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DevOps Introduction

Understanding Developement
Developement SDLC : WaterFall & Agile
Understanding Operations
Dev vs Ops
DevOps to the rescue
What is DevOps
DevOps SDLC
Continous Delivery model
DevOps tools for DevOps SDLC
DevOps Roles & Responsiblities

Linux

Linux Quickstart

Linux Architecture (Linux Flavors and Kernel)
Understanding core principle of Linux OS
Centos 7 version Installation as of today on Oracle VirtualBox
SSH and Password based communication
Core fundamentals for Root Filesystem (/)
Accessing Server and Managing networking (IP addresses and Classes etc.,)
Understanding basic commands as initial stage like ssh, ls, ip, cp, mv, mkdir, apt etc.,
Package management with RPM and YUM commands
Installing packages on Centos and understand the default files and folders to be managed
Linux file editors like vi.
Linux File permissions and ownership management with chown and chmod commands
System and Network troubleshooting commands
Disk partitions and LVM (Logical Volume Manager)
Components of computer networks
System performance tools

Shell Scripting

What are commands and shell scripts?
Types of shells support in Linux OS
Difference between sh and bash
Permissions and execution
Variables and Arrays
Conditions and Loops
IO Redirection
Shell Functions
Exit codes
Important commands for scripting and daily operations like grep, awk, sed, find etc.,
Signals and numbers

Networking

IP address types like IPv4 and IPV6
What is IPv4?
Classes
IP address
Public and Private IP addresses
Subnet
Broadcast
CIDR
Gateway IP address and NAT Gateway
Routers and Switches
DNS
Hostname
How to calculate IP address using simple formulas?
How to assign IP address and handle network in Linux OS Machines (VMs or Bare- Metal Servers)
Network troubleshooting tools like ping, netstat, nmap, traceroute etc.,
How to manage Virtual Network will be covered in AWS VPC Network

Ansible (Configuration Management Tool)

What is Configuration Management?
Opensource tools for Configuration Management
Why Ansible and Ansible architecture
Ansible setup and configuration
Add-hoc commands
Understanding hosts and ansible.cfg files
YAML Fundamentals
Variables and Facts
Groups_vars and host_vars etc.,
Modules
Roles
Playbooks
Tasks
Ansible Galaxy
Manage AWS using Ansible Boto3 module

Docker and Kubernetes

What is Container and Images?

Applications on Virtual Machines
Applications on Containers
What are container images?

Why must we run application on Containers?
Docker Fundamentals
Docker public images from Docker Hub
Docker private images
Docker Containers
Docker Networking

Host
Bridge
None
Overlay

Docker Storage

Volume mount
Bind mount
Tempfs mount

Docker Backup and Restore

Data backup
Images
Containers

Docker Registry

Local Registry

Custom Images build using Dockerfile
Scan tools like Trivy, Clair etc., to identify Vulnerabilities in Images
Docker Compose
Kubernetes Architecture
Kubernetes control plane and compute plane components
Kubernetes setup on local system using kubeadm
How to connect/reach k8s cluster using KUBECONFIG file
Kubernetes authentication and authorization
Kubernetes workloads
- Pods
- Replication Controller
- ReplicaSet
- Deployment
- Daemonset
- Statefulset
- Jobs and Cronjobs
Kubernetes Storage

Volumes
PV, PVC and StorageClass
CSI

Kubernetes ConfigMap and Secrets
Services
ClusterIP
NodePort
LoadBalancer
ExternalIP and ExternalName
Ingress Controller
Network Policy
CIS benchmarking tools like kube-bench etc.,
Rest of the topics will be part of EKS Cluster on AWS

Jenkins CICD

What is CICD?
Jenkins components
Installing and Configuring Jenkins on AWS EC2 or VirtualBox
Jenkins authentication and authorization
Plugins
Global system settings
Jenkins Jobs

Free style Project
Multi-branch project
Folder
Pipeline Project
How to write a DSL (Domain Specific Language) pipeline for CICD automation?

AWS Administrative Services

What is Cloud Computing?
What is IaaS, PaaS, and SaaS?
Why AWS Cloud?
AWS account creation and access
Understanding Compute, Monitoring, Authentication & Authorization services, and their dashboards
IAM (Identity and Access Management)

What is Authentication and Authorization?
MFA and IAM administrative access
Users
Groups
Policies (Inline and JSON)
Roles
Account settings
STS (Security Token Service)

EC2 Dashboard

Differences between Bare-metal and Virtual Machines (Cloud and On-Premises)
Amazon Machine Image
Instance types (Flavors)
Security Group
Disk
Key pairs
How to connect to EC2 Instances
Instance types like On-Demand, Reserved, Spot, Dedicated Instance and Dedicated host
Launch Template
Image creation from EC2 Instance

AWS VPC

What is VPC?
Network, Subnet, Route Table, Subnet Association
Internet gateway and NAT gateway
Elastic IP
VPC Peering
Transit Gateway
VPN
ACL
Egress Only Internet gateway
Endpoints and Carrier gateway

Storage

What is Object, Block and Filesystem Storage?
S3 buckets
EBS (Elastic Block Storage)
EFS (Elastic Filesystem)
FSx
AWS Storage Gateway
AWS Transfer Family
Understanding basics of DRS (Disaster Recovery Service) and Backup service

Databases

Understanding Relational and Non-Relational Databases
Databases provided by AWS RDS
What is Database Engine?
Different database engines

AWS LoadBalancer

What is LoadBalancer?
Difference between Layer 7 and Layer 4 load balancing?
Types of LoadBalancer support in AWS
Different database engines

ELB (Elastic Load Balancer)
ALB (Application Load Balancer)
NLB (Network Load Balancer)
GLB (Gateway Load Balancer)
Target Groups
What is autoscaling?
How it helps to spin multiple EC2 instances horizontally?
Creating Launch Configuration
How to create and manage Auto Scaling groups?
Notifications

AWS Monitoring

What is CloudWatch?
Alarms
Logs
Events
Metrics
X-Ray traces
Insights
Application Monitoring
AWS Lambda Functions
What is serverless platform?
Why AWS Lambda?
Application creation

AWS CloudFormation Templates

Container and Orchestration services

ECS (Elastic Container Service) and Fargate
ECR (Elastic Container Registry)
EKS (Elastic Kubernetes Service) and Fargate
Accessing EKS Cluster
Private and Public EKS Cluster
VPC network
IAM roles and policies for EKS
Node Group
External DNS for AWS Route 53 for EKS Ingress hosts

AWS Beanstalk

AWS Route 53

What is DNS?
What are DNS domain zones?
DNS troubleshooting tools
Internal and External Domains in AWS Route 53

AWS Notification services

Simple Email Service
Simple Notification Services
Simple Queue Service

AWS Certificate Manager

Terraform (Infrastructure as Code)

What is Infrastructure as a Code?
Opensource tools for IaC
Why only Terraform?
Terraform Setup and Configuration to communicate AWS Cloud provider
Terraform workflow
Terraform configuration language
Terraform top-level blocks
Terraform resources
Terraform variables
Terraform functions
Terraform values
Terraform datasources
Hosting & Managing Images
Terraform backends
Terraform workspaces
Terraform modules public and custom
Terraform cloud
Terraform graph
Terraform expressions

AWS DevOps

Basic understanding on DevOps Culture and Opensource tools

Opensource tools for DevOps
AWS DevOps services

Amazon CodeCommit

What is Version Control System?
Difference between Centralized Version Control System (Subversion) Vs Distributed Version Control System (Git)
Fundamentals of Git
Git workflow
Git commands like add, push, remote, pull, clone, checkout, branch, tags, revert, reset, log etc.,
Branching strategies and Version code using Tags
What are AWS CodeCommit?
How to push or clone code from CodeCommit?
Notifications
Pull request
Approval rule templates

Amazon Code Build

What is Continues Integration?
CodeBuild advantages and use cases
Benefits of CodeBuild
Fully manages
On-demand
Out of the box

How to create a Build Spec files? --> writing basic YAML files for CodeBuild to automate using events
How to run CodeBuild?
Sample projects for Custom Dockerfile build, Source code development etc.,
VPC Endpoints
Monitoring CodeBuild API using AWS CloudTrail
Security using IAM users and Policy

Amazon Code Deploy

What is Continues Deployment/Delivery?
What was the purpose of CodeDeploy and use cases?
How to deploy developed code to On-premises and Cloud Instances?
How to install git package on OS?
Application, Deployment groups and Deployments
Application revisions
Monitoring CodeDeploy using CloudWatch tools and CloudTrail

Amazon Code Pipeline

what is CICD?
Opensource tools for CICD operations
CodePipeline for CICD
Understanding DevOps Pipeline for application development and deployment
Monitoring Pipelines events and API logs using CloudTrail
Manual and scheduled triggers of CodePipeline

Amazon Code Artifacts

What was Artifacts and use cases?
Other tools for Artifacts
AWS Artifacts for package manager and Image storage etc.,
Integration with CodeBuild, CodeDeploy and CodePipeline

Amazon X-Ray

What X-Ray for Developers?
X-Ray for Debugging, Tracing and ServiceMaps

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