How to use Chef to automate your KMS encryption process

17May,17 Post Image

Since its inception in 2009, Chef has quickly become the go-to configuration management tool for developers and companies. While the tool is highly successful at streamlining the tasks of configuring and maintaining a company’s servers, handling sensitive data within Chef continues to be a bit of a challenge. For companies that are dealing with extremely […]

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Manage AWS resources using CloudFormation and Chef

Hi Folks, I’m writing this post to share – on how we used CloudFormation to manage AWS resources and exploited AWS CloudFormation application bootstrap helper scripts to register EC2 machines with Chef server for automation. AWS CloudFormation’s templates describe the AWS resources, and any associated dependencies or runtime parameters, required to run your application. To […]

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Alerting for stale nodes on Chef with Nagios

With the new version of Chef we have more options and more features and an even better knife status command, which brings us to the discussion at hand which is how to alert for stale nodes on Chef using Nagios:- The knife status command is used to display a brief summary of nodes on a […]

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Upgrading from Chef 10 to Chef 11

We shall be using the knife-essentials plugin to upgrade from Chef 10 to Chef 11. Prerequisites To upgrade, you need a live Chef 10 and Chef 11 server, and a knife workstation that can hit them both, loaded with the latest knife-essentials. 1. To install Chef 11, follow instructions here. Note: If we are going […]

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Parse ohai output with jq

Ohai is a tool which is used  by chef-client to obtain information about  the node’s platform detail, networking usage, memory usage, processor usage , kernel data , host names, fully qualified domain names and other configuration. It also has command line tool which displays the data in Json. ohai  | head -4 { "languages": { […]

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