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Before we explain what is Puppet, the most significant thing you must to understand is “what is configuration administration?” in Puppet Tutorial. Therefore, let’s begin by knowing what it is. Configuration management is a collection ofn methodologies and controls, managed to conserve track of the prevailing build status and configuration of a system.
What is Puppet?
It is utilized to maintain a record of the performances, roles, configuration and operational data of each system. Presently, getting back to Puppet, it is a configuration management technology which is accessible as an open source as well as business version. It is generated by Puppet labs and composed in Ruby (DSL) Domain-specific language. Puppet operates on UNIX-like also Windows systems and is employed to control the configuration of those systems. Puppet Tutorial helps Ruby and its own Puppet declarative language.
Why do we use Puppet?
- Puppet is an example of the most successful configuration administration devices in the IT world these days. It is being widely adopted in Fortune500 organizations as well. Largest of the businesses practicing DevOps methodologies are getting inclined towards utilizing Puppet. There are various reasons demonstrating why it is coming out on the peak when analyzed with other configuration management device so as the chef:
- Puppet Tutorial presents extended platform provider. For instance, following are the stages you can control utilizing Puppet:
- Debian/ Ubuntu
- Microsoft Windows
- Redhat, Centos, Fedora
- MACOS X Server
- Puppet has high-grade documentation
- Unlike other configuration administration devices, Puppet, later deploying a configuration on any system remains to check those configurations later specified intervals. These intervals can be altered by you too.
- Puppet is being adopted by some of the significant companies in the enterprise similar Google, Red Hat, etc.
- Puppet benefits DevOps professionals and System administrators to run quicker and cleverer
Puppet architecture and Puppet components
Puppet accompanies the client-server structure where the customer is what we describe Puppet proxy and the server is something we call the puppet master.
Following are the elements of Puppet Tutorial structure:
Puppet Master: Puppet master is what that manages the complete configuration associated data. Puppet master operates on the designated server and runs the entire configuration, deployments, etc.
Puppet Agent: Puppet agent works on the customer. Puppet agents are the original performance computers controlled and manipulated through the puppet master
Config Repository: Config Repository is where the whole server associated configurations and nodes are saved. They can be extracted anytime they are needed
Facts: They are the global variables holding details recited to the machine such as performing system and web interfaces.
They are employed to investigate the prevailing status of any node.
Catalog: All the configurations that are composed in puppet are transformed to an organized format which is described catalog and when those catalogs are implemented in the end system.
Manifests: Manifests are the files where all the sources, that is, settings, containers or files that want to be restrained and varied are declared. Manifests have the continuation “.pp”.
Module: A module is a set of manifest files arranged in a way that it promotes the distribution of the files.
Class: Puppet similar other programming languages including has classes to create the codes properly, making it simpler to read and interpret the code and to reuse remarkable parts of the code. (DevOps Training Online)
Resources: In puppet codes, the coding block that is defined through indicating sources where sources may denote packages, users, commands, files.
Nodes: All the servers or customers that are to be executed where puppet agents established are designated the nodes.
How does Puppet work?
Puppet has an easy yet dynamic workflow. The puppet master comprises all the configuration data for various nodes that the puppet master checks, utilizing manifests.
Let’s learn the workflow of Puppet Tutorial step by step:
The nodes that the puppet master regulators have Puppet agent established on them. The agent accumulates all the configuration data regarding their critical nodes utilizing evidence. Agents then convey facts to the puppet master.
Later obtaining all the data, the puppet master collects a catalog based on the data on how the nodes should be configured. Puppet master next transmits back the catalog upon Agents. (Chef DevOps Training)
Every Agent when exercises those catalogs and the data in them to make required configuration updates on their nodes and then communicates after to the puppet master.
The puppet master can further distribute the records with a third party device if demanded.
Later serving made by the pre-installs jobs let’s begin by the installation. We will be displaying the instructions step by step to establish puppet at RHEL
Step 1: Allowing the Puppet case Container
Operate the subsequent instruction to allow the repository:
sudo rpm -ivh https://yum.puppetlabs.com/puppetlabs-release-el-7.noarch.rpm
Step 2: (optional) letting the prereleases
Practice the subsequent command to permit prereleases
[puppetlabs-devel]name=Puppet Labs Devel <%= @dist.capitalize -%><%= @version -%> – $basearch
baseurl=https://yum.puppetlabs.com/<%= @dist.downcase -%>/<%= @codename -%>/devel/$basearch
To disable, simply installed the value of enabled back to 0.
Step 3: To update the puppet master to the latest version, operate the later command
sudo puppet resource package puppet-server ensure=latest
Restart the puppet master after upgrading
Step 4: Establishing the Agent nodes:
On all the other nodes operate the next command
sudo yum install puppet
Step 5: To upgrade the puppet agent, use the following command
sudo puppet resource package puppet ensure=latest
Later all the earlier steps, Puppet is instantly installed yet still not configured. Presently follow the subsequent steps and your puppet will be configured in no time:
Step 1: Building Puppet master’s certificate.
You require to conceive sure that you have the main title for Puppet aids at your site and that the DNS solves it to puppet master.
Go to “main” section of the puppet.conf file of master and make a list of comma separated hostname that the master is allowed to use and set that as the value of dns_alt_names:
dns_alt_names =puppet,puppet.example.com,puppet master, puppet master. example.com
To produce the puppet certificate, practice the following command:
sudo puppet master –verbose –no-daemonize
press ctrl+C once it displays the Puppet master version.
Step 2: Starting and enabling the puppet master service
Do the next command
systemctl start puppetmastersystemctl enable puppetmaster
Step 3: Configuring the agent node:
In the agent section of the puppet.conf file of agent node, add:
Step 4: use the following command to start the puppet agent service:
sudo puppet resource service ensure=running enable=true
(In windows, to start the agent service, just omit the sudo from the command)
Step 5: Creating signing application for puppet agent node:
When the agent nodes attempt to run for the first time, they will request certificates. The admin has to approve the certificates.
Log into the puppet master and run the following command to view the outstanding requests:
sudo puppet cert list
Run the following command to sign all requests:
sudo puppet cert sign –all
Step 6: Apply the subsequent instruction to begin and let the puppet agent:
systemctl start puppetsystemctl enable puppet
Step 7: To check if the certificates were employed accurately, apply the resulting command
Puppet agent –fingerprint And by this terminal command, your puppet is all installed, configured and equipped to be employed. (e Learning Portal)
Puppet Tutorial is on its approach to enhancing a de facto standard for configuration administration. Higher than 75% of the Fortune 100 organizations are applying Puppet these days. Beside Puppet in the representation, the system administrators are instantly capable to do all those responsibilities that were once recognized tiresome to do. The duties such as examining, controlling, administering and implementing the modifications in software, despite where it works, don’t make the system administrators sweat anymore because this DevOps device, Puppet came to the liberation
To study puppet in detail, check out the DevOps Certification training by SVR Technologies where simultaneously with Puppet Tutorial, you will additionally get to study other DevOps devices so as Git, Jenkins, and Chef.
DevOps Training Course Curriculum
- Linux basics
- Shell Scripting
- Git Topics
- Cloud Computing
- What is Operating system
- Types of Operating System
- Structure of Operating System
- History of Linux & Unix
- Difference between Linux and Unix
- Difference between Linux and Windows
- Linux Features
- Linux Flavours Linux
- Redhat Linux Installation
- Linux File System Hierarchy
- Linux Bash Command Line Utilities
- GUi editors V/s CLI Editors
- Linux Partition Management
- Linux Boot process
- VMware overview
- Need of scripting
- Scripting with schedulers
- Real time scripts
▸Introduction to Chef
▸ What is chef
▸ Difference between Chef open source and enterprise
▸ Architecture Design of Chef
▸ Resources of Chef
▸ Overview of Chef server, Organisation and Starter-Kit
▸ Overview of Chef Workstation
▸ Overview of Chef Client
▸ Access to Chef Server
▸ Installation of Chef work station
▸ Installation of Chef clients
▸ Chef Boot strap
▸ Addition of chef client to chef server
▸ Introduction to cook book and recipe
▸ Cookbook creation and writing recipes
▸ Locating chef clients from server
▸ Knife commands
▸ Executing cookbooks on clients
- Difference between puppet open source and enterprise
- Architecture of Puppet
- Resources of Puppet
- Installation and configuration of Puppet Master
- Installation and configuration of Puppet Agent
- Addition of agents to Puppet Master
- Puppet manifests
- How to write basic manifests
- Executing manifests from Agents
- Architecture of Ansible
- Installation of Ansible Server
- SSH key generation on Ansible Server
- Key Based connection to Ansible Nodes
- Introduction to Playbooks
- Executing playbooks on Ansible nodes
- SVN v/s GIT
- Local Repository V/s Online Repository
- Installation of GIT
- GIT Initialization
- Tracked v/s Untracked files
- Git Commit
- Git Logs
- Branches in GIT
- GIT Merge
- Git Clone
- Git Push
- Git Pull
- Introduction to Maven
- Introduction to POM.xml
- Generating POM.xml
- Execution of Maven Life Cycle
▸Introduction to Jenkins
▸ Installation and configuration of Jenkins
▸ Overview of Jenkins Dashboard
▸ Continuous Integration with Jenkins
▸ Creating jobs with Jenkins
▸ Maven integration with Jenkins
▸ Java integration with Jenkins
▸ Git integration with Jenkins
▸ Jenkins Build Pipeline
▸ Jenkins Upstream and Downstream
- Overview of Containers
- Containers v/s HyperVisors
- Installation of Docker
- Docker commands
- Managing DockerHub
- Introduction to Swarm Manager
- Installation of Docker Swarm manager
- Adding Docker Noders to Swarm Manager
- Definition of Monitoring, Benefits and types of Monitoring tool
Process based concepts on Threshold value, Alerts, Priority
levels and Escalation Format
Roles of Linux Engineer:
- Worked as a Linux Engineer in 24/7 team responsible to
maintain servers and provide FCR at any point of time.
Monitoring / Troubleshooting the following alerts / issues.
2. Load Average
3. Memory Usage
4. Network Issues
5. Disk Space issues
6. Service Status
7. Website Blips
- Perform the TRIAGE with regards to the alerts by following SOP and find the RCA.
- Escalating the alerts to level-2 team incase unable to provide
- Creating a production ticket for each and every alert.
- Open trouble tickets with the 3rd party service provider for
any network outages, site blips, database issues & Disk failed
▸ Understanding of Cloud Computing
▸ Overview of On-Premises Data Centre
▸ Types of Cloud Computing
▸ Services of Cloud Computing
EC2 INSTANCES and its types
- Spot Requests
- Reserved Instances
- Dedicated Hosts
ELASTIC BLOCK STORE
NETWORK & SECURITY
- Security Groups
- Elastic IPs
- Placement Groups
- Key Pairs, Network Interfaces
- Load Balancers
- Target Groups
DevOps is a collaboration among progress and processes that increase potency concerning both partners, issues in high-speed deploys, and implants industrialization into the lifecycle of an appeal. By CBT Nuggets practice, you can improve the abilities to build a DevOps profession.DevOps represents a tending and set of methods that deliver advancement and services teams collectively to perform software evolution. It enables companies to create and develop products at a quicker pace. They can deal with universal software extension access.
Any graduate can pick their choice to specialize in this particular module.
Group discounts you can expect when participants are more than 2.
SVR with experienced faculty and 24/7 friendly support. We provide all trending courses in USA,UK,Canada,India all over the world.
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About Our Faculty
The trainer who has real-time experience more than 10 years.
Yes, the faculty has more the 11+ years of experience in real-time.
✓ Successfully trained more than 60 batches
✓ Trained more than 550 learners
Absolutely, the trainer concentrates on 30% theoretical and 70% on practical.
Obviously, the faculty clears all the doubts during the session.
Yes, we suggest you and support for making CV Preparation.
In CV Preparation for real time projects provide template documentation for implementation project. You can access practice that in your idea system. If you have any difficulty, you can approach the trainer.
Yes, we will provide sample C.V’s for experience 2-3 years.
Definitely, we help you during C.V Preparation.
Yes during the course, we will guide you and give you clear picture about certification procedure.
All the topics will be covered during the course. We provide question banks which will be helpful for you to attempt for certification.
Even after completion of course, you can approach trainer if you have any doubt regarding certification.
Surely, We provide the certification sample query’s and references.
The certification has the multiple impact and encouraging factors in the recruitment of experts. Organizations claim that hiring certified professionals has served them with greater deployment and yield on investment. Check Cloud Career Building Up Force for New age IT Professionals to understand the career benefits.
Yeah, Even after the completion of course, we will provide you some interview questions where you can concentrate on them.
We provide excellent study materials and customizable course curriculum to students for superior quality training and we also provide videos recordings which support throughout your career.
At the completion of this course, with hands on training definitely give you confidence that you go in interview with leaving 3 years of experience.
Is it Job Guarantee Program ?
Institute doesn’t provide you any guarantee to get a job but as a guide as a mentor, as a friend we will always provide you a good opportunity.
We will definitely help you in attending interviews and it’s your caliber, hard-work and ability.
Even after getting job when you stuck in any problem we will help but not for sure.
We are ready to help always, however it should fit in our course curriculum.
We record each LIVE class session you undergo through and we will share the recordings of each session/class.
If you are enrolled in classes and/or have paid fees, but want to cancel the registration for certain reason, it can be attained within 48 hours of initial registration. Please make a note that refunds will be processed within 30 days of prior request.
Yes. All the training sessions are LIVE Online Streaming using either through WebEx or GoToMeeting, thus promoting one-on-one trainer student Interaction.
Trainer will provide the Environment/Server Access to the students and we ensure practical real-time experience and training by providing all the utilities required for the in-depth understanding of the course.