How to re-run cloud-init without reboot

Question

I am using openstack to create a VM using \'nova boot\' command. My image is cloud-init enabled. I pass a --user-data script which is a bash shell format for cloud-init to run d

Answer 1

The commands have been updated so to re-run you need to clean out the existing config:

sudo cloud-init clean

Then re-run it using the init directive:

sudo cloud-init init

Beware: things like ssh host keys maybe regenerated.