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Diffstat (limited to 'doc/rtd/howto/disable_cloud_init.rst')
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diff --git a/doc/rtd/howto/disable_cloud_init.rst b/doc/rtd/howto/disable_cloud_init.rst new file mode 100644 index 00000000..75e07001 --- /dev/null +++ b/doc/rtd/howto/disable_cloud_init.rst @@ -0,0 +1,39 @@ +.. _disable-Cloud_init: + +How to disable cloud-init +************************* + +One may wish to disable cloud-init to ensure that it doesn't do anything on +subsequent boots. Some parts of cloud-init may run once per boot otherwise. + +There are two cross-platform methods of disabling ``cloud-init``. + +Method 1: text file +==================== + +To disable cloud-init, create the empty file +:file:`/etc/cloud/cloud-init.disabled`. During boot the operating system's init +system will check for the existence of this file. If it exists, cloud-init will +not be started. + +Example: + +.. code-block:: + + $ touch /etc/cloud/cloud-init.disabled + +Method 2: kernel commandline +============================ + +To disable cloud-init, add ``cloud-init=disabled`` to the kernel commandline. + +Example (using GRUB2 with Ubuntu): + +.. code-block:: + + $ echo 'GRUB_CMDLINE_LINUX=cloud-init.disabled' >> /etc/default/grub + $ grub-mkconfig -o /boot/efi/EFI/ubuntu/grub.cfg + +.. note:: + When running in containers, ``cloud-init`` will read an environment + variable named ``KERNEL_CMDLINE`` in place of a kernel commandline. |