What are the key reasons to choose Puppet
Puppet is a configuration Tool which is use to automate administration tasks.Puppet Agent(Client) sends request to Puppet Master (Server) and Puppet Master Push Configuration on Agent.
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What are the objectives and learning outcomes of puppet course?
Puppet course is designed to enhance the features of Puppet for maintaining and automating a network with scalable, and high performance systems. With Puppet, ensuring and proving security and compliance becomes efficient, automatic, and transparent. Puppet Course Objectives are as follows:
Introduction to Puppet InfrastructureSetting up Learning EnvironmentResources, RALs and ManifestsModules, Ordering and the TrifectaVariables and FactsCode CompressionPuppet Master/Agent and ForgeRelated Jobs and Positions in the Industry
The sessions are completely practical and interactive paired with real-time methodologies and project Scenarios to gain complete knowledge to deal with problems and provide better solutions.
As system administrators acquire more and more systems to manage, automation of mundane tasks is increasingly important. Rather than developing in-house scripts, it is desirable to share a system that everyone can use, and invest in tools that can be used regardless of one’s employer. Certainly doing things manually doesn’t scale.
Enroll for Instructor Led Puppet Training.Puppet has been developed to help the sysadmin community move to building and sharing mature tools that avoid the duplication of everyone solving the same problem. It does so in two ways:
It provides a powerful framework to simplify the majority of the technical tasks that sysadmins need to perform.The sysadmin work is written as code in Puppet’s custom language which is shareable just like any other code.This means that your work as a sysadmin can get done much faster, because you can have Puppet handle most or all of the details, and you can download code from other sysadmins to help you get done even faster. The majority of Puppet implementations uses at least one or two modules developed by someone else, and there are already hundreds of modules developed and shared by the community.
Idempotency, One big difference between Puppet real time scenarios and most other tools is that Puppet configurations are idempotent, meaning they can safely be run multiple times. Once you develop your configuration, your machines will apply the configuration often – by default, every 30 minutes – and Puppet will only make any changes to the system if the system state does not match the configured state. If you tell the system to operate in no-op (“aka dry-run”), mode, using the –noop argument to one of the Puppet tools, puppet will guarantee that no work happens on your system. Similarly, if any changes do happen when running without that flag, puppet will ensure those changes are logged. Because of this, you can use Puppet to manage a machine throughout its life cycle – from initial installation, to ongoing upgrades, and finally to end-of-life, where you move services elsewhere. Unlike system install tools like Sun’s Jumpstart or Red Hat’s Kickstart, Puppet configurations can keep machines up to date for years, rather than just building them correctly only the first time and then neccessitating a rebuild. Puppet users usually do just enough with their host install tools to boostrap Puppet, then they use Puppet to do everything else.
Cross Platform, Puppet’s Resource Abstraction Layer (RAL) allows you to focus on the parts of the system you care about, ignoring implementation details like command names, arguments, and file formats – your tools should treat all users the same, whether the user is stored in NetInfo or /etc/passwd. We call these system entities resources. Ralsh, listed in the Tools section is a fun way to try out the RAL before you get too deep into Puppet language.