commands Cheat Sheet
Helm serves as the Kubernetes package manager, simplifying deployment of helm charts (pre-configured Kubernetes application resource collections). It provides all necessary commands for streamlined application management in Kubernetes clusters.
Prerequisites
- A functional Kubernetes cluster (easily created with minikube)
- Helm package manager installation
Note: This guide focuses on Helm 3 commands, which feature enhanced security by eliminating Tiller (present in Helm 2).
Basic Helm Concepts
Understanding these core concepts will make Helm commands more intuitive:
- Chart: Packaged Kubernetes manifests for simplified deployment
- Repositories: Online collections of charts with name/URL identifiers
- Helm Hub: Centralized information source for distributed repositories
- Release: Deployed chart instance in a Kubernetes cluster
Essential Helm Commands
Application Installation & Removal
Basic installation command:
helm install [app-name] [chart]Namespace-specific installation:
helm install [app-name] [chart] --namespace [namespace]Custom values override:
helm install [app-name] [chart] --values [yaml-file/url]Test installation validation:
helm install [app-name] --dry-run --debugRelease uninstallation:
helm uninstall [release]Application Upgrades & Rollbacks
Basic upgrade command:
helm upgrade [release] [chart]Atomic upgrade with rollback:
helm upgrade [release] [chart] --atomicVersion-specific upgrade:
helm upgrade [release] [chart] --version [version-number]Rollback execution:
helm rollback [release] [revision]Repository Management
Add a repository:
helm repo add [repository-name] [url]Remove a repository:
helm repo remove [repository-name]Update repositories:
helm repo updateChart Operations
Create a new chart:
helm create [name]Package a chart:
helm package [chart-path]Chart validation:
helm lint [chart]IPv4 Address Management
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Helm Cheat Sheet PDF
Download our comprehensive Helm command reference sheet for quick access to all essential operations.
