Download Automation through Chef Opscode: A Hands-on Approach to Chef by Navin Sabharwal, Manak Wadhwa PDF

By Navin Sabharwal, Manak Wadhwa

Automation via Chef Opscode offers an in-depth figuring out of Chef, that's written in Ruby and Erlang for configuration administration, cloud infrastructure administration, approach management, and community management.

Targeted at directors, specialists, and architect, the e-book courses them during the complicated good points of the instrument that are worthwhile for infrastructure automation, devops automation, and reporting. The booklet presumes wisdom of Ruby and Erlang that are used as reference languages for developing recipes and cookbooks and as a refresher on them to assist the reader get on velocity with the circulate of book.

The e-book presents step-by-step directions on deploy and configuration of Chef, utilization eventualities of Chef, in infrastructure automation through supplying universal situations like digital computer provisioning, OS configuration for home windows, Linux, and Unix, provisioning and configuration of internet servers like Apache in addition to renowned databases like MySQL.

It extra elaborates at the production of recipes, and cookbooks, which assist in deployment of servers and functions to any actual, digital, or cloud situation, irrespective of the dimensions of the infrastructure.

The books covers complicated good points like LWRPs and Knife and likewise comprises numerous illustrative pattern cookbooks on MySQL, Apache, and CouchDB deployment utilizing a step-by-step procedure.

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Additional info for Automation through Chef Opscode: A Hands-on Approach to Chef

Sample text

Thus, the client node uses the chef client to connect to the chef server and download the configuration details from the chef server. The chef client does the heavy lifting and processing to do the configuration changes required on the node. Thus, at the end of configuration, the chef node has the desired configuration based on the policies and role. The chef client only makes the required changes to the node and does not make any changes if nothing is required to be changed on the node. The steps required to bootstrap a node are as follows: 1.

The node name can be anything, but should be unique within a chef organization. rb). By default, chef uses Ohai to get the node name and it is the FQDN (fully qualified domain name) of the server. Using the FQDN as the node name, and then allowing Ohai to collect this information during each chef run is the recommended approach and the easiest way to ensure that the names of all nodes across the chef organization are unique. 49 CHAPTER 5 N NODES Manage Nodes Nodes can be managed in chef using various approaches.

If we are working in a production environment we should go for a DNS (Domain Name System) entry. u Git: Git must be installed on the server so that it is able to maintain the revisions of internal services. u NTP: As the chef server is sensitive to click drift, the server should be connected to an NTP server. u Apache Qpid: The daemon should be disabled on CentOS and Red Hat systems. u Make sure your firewall is configured properly. small instance on AWS (Amazon Web Services). It can also be installed on a local virtual machine with 1GB of RAM.

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