==STOP the google instance after test to stop the billing of computation==
===By browser===
Go to:
* https://console.developers.google.com/compute
* Tick the '''relax''' project and click the "Stop" button.
===By terminal===
<source lang="bash">
# Get at list of projects
gcloud compute --project "relax-1143" instances list
# Start it, it takes 30 seconds.
gcloud compute --project "relax-1143" instances start --zone "europe-west1-c" "relax"
ssh gcc_relax
exit
# Stop it through terminal
gcloud compute --project "relax-1143" instances stop --zone "europe-west1-c" "relax"
# This should now not work
ssh gcc_relax
</source>