Helm Lab – 2: HELM Installation & Configuration

How to install Helm?

How to check helm Configuration?

root@ip-172-31-54-213:~/.config/helm# helm env
HELM_BIN="helm"
HELM_BURST_LIMIT="100"
HELM_CACHE_HOME="/root/.cache/helm"
HELM_CONFIG_HOME="/root/.config/helm"
HELM_DATA_HOME="/root/.local/share/helm"
HELM_DEBUG="false"
HELM_KUBEAPISERVER=""
HELM_KUBEASGROUPS=""
HELM_KUBEASUSER=""
HELM_KUBECAFILE=""
HELM_KUBECONTEXT=""
HELM_KUBEINSECURE_SKIP_TLS_VERIFY="false"
HELM_KUBETLS_SERVER_NAME=""
HELM_KUBETOKEN=""
HELM_MAX_HISTORY="10"
HELM_NAMESPACE="default"
HELM_PLUGINS="/root/.local/share/helm/plugins"
HELM_REGISTRY_CONFIG="/root/.config/helm/registry/config.json"
HELM_REPOSITORY_CACHE="/root/.cache/helm/repository"
HELM_REPOSITORY_CONFIG="/root/.config/helm/repositories.yaml"
Code language: PHP (php)

Default directories depend on the Operating System in Helm

| Operating System | Cache Path                | Configuration Path             | Data Path               |
|------------------|---------------------------|--------------------------------|-------------------------|
| Linux            | $HOME/.cache/helm         | $HOME/.config/helm             | $HOME/.local/share/helm |
| macOS            | $HOME/Library/Caches/helm | $HOME/Library/Preferences/helm | $HOME/Library/helm      |
| Windows          | %TEMP%\helm               | %APPDATA%\helm                 | %APPDATA%\helm          |
Code language: PHP (php)

Environment variables:

| $HELM_CACHE_HOME                   | set an alternative location for storing cached files.                                                       |
| $HELM_CONFIG_HOME                  | set an alternative location for storing Helm configuration.                                                 |
| $HELM_DATA_HOME                    | set an alternative location for storing Helm data.                                                          |
| $HELM_DEBUG                        | indicate whether or not Helm is running in Debug mode                                                       |
| $HELM_DRIVER                       | set the backend storage driver. Values are: configmap, secret, memory, sql.                                 |
| $HELM_DRIVER_SQL_CONNECTION_STRING | set the connection string the SQL storage driver should use.                                                |
| $HELM_MAX_HISTORY                  | set the maximum number of helm release history.                                                             |
| $HELM_NAMESPACE                    | set the namespace used for the helm operations.                                                             |
| $HELM_NO_PLUGINS                   | disable plugins. Set HELM_NO_PLUGINS=1 to disable plugins.                                                  |
| $HELM_PLUGINS                      | set the path to the plugins directory                                                                       |
| $HELM_REGISTRY_CONFIG              | set the path to the registry config file.                                                                   |
| $HELM_REPOSITORY_CACHE             | set the path to the repository cache directory                                                              |
| $HELM_REPOSITORY_CONFIG            | set the path to the repositories file.                                                                      |
| $KUBECONFIG                        | set an alternative Kubernetes configuration file (default "~/.kube/config")                                 |
| $HELM_KUBEAPISERVER                | set the Kubernetes API Server Endpoint for authentication                                                   |
| $HELM_KUBECAFILE                   | set the Kubernetes certificate authority file.                                                              |
| $HELM_KUBEASGROUPS                 | set the Groups to use for impersonation using a comma-separated list.                                       |
| $HELM_KUBEASUSER                   | set the Username to impersonate for the operation.                                                          |
| $HELM_KUBECONTEXT                  | set the name of the kubeconfig context.                                                                     |
| $HELM_KUBETOKEN                    | set the Bearer KubeToken used for authentication.                                                           |
| $HELM_KUBEINSECURE_SKIP_TLS_VERIFY | indicate if the Kubernetes API server's certificate validation should be skipped (insecure)                 |
| $HELM_KUBETLS_SERVER_NAME          | set the server name used to validate the Kubernetes API server certificate                                  |
| $HELM_BURST_LIMIT                  | set the default burst limit in the case the server contains many CRDs (default 100, -1 to disabl          e)|
Code language: JavaScript (javascript)

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

I publish technical articles at DevOps School, travel stories at Holiday Landmark, stock market insights at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow, and SEO and digital marketing strategies at Wizbrand.