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knife-role(1) -- Group common configuration settings
========================================
## SYNOPSIS
__knife__ __role__ _sub-command_ _(options)_
## ROLE SUB-COMMANDS
The following `role` subcommands are available:
## LIST
__knife role list__ _(options)_
* `-w`, `--with-uri`:
Show corresponding URIs
List roles.
## SHOW
__knife role show ROLE__ _(options)_
* `-a`, `--attribute ATTR`:
Show only one attribute
Show a specific role.
## CREATE
__knife role create ROLE__ _(options)_
* `-d`, `--description`:
The role description
Create a new role.
## EDIT
__knife role edit ROLE__ _(options)_
Edit a role.
## FROM FILE
__knife role from file FILE__ _(options)_
Create or update a role from a role Ruby DSL (`.rb`) or JSON file.
## DELETE
__knife role delete ROLE__ _(options)_
Delete a role.
## BULK DELETE
__knife role bulk delete REGEX__ _(options)_
Delete roles on the Chef Server based on a regular expression. The regular expression (_REGEX_) should be in quotes, not in //'s.
## DESCRIPTION
Roles provide a mechanism to group repeated configuration settings.
Roles are data structures that contain __default\_attributes__, and
__override_attributes__, which are nested hashes of configuration
settings, and a __run_list__, which is an ordered list of recipes and
roles that should be applied to a host by chef-client.
__default_attributes__ will be overridden if they conflict with a value
on a node that includes the role. Conversely, __override_attributes__
will override any values set on nodes that apply them.
When __chef-client__(8) configures a host, it will "expand" the
__run_list__ included in that host's node data. The expansion process
will recursively replace any roles in the run\_list with that role's
run\_list.
## SEE ALSO
__knife-node(1)__ __knife-environment(1)__
<http://docs.chef.io/roles.html>
<http://docs.chef.io/attributes.html>
## AUTHOR
Chef was written by Adam Jacob <adam@opscode.com> with many contributions from the community.
## DOCUMENTATION
This manual page was written by Joshua Timberman <joshua@opscode.com>.
Permission is granted to copy, distribute and / or modify this document under the terms of the Apache 2.0 License.
## CHEF
Knife is distributed with Chef. <http://docs.chef.io>
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