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L7-sysctl (9) Versions 0.1.8

Configures sysctl parameters

Berkshelf/Librarian
Policyfile
Knife
cookbook 'L7-sysctl', '= 0.1.8'
cookbook 'L7-sysctl', '= 0.1.8', :supermarket
knife cookbook site install L7-sysctl
knife cookbook site download L7-sysctl
README
Dependencies
Quality 0%

L7-sysctl cookbook

Build Status security Cookbook Version

Description

Configures sysctl system control parameters via Opscode Chef in /etc/sysctl.conf

Supported Platforms

  • Ubuntu 12.04+
  • Debian 7.0+

Recipes

  • L7-sysctl - The default no-op recipe.
  • Predefined parameters:
  • L7-sysctl::basic_securty - Sets kernel level security settings.
  • L7-sysctl::disable_ipv6 - If you do not use ipv6 then disable it.
  • L7-sysctl::enable_forwarding - Enables ipv4 forwarding.
  • L7-sysctl::less_swapping - Decrease swap ratio to 10 for less swapping.
  • L7-sysctl::no_overcommit - Do not overcommit available memory.
  • L7-sysctl::panic - Reboot on kernel panic.
  • L7-sysctl::tune_conntrack - Increase connection tracking buffers.
  • L7-sysctl::tune_shm - Increase shm.
  • L7-sysctl::tune_tck_stack - Tune tcp stack for higher throughput.
  • L7-sysctl::tune_vfs - Tune vfs.
  • L7-sysctl::disable_bridge_nf_call - Disable netfilter calls on bridged packets.
  • L7-sysctl::ipv6_no_autoconfig - No autoconfig for ipv6.
  • L7-sysctl::tcp_congestion_yeah - Sets the tcp congestion control to YeAH.
  • L7-sysctl::tcp_fastopen - Enable client/server side tcp fast open.

Usage

  • Include L7-sysctl::default recipe in your runlist.
  • Place 'depends L7-sysctl' in the metadata of your cookbook.

  • name: The sysctl parameter name.

  • comment: Optional string for identification.

  • value: Must be set to proper value.

  • immediately: Optional true/false. Sets value at runtime or at the end of chef run. Default: false.

L7_sysctl 'net.ipv4.ip_forward' do
    comment 'Enable ip forwarding'
    value '1'
    immediately true
end

TODO

  • Rewrite to LWRP

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

License

  • Freely distributable and licensed under the MIT license.
  • Copyright (c) 2015 Gabor Szelcsanyi

image

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Foodcritic Metric
            

0.1.8 failed this metric

FC015: Consider converting definition to a LWRP: /tmp/cook/6fd34dc7202229097df3d700/L7-sysctl/definitions/default.rb:1
FC019: Access node attributes in a consistent manner: /tmp/cook/6fd34dc7202229097df3d700/L7-sysctl/recipes/tcp_fastopen.rb:14