Kubernetes Hacks and Tricks – #8 Pod Preemption, Eviction and Priority classesIn the previous article, we learnt about QoS classes in Kubernetes and how Kubernetes evicts Pods if node resources are... Read More
Kubernetes Hacks and Tricks – #7 Pod and Container Resource and QoS classesDo you know how Kubernetes decides which Pods should be evicted if the node resource is insufficient or running out?... Read More
Kubernetes Hacks and Tricks – #6 Find Pods running from deprecated registryAs you know, recently, Kubernetes changed its main repository from k8s.gcr.io to registry.k8s.io, meaning you should update your manifests as... Read More
Kubernetes Hacks and Tricks – #5 Pod DNS Policy and DNS Config optionsWhat is dnsPolicy in Pod spec, and when should we change it? By setting the dnsPolicy option in Pod spec,... Read More
Kubernetes Hacks and Tricks – #4 Find worker node info from Pod spec infoIn access-limited clusters where you don’t have access to cluster resources, you may need worker nodes’ info like worker node... Read More
Kubernetes Hacks and Tricks – #3 List all downloaded images on worker nodesDo you want to know which images are already available on your worker nodes? If yes, you need to run... Read More
Kubernetes Hacks and Tricks – #2 Optional ConfigMaps and Secrets in PodsIn some applications, the application configurations are set by default in the codebase (hard-coded). If you want to override them,... Read More
Kubernetes Hacks and Tricks – #1 Immutable ConfigMaps and SecretsSometimes you want to create configs/secrets for your applications, and you want to make sure when configs/secrets got created, nobody... Read More