for pod in $(kubectl get po --all-namespaces --output=jsonpath={.items..metadata.name}); do namespace=$(kubectl get po --all-namespaces --field-selector=metadata.name=$pod --output=jsonpath={.items..metadata.namespace}); echo "Pod: $pod (Namespace: $namespace)"; kubectl exec -it -n $namespace $pod -- env; done
kubectl get pods --all-namespaces -o jsonpath="{..image}" |tr -s '[[:space:]]' '\n' |sort |uniq -c
Copying files to pod using kubectl
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controlplane ~ ➜ kubectl get pods
NAME READY STATUS RESTARTS AGE
nginx 1/1 Running 0 39s
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controlplane ~ ➜ kubectl exec -it nginx /bin/bash
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
----
root@nginx:/# ls
bin dev docker-entrypoint.sh home lib32 libx32 mnt proc run srv tmp var
boot docker-entrypoint.d etc lib lib64 media opt root sbin sys usr
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root@nginx:/# mkdir raj
root@nginx:/# ls
bin dev docker-entrypoint.sh home lib32 libx32 mnt proc root sbin sys usr
boot docker-entrypoint.d etc lib lib64 media opt raj run srv tmp var
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root@nginx:/# cd raj/
root@nginx:/raj# pwd
/raj
root@nginx:/raj# exit
exit
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controlplane ~ ➜ ls
sample.yaml
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controlplane ~ ➜ kubectl cp sample.yaml nginx:/raj
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controlplane ~ ➜ kubectl exec -it nginx /bin/bash
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
----
root@nginx:/# cd raj/
root@nginx:/raj# ls
sample.yaml
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