Here’s how to change a VM’s service account in GCP
#!/bin/bash read -p "project : " project read -p "instance : " instance read -p "srvAcct email : " serviceaccount # stop instance gcloud compute instances stop $instance --project $project # change service account gcloud compute instances set-service-account $instance --service-account $serviceaccount --scopes cloud-platform --project $project # start instance gcloud compute instances start $instance --project $project |