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hardgcloud

Read the serial port output from a Compute Engine VM to diagnose boot failures

command

gcloud compute instances get-serial-port-output INSTANCE_NAME --zone ZONE

also accepted

gcloud compute instances get-serial-port-output

Command breakdown

Part of the Google Cloud CLI (gcloud) — Debugging category.

gcloudcomputeinstancesget-serial-port-outputINSTANCE_NAME--zoneZONE

Flag	Purpose
`--zone`	Boolean flag

More Debugging commands

List cluster events sorted by creation time to troubleshoot recent issueskubectl get events --sort-by=.metadata.creationTimestamp
Retrieve logs from the previous terminated instance of a pod containerkubectl logs POD_NAME --previous
Stream live log output from a pod container in real timekubectl logs -f POD_NAME
Attach to the primary process running inside a pod container for live interactionkubectl attach POD_NAME -c CONTAINER_NAME -it
Retrieve logs from a specific container within a multi-container podkubectl logs POD_NAME -c CONTAINER_NAME
Block until a pod reaches a specified condition or the timeout expireskubectl wait --for=condition=ready pod/POD_NAME --timeout TIMEOUT
List cluster events sorted chronologically to diagnose recent failureskubectl get events --sort-by .metadata.creationTimestamp
Attach a debug container to a running pod for live troubleshootingkubectl debug pod POD_NAME --image IMAGE --stdin --tty

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