• Using kubectl to Get Helm Release Information

  2 min read

  
  

  While Helm provides the convenient helm ls -A command to list all releases across namespaces, there are situations where helm CLI might not be available. We can still retrieve similar information out of the helm metadata stored as Kubernetes secrets.

  $ helm ls -A
  NAME            NAMESPACE       REVISION    UPDATED                                    STATUS      CHART                   APP VERSION
  metrics-server  kube-system     1           2025-07-14 10:00:16.115363827 +0000 UTC    deployed    metrics-server-1.0.0    0.1.0
  prometheus      monitoring      2           2025-07-14 10:05:45.362196303 +0000 UTC    deployed    prometheus-2.0.0        0.2.0
  my-app          default         3           2025-07-14 10:10:46.213184797 +0000 UTC    deployed    my-app-1.2.3            0.3.0
  

  14/07/2025

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• Upgrading a ROSA Cluster on AWS

  5 min read

  
  

  Keeping your ROSA (Red Hat OpenShift Service on AWS) cluster up to date is essential for getting the latest features, performance improvements, and security patches. Fortunately, Red Hat provides a CLI tool (rosa) that allows you to handle upgrades.

  10/07/2025

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• kubectl: Finding the OpenShift Console URL

  1 min read

  
  

  When working on an OpenShift cluster, it’s common to need the Web Console URL, especially when setting up a new environment or giving access to other users.

  Rather than navigating through RedHat portal or guessing the domain, you can use kubectl to directly query the route object and retrieve the console's public URL.

  09/07/2025

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• yq: Extracting Objects from Kubernetes Manifests

  1 min read

  
  

  When working with Kubernetes manifests that contain multiple resources, you might need to extract specific objects out of a large document. The yq command-line tool provides powerful filtering capabilities to select and extract individual resources from multi-document YAML files.

  In this post, we'll explore how to use yq's select function to do that.

  23/06/2025

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• kubectl: Streaming Logs from Multiple Pods

  2 min read

  
  

  When troubleshooting applications in Kubernetes, you often need to monitor logs from multiple pods simultaneously. The kubectl logs command provides powerful options to stream logs from several pods at once using label selectors.

  In this post, we'll explore how to use kubectl logs with the selector flag to monitor multiple pods in real-time.

  15/05/2025

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