DevOps - Complete Overview

Part 0:DevOps Introduction

• Understanding Development
• Development SDLC : WaterFall & Agile
• Understanding Operations
• Dev vs Ops
• DevOps to the rescue
• What is DevOps
• DevOps SDLC
• Continuous Delivery model
• DevOps tools for DevOps SDLC
• DevOps Roles & Responsibilities

Part 1: OS, Virtualization & Networking

Linux Quickstart

• Linux Introduction, Principles & Linux distro
• Command line utilities & Basic commands
• Linux Filesystem
• Text Editors (VIM)
• Filters & I/O Redirections
• Users & Group administration
• File permissions & Ownerships
• Sudo
• Software Management: Redhat & Ubuntu
• Useful tools: ssh, telnet, scp, rsync, disk utils, backups etc
• Service & Process management
• Systems and HW stats

Networking fundamentals Part 1

• Components of computer networks
• Classification: LAN, WAN, Peer to Peer network, Server based
• Switches
• Routers
• Network Architecture
• Protocols
• Port numbers
• DNS
• DHCP
• IP Addresses

Vprofile Web Application Architecture.

• Infrastructure
• Network layout
• Services & Components
• Databases
• Datastores
• Architecture from a DevOps perspective.

Virtualization

• Introduction & Real time use cases
• Hypervisors
• Virtualbox
• Vagrant
• Vagrant on windows
• Vagrant on Linux
• Vagrant Cloud
• Automating virtual machines
• Vagrant & Virtualbox for Lab setup
• Create & Manage your own Lab on any computer

Implementing Vprofile on VM’s

• Setup all vprofile services in Single VM
• Create multiple vm’s through Vagrant
• Setup Vprofile multistack in multiple vm’s
• Validate and test Multistack Vprofile App

Part 2 Cloud computing

• Introduction to cloud computing.
• DevOps & Cloud
• Public, Private & Hybrid cloud
• IAAS, PAAS & SAAS
• Cloud computing & DevOps

AWS part 1

• Introduction to Public cloud with AWS
• Setup your own account and Manage it
• IAM: Manage users, groups, roles & policies
• Secure your AWS account
• Ec2 services: Instances, AMI, EIP, Security groups, key pairs
• EBS: Manage Volumes for ec2, backups & restores
• ELB: Load balance your own website
• S3: Use S3 to host websites & as a centralised storage
• RDS: Setup & Manage your own Highly available Database

Vprofile on AWS cloud.

• Create multiple Ec2 instances for setting up Nginx and Tomcat
• Setup and use Elasticache, ElasticSearch, SQS, RDS, S3 for Vprofile backend services.
• Setup AWS Elastic Load Balancer in front of Nginx or Tomcat for High Availablity.
• Monitor everything with AWS Cloudwatch.

Part 3 Automation, Orchestration & Config Managment Version control system with Git

• What is VCS & why it is needed
• DevOps use cases
• Setup your own repo with git
• Manage your code base/source code with GIT & GITHUB

Continuous Integration with Jenkins

• Introduction to Continuous Integration.
• Build & Release and relation with DevOps
• Understanding development and developers
• Why continuous integration
• Jenkins introduction and setup
• Jenkins projects/jobs
• Jenkins plugins
• Jenkins administration:
• Users
• Nodes/slaves
• Managing plugins
• Managing software versions
• • Introduction
  • Phases
  • Java builds
• Build and Release job/project setup
• Nexus:
• Intro & Setup
• Software versioning & Hosted repository
• Integration with Jenkins
• Continuous integration job/project setup
• Complete Jenkins project:
• Packing Artifacts
• Static Code Analysis
• Tomcat setup Staging & productions
• Artifacts deployments to web servers from Jenkins
• Build Pipeline
• Jenkins not just CI tool anymore
• More DevOps use cases of Jenkins

Continuous Integration for Vprofile Application.

• Setup Jenkins, Maven and Git for building Vprofile source code.
• Sonarqube for Code Analysis.
• Version vprofile softwares and upload it in Nexus repository.
• Deploy Vprofile software to tomcat server.
• Continuous Software Testing for Vprofile after deployment.
• Vulnerability testing for Vprofile with security tools.
• Alerting Developers for any build issues.
• Complete Continuous Delivery Build Pipeline for Vprofile on Dev, QA, UAT and Production Environment.

Ansible

• Configuration Management & Automation
• What is Ansible & its features
• Ansible setup on local & cloud
• Understanding Ansible architecture & Execution
• Inventory
• Ad-hoc commands: Automating change Management with Ad Hoc commands
• Playbook Introduction
• Ansible configuration with ansible.cfg
• Ansible Documentation
• Modules, modules & lots of modules
• Writing playbook for webserver & DB server deployments
• Tasks
• Variables
• Templates
• Loops
• Handlers
• Conditions
• Register
• Debugging
• Ansile Roles
• Identify server roles
• Roles structure
• Creating, Managing and executing roles
• Ansible Galaxy
• Exploring Roles from Galaxy
• Download Galaxy roles and integrate with your code
• Ansible Advanced Execution
• Improving execution time
• Limiting and selecting tasks
• Troubleshooting and Testing

Puppet

• Config Management with Puppet
• Difference between Puppet & Ansible
• Puppet server & agent setup
• Writing puppet manifests
• Managing multi OS(RedHat & Ubuntu) with puppet
• Setup LAMP Stack with Puppet
• Resources
• Variables
• Selectors
• Classes
• Variables
• Conditions
• Modules
• Puppet Forge modules:
• Apache
• VCS
• Firewall
• Mysql
• Templates
• Hiera

Vprofile Continuous Delivery project

• What is Continuous delivery & why its needed
• Continuous delivery vs continuous deployments
• Overview of the project
• Infrastructure setup for the project
• Integrating, AWS, Git, Jenkins, Nexus, Ansible, Webservers, Backends & DBservers
• Project execution step by step.
• Build triggers
• Build Pipeline
• Deploy latest/old/any version of artifacts on Dev, QA, UAT & Production Environment.

Continuous Delivery project

• What is contnous delivery & why its needed
• Continuous delivery vs Continuous deployments
• Overview of the project
• Infrastructure setup for the project
• Integrating, AWS, Git, Jenkins, Nexus, Ansible, Webservers & DBservers
• Project execution step by step.
• Build triggers
• Build Pipeline
• Deploy latest/old/any version of artifacts

Part 4 Dockers & Containers

• What are containers
• Difference between VM’s & Containers
• Hypervisor Vs Docker Engine
• Docker Introduction
• Docker installation
• Images & containers basics
• Images
• Docker Images Deep Dive
• DockerHub
• Pull & Push images
• Building your own Image with Dockerfile
• Docker & Jenkins integration
• Hosting & Managing Images
• Containers
• Deep Dive
• Running, Stopping, Deleting, Inspecting & Managing containers
• Docker networking
• Web server examples
• Local Development workflow
• Docker Compose
• Automated WorkFlow/ Continuous delivery of dockers
• Docker Orchestration with Kubernetes
• Microservice Architecture
• Why Containers for microservices
• Kubernetes Intro & Architecture
• Kubernetes setup
• Running Docker containers on kubernetes
• Kubectl
• Pod
• Service
• Replication controller & Set
• Deployment
• Whats Next in container world

Containerizing Vprofile Applications

• Learn to containerize Vprofile all the services with Dockerfile and Build.
• Continuous Integration of docker images from Jenkins.
• Docker compose to run multistack vprofile app on Docker Engine.
• Kubernetes Definitions for Vprofile all the containers and services.

Networking fundamentals Part 2

• Ip Addresses & Subnet Masks
• IP Address Ranges
• Subnetting
• Private Vs Public networks
• High Availability
• Firewalls & NACL

AWS Part 2

• Ip Addresses & Subnet Masks
• VPC: Setup Highly Available & Secure network on AWS
• CloudWatch: Monitor you AWS setup
• Autoscaling with ELB
• Beanstalk: Setup and automated deployments

Next Level of DevOps > DevSecOps

• Information Security Overview
• Security Threats and Attack vectors
• Hacking concepts
• Hacking Phases
• Attack Types
• Penetration Testing
• DevOps & PenTest
• PenTest tools
• Kali Linux OS
• Vulnerability Assessment tools
• Metasploit
• Nmap
• Nessus

Part 6: More DevOps tools (Optional)

• Chef
• Chef Overview and comparison with Ansible & Puppet
• Understanding chef concepts.
• Writing chef recipes
• Creating cookbooks
• Hosted chef server
• Knife
• Bootstrapping/ adding nodes
• Roles
• Berkshelf
• Setting up your own chef server
• Managing chef from Chef UI
• Databags
• Chef supermarket
• Monit
• SonarQube integration with Jenkins
• Troubleshooting issues in DevOps implementations
• AWS automation with Ansible
• AWS cli, S3fs & S3cmd
• Terraform
• DevOps job profiling, Interview questions.
• How to keep up with DevOps latest tools