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Man Pages


Manual Reference Pages  -  KNIFE-SSL-FETCH (1)

NAME

knife-ssl-fetch - The man page for the knife ssl fetch subcommand. \$1 \n[an-margin] level \n[rst2man-indent-level] level margin: \n[rst2man-indent\n[rst2man-indent-level]] - \n[rst2man-indent0] \n[rst2man-indent1] \n[rst2man-indent2]

The knife ssl fetch subcommand is used to copy SSL certificates from an HTTPS server to the trusted_certs_dir directory that is used by Knife and the chef-client to store trusted SSL certificates. When these certificates match the hostname of the remote server, running knife ssl fetch is the only step required to verify a remote server that is accessed by either Knife or the chef-client.

WARNING: It is the user\(aqs responsibility to verify the authenticity of every SSL certificate before downloading it to the trusted_certs_dir directory. Knife will use any certificate in that directory as if it is a 100% trusted and authentic SSL certificate. Knife will not be able to determine if any certificate in this directory has been tampered with, is forged, malicious, or otherwise harmful. Therefore it is essential that users take the proper steps before downloading certificates into this directory.

Syntax

This subcommand has the following syntax:


$ knife ssl fetch URI_FOR_HTTPS_SERVER


Options

This subcommand has the following options:
-a SSH_ATTR, --attribute SSH_ATTR
  The attribute that is used when opening the SSH connection. The default attribute is the FQDN of the host. Other possible values include a public IP address, a private IP address, or a hostname.
-A, --forward-agent
  Use to enable SSH agent forwarding.
-c CONFIG_FILE, --config CONFIG_FILE
  The configuration file to use.
-C NUM, --concurrency NUM
  The number of allowed concurrent connections.
--chef-zero-port PORT
  The port on which chef-zero will listen.
--[no-]color
  Use to view colored output.
-d, --disable-editing
  Use to prevent the $EDITOR from being opened and to accept data as-is.
--defaults
  Use to have Knife use the default value instead of asking a user to provide one.
-e EDITOR, --editor EDITOR
  The $EDITOR that is used for all interactive commands.
-E ENVIRONMENT, --environment ENVIRONMENT
  The name of the environment. When this option is added to a command, the command will run only against the named environment.
-F FORMAT, --format FORMAT
  The output format: summary (default), text, json, yaml, and pp.
-G GATEWAY, --ssh-gateway GATEWAY
  The SSH tunnel or gateway that is used to run a bootstrap action on a machine that is not accessible from the workstation.
-h, --help Shows help for the command.
-i IDENTITY_FILE, --identity-file IDENTIFY_FILE
  The SSH identity file used for authentication. Key-based authentication is recommended.
-k KEY, --key KEY
  The private key that Knife will use to sign requests made by the API client to the Chef server.
-m, --manual-list
  Use to define a search query as a space-separated list of servers. If there is more than one item in the list, put quotes around the entire list. For example: --manual-list "server01 server 02 server 03"
--[no-]host-key-verify
  Use --no-host-key-verify to disable host key verification. Default setting: --host-key-verify.
OTHER The shell type. Possible values: interactive, screen, tmux, macterm, or cssh. (csshx is deprecated in favor of cssh.)
-p PORT, --ssh-port PORT
  The SSH port.
-P PASSWORD, --ssh-password PASSWORD
  The SSH password. This can be used to pass the password directly on the command line. If this option is not specified (and a password is required) Knife will prompt for the password.
--print-after
  Use to show data after a destructive operation.
-s URL, --server-url URL
  The URL for the Chef server.
SEARCH_QUERY
  The search query used to return a list of servers to be accessed using SSH and the specified SSH_COMMAND. This option uses the same syntax as the search sub-command.
SSH_COMMAND
  The command that will be run against the results of a search query.
-u USER, --user USER
  The user name used by Knife to sign requests made by the API client to the Chef server. Authentication will fail if the user name does not match the private key.
-v, --version
  The version of the chef-client.
-V, --verbose
  Set for more verbose outputs. Use -VV for maximum verbosity.
-x USER_NAME, --ssh-user USER_NAME
  The SSH user name.
-y, --yes Use to respond to all confirmation prompts with "Yes". Knife will not ask for confirmation.
-z, --local-mode
  Use to run the chef-client in local mode. This allows all commands that work against the Chef server to also work against the local chef-repo.

Examples

The following examples show how to use this Knife subcommand:

Fetch the SSL certificates used by Knife from the Chef server


$ knife ssl fetch


Fetch the SSL certificates used by the chef-client from the Chef server


$ knife ssl fetch -c /etc/chef/client.rb


Fetch SSL certificates from a URL or URI


$ knife ssl fetch URL_or_URI


for example:


$ knife ssl fetch https://www.getchef.com


CONTENTS

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AUTHOR

Chef
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KNIFE-SSL-FETCH (1) Chef 11.14

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