Commands

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Purge failed pods

kubectl delete pods -A --field-selector=status.phase=Failed

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exec as user

kubectl auth can-i get pods --as=fatuser

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Purge notready pods (crictl)

for i in `crictl pods | grep NotReady | awk '{print $1}'`; do crictl rmp $i; done

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Force namespace deletion

kubectl get namespace <ns> -o json > <ns>.json

kubectl replace --raw "/api/v1/namespaces/<ns>/finalize" -f ./<ns>.json

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Allow pods to communicate with firewalld

firewall-cmd --permanent --new-zone=<name>

firewall-cmd --permanent --zone=<name> --set-target=ACCEPT

firewall-cmd --permanent --zone=<name> --add-source=<cluster_pods_cidr>

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containerd push registry

ctr content fetch --platform linux/amd64 docker.io/library/postgres:15.1-alpine

ctr images tag docker.io/library/postgres:15.1-alpine localhost:32000/postgres:15.1-alpine

ctr images push --platform linux/amd64 localhost:32000/postgres:15.1-alpine

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Get the owner of all pods

kubectl get pods -A -o jsonpath='{range .items[*]}{.metadata.name} {.metadata.ownerReferences[].kind}{"\n"}{end}'