How to tcpdump using ephemeral containers in Kubernetes
2 min readSep 2, 2020
In order to use ephemeral containers, the K8S cluster needs to be created using the EphemeralContainers feature gate. This technique makes using tcpdump inside a pod quite easy without the need to restart or patch a pod or deployment.
Create a cluster enabling EphemeralContainers
The following configuration cluster.yaml helps installing a K8S cluster using kubeadm.
apiVersion: kubeadm.k8s.io/v1beta2
kind: InitConfiguration
nodeRegistration…