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prd-web-01.centraldc.gr

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EDITING: data.yaml

cc_ssh:
  description: |
    This module handles most configuration for SSH, and for both host and
    authorized SSH keys.

**Authorized keys**

Authorized keys are a list of public SSH keys that are allowed to connect
    to a user account on a system. They are stored in ``.ssh/authorized_keys``
    in that account's home directory. Authorized keys for the default user
    defined in ``users`` can be specified using ``ssh_authorized_keys``. Keys
    should be specified as a list of public keys.

.. note::
       See the ``cc_set_passwords`` module documentation to enable/disable SSH
       password authentication.

Root login can be enabled/disabled using the ``disable_root`` config key.
    Root login options can be manually specified with ``disable_root_opts``.

Supported public key types for the ssh_authorized_keys are:

- rsa
    - ecdsa
    - ed25519
    - ecdsa-sha2-nistp256-cert-v01@openssh.com
    - ecdsa-sha2-nistp256
    - ecdsa-sha2-nistp384-cert-v01@openssh.com
    - ecdsa-sha2-nistp384
    - ecdsa-sha2-nistp521-cert-v01@openssh.com
    - ecdsa-sha2-nistp521
    - sk-ecdsa-sha2-nistp256-cert-v01@openssh.com
    - sk-ecdsa-sha2-nistp256@openssh.com
    - sk-ssh-ed25519-cert-v01@openssh.com
    - sk-ssh-ed25519@openssh.com
    - ssh-ed25519-cert-v01@openssh.com
    - ssh-ed25519
    - ssh-rsa-cert-v01@openssh.com
    - ssh-rsa
    - ssh-xmss-cert-v01@openssh.com
    - ssh-xmss@openssh.com

.. note::
       This list has been filtered out from the supported key types of
       `OpenSSH <https://github.com/openssh/openssh-portable/blob/master/sshkey.c>`_
       source, where the ``sigonly`` keys are removed. See ``ssh_util`` for
       more information.

``rsa``, ``ecdsa`` and ``ed25519`` are added for legacy, as they are
       valid public keys in some older distros. They may be removed in the
       future when support for the older distros is dropped.

**Host keys**

Host keys are for authenticating a specific instance. Many images have
    default host SSH keys, which can be removed using ``ssh_deletekeys``.

Host keys can be added using the ``ssh_keys`` configuration key.

When host keys are generated the output of the ``ssh-keygen`` command(s)
    can be displayed on the console using the ``ssh_quiet_keygen``
    configuration key.

.. note::
       When specifying private host keys in cloud-config, take care to ensure
       that communication between the data source and the instance is secure.
    
    If no host keys are specified using ``ssh_keys``, then keys will be
    generated using ``ssh-keygen``. By default, one public/private pair of
    each supported host key type will be generated. The key types to generate
    can be specified using the ``ssh_genkeytypes`` config flag, which accepts a
    list of host key types to use. For each host key type for which this module
    has been instructed to create a keypair, if a key of the same type is
    already present on the system (i.e. if ``ssh_deletekeys`` was set to
    false), no key will be generated.

Supported host key types for the ``ssh_keys`` and the ``ssh_genkeytypes``
    config flags are:

- ecdsa
    - ed25519
    - rsa

Unsupported host key types for the ``ssh_keys`` and the ``ssh_genkeytypes``
    config flags are:
    
    - ecdsa-sk
    - ed25519-sk
  examples:
  - comment: |
      Example 1:
    file: cc_ssh/example1.yaml
  name: SSH
  title: Configure SSH and SSH keys

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 data.yaml	YAML	3.4 KB	2024-11-25 16:09	EDIT
📄 example1.yaml	YAML	765 B	2024-11-25 16:09	EDIT

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