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Trying to insert output from this:

kubectl get pods | grep -Eo '^[^ ]+' | grep portal

Into this:

kubectl exec -it <here> portal bash

Tried:

kubectl exec -it `kubectl get pods | grep -Eo '^[^ ]+' | grep portal ` portal bash

But no luck.

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    What does "no luck" mean? Did you get some kind of error? Does the command in the command substitution return the correct thing? What happens if you use ... -it "$(...)" ... instead of the backticks (quoting is difficult with backticks). – Kusalananda Jun 13 '19 at 16:18
  • @Kusalananda It says: Defaulting container name to portal-container. Use 'kubectl describe pod/portal-74767c88b-92sct' to see all of the containers in this pod. rpc error: code = 2 desc = oci runtime error: exec failed: container_linux.go:247: starting container process caused "exec: \"portal\": executable file not found in $PATH" In both cases – Pavel M. Jun 13 '19 at 16:37
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kubectl exec -it "$(kubectl get pods | grep -Eo '^[^ ]+' | grep portal)" bash

Or, even more:

kubectl exec -c portal-container -it "$(kubectl get pods | grep -Eo '^[^ ]+' | grep portal)" bash
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