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jn_sysctl (6) Versions 2.0.0

Configure/Set sysctl paramaters

Berkshelf/Librarian
Policyfile
Knife
cookbook 'jn_sysctl', '= 2.0.0'
cookbook 'jn_sysctl', '= 2.0.0', :supermarket
knife cookbook site install jn_sysctl
knife cookbook site download jn_sysctl
README
Dependencies
Quality

DESCRIPTION

Manage sysctl sysctl provider. Default recipe reads key value pairs from node attributes and ensures the system state.

NOTE: If you are getting this from the community site I've renamed it jn_sysctl, you will have to rename the cookbook to sysctl

WARNING: The default behavior on non-debian flavors is to write out /etc/sysctl.conf, which if you don't have settings in chef means you can kill your existing config. the sysctl_file atribute can control where this file goes in a role/override if you wish.

Attributes

  • sysctl: Hash of k/v pairs with sysctl settings.
  • sysctl_file: The location we write out the configuration defaults to /etc/sysctl.conf on anything not debian flavor defaults to /etc/sysctl.d/99-chef.conf on debian

Sysctl LWRP

Properties

  • name: The key name. Defaults to the resource name i.e. sysctl "some.key"
  • value: what to set this key to
  • save: save the setting back to the node data (default: false)

Actions

  • :set Make sure the running state is set (default)
  • :write Write the config file (default)

Known Bugs

  • only intended to be used on Linux

Example Usage

LWRP

Ensure running state, and write this key to sysctl.conf

sysctl "kernel.sysrq" do
   value 1
end

Check out example/recipes/example.rb For more recipe examples.

Attributes

In a role attribute or override:

{
  "sysctl": {
    "net.ipv4.tcp_window_scaling": 0
  }
}

Check out example/attributes/example.rb For more attribute examples.

Author and License

Author Jesse Nelson spheromak@gmail.com

Copyright 2011-2013, Jesse Nelson

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Dependent cookbooks

accumulator >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

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