SHELL

connect to gcp vm instance using ssh

ssh-keygen -t rsa -f ~/Desktop/key -C user

#login into GCP -> Compute Engine -> Add SSH keys on your instance
#copy your .pub key
#save instance settings

#now you can connect
ssh -i ~/Desktop/key user@vm_instance_ip
sudo -s #for root

#upload files with scp
scp -i ~/Desktop/key -r ws user@vm_instance_ip:~/

#done :)

ssh to gcp vm

gcloud compute ssh instance-b --project=PROJECT_ID --zone=ZONE