Change a Tag's Value

To change a tag's value:

Enter the following command and parameters:
euca-create-tags [resource]  --tag [key=value]
Eucalyptus returns a the resource identifier and its tag key and value.

The following example changes the value of the stack tag for one of your EMIs from prod to test:

euca-create-tags emi-1a2b3c4d  --tag stack=dev
TAG  emi-1a2b3c4d  image  stack  dev