How does cloud-init set hostname?

Set the hostname with cloud-init By default, the hostname is the same as the VM name when you create a new virtual machine in Azure. To run a cloud-init script to change this default hostname when you create a VM in Azure with az vm create, specify the cloud-init file with the –custom-data switch.

How do I update cloud-init?

Create a source instance

  1. The vmadm payload. { “alias”: “c6”, “hostname”: “c6”, “brand”: “bhyve”, “resolvers”: [ “8.8.
  2. Create the source instance.
  3. Upgrade cloud-init in the source instance.
  4. If creating from scratch…
  5. A workaround.
  6. Create the image.
  7. Install the new image.
  8. The test instance vmadm payload.

Where are cloud-init scripts stored?

/var/lib
The main directory containing the cloud-init specific subdirectories. It is typically located at /var/lib but there are certain configuration scenarios where this can be altered.

How do I change my Azure hostname?

Change the Hostname of a Primary or Replica Instance in Azure

  1. Take a snapshot of the virtual machine that requires a new hostname:
  2. After the snapshot is created, navigate to the Disks section in the Azure portal, click +Add in the upper left, and create a new disk that uses the new snapshot as the source.

How do I know if cloud-init is installed?

Check the cloud-init version

  1. Log on to the source server.
  2. Run the following command to check whether cloud-init is installed: which cloud-init.
  3. Run the following command to check the version of cloud-init: cloud-init –version.
  4. Back up data on the server.

Can you rename Azure VMs?

You can edit properties, tags or even resize Azure VMs after deployment. But, renaming Azure VMs or any other resources is not allowed. Then, creating a new virtual machine with a new name and old resources such as IP address and Disks.

How do I find my VM hostname?

Open SQL Management Studio. Right-click the database that vCenter Server is using. Open a new query window and ensure that the vCenter Server database is selected. This query returns the virtual machine ID, virtual machine name, host ID, and host name.

How do I disable cloud-init after first boot?

How to disable cloud-init in Ubuntu

  1. Disable all services (uncheck everything except “None”): sudo dpkg-reconfigure cloud-init.
  2. Uninstall the package and delete the folders sudo dpkg-reconfigure cloud-init sudo apt-get purge cloud-init sudo rm -rf /etc/cloud/ && sudo rm -rf /var/lib/cloud/
  3. Restart the computer sudo reboot.