Introduction to DevOps

Topics

• What is DevOps?
• IT evolution and history of DevOps
• Different teams involved
• DevOps and the Software Development Life Cycle
• Waterfall and Agile models
• DevOps main objectives and prerequisites
• Continuous testing, integration, release, deployment, configuration management, and application monitoring
• DevOps toolsets

Linux Administration for DevOps

Topics

• Linux OS overview
• User management and passwordless login
• Cronjobs: editing, setting, deleting
• Software/package installation methods
• Logging in/out and the su command
• Configuring sudo accounts and permissions
• Transferring files and Linux directory structure
• Core commands: awk, sed, grep, piping, disk usage
• Network troubleshooting
• Shell scripting

Labs / Practice

• Setup CentOS/RHEL Linux in AWS
• Write a shell script in Git and run it on AWS Linux

Git & GitHub

Topics

• Centralized and distributed version control systems
• Anatomy and features of Git
• Git commands: clone, checkout, commit, push, merge, pull request, fork/pull
• 3-tree architecture
• Local and remote branches
• GitHub repositories and project management

Build Tools: Maven

Topics

• Java compiler
• Maven lifecycle and installation
• Maven build requirements
• Maven POM XML file

Jenkins Fundamentals

Topics

• Installing Java and Jenkins
• Jenkins architecture and terminology
• Jenkins UI, dashboard, and menus
• Creating and running Jenkins jobs
• Email configuration, global security, master-slave architecture
• Microservices, SonarQube, and OWASP overview
• Running a ZAP scan
• DevOps tool ecosystem: BitBucket, Bamboo, Jira, Confluence
• MS Build and Octopus Deploy

Continuous Integration & Delivery with Jenkins

Topics

• Configuring Jenkins with Java, Git, and Maven
• Building a Maven-based Jenkins project
• CI pipeline stages: compile, code review, unit test
• Archiving build artifacts
• Tomcat staging environment and deploy-to-container plugin
• Parallel and master/slave Jenkins pipelines

Labs / Practice

• Installation of SonarQube and Jenkins integration

Networking for DevOps

Topics

• TCP/IP concepts: bitmasks, subnetting, gateways, IP addressing
• VLANs, NAT, and private IP addressing
• CIDR and VPN
• Host-based, network-based, and virtual firewalls

Labs / Practice

• Setting firewall rules in Windows and Linux

Microsoft Azure for DevOps

Topics

• VM architecture and supported OS images
• Custom images
• Load balancing, availability sets, and auto-scaling
• DevOps in Azure and creating simple pipelines
• Migrating/integrating source control (GitHub, Azure Repos)
• Workflow hooks and repository permissions
• Organizing repositories with git-tags

Labs / Practice

• Creating VMs for different OS
• Setting up a pipeline to deploy a website on a VM

Docker & Containerization

Topics

• Containers overview and Docker architecture
• Docker installation and container management commands
• Docker Hub, Trusted Registry, Engine, Image, Compose, and Swarm
• Docker networking and volumes
• Image scanning tools: Snyk, ECR scanning
• Image registries: ECR, JFrog, Nexus, Dockerhub
• AWS Elastic Container Service
• Building custom Dockerfiles
• Docker Swarm clustering and UCP

Labs / Practice

• Install Docker in a Linux environment and run containers
• Deploy a website with a database on Docker

Kubernetes

Topics

• Kubernetes architecture, masters, and nodes
• Declarative model and desired state
• Pods, services, and deployments
• The Kubernetes API and kubectl
• Deployment vs StatefulSet
• Self-healing, scaling, rolling updates, and rollbacks
• YAML manifest authoring

Labs / Practice

• Install and configure Minikube
• Setup Kubernetes with Kubeadm and create resources
• Creating Pods, Deployments, and StatefulSets
• Creating Deployments using YAML files

Terraform (Infrastructure as Code)

Topics

• IaC concepts and GUI/CLI/IaC comparison
• Terraform workflow, providers, and state
• Provisioners, variables, and output values
• Data sources, modules, and interpolation
• Conditionals and for/for-each loops
• Remote state management and the DRY principle
• CloudFormation vs Terraform

Labs / Practice

• Setting up Terraform
• Passing variables and using them in code
• Checking output attributes
• For-loops and conditionals in Terraform

Ansible

Topics

• Ansible architecture, inventory, and deployment
• Ad hoc commands and YAML playbooks
• Variables, facts, handlers, and flow control
• Roles and Ansible Galaxy
• Ansible Vault
• Ansible Tower and troubleshooting
• Advanced playbooks for Kubernetes and container orchestration

Site Reliability Engineering & Monitoring

Topics

• Monitoring types and observability
• Infrastructure, application, serverless, and synthetic monitoring
• Prometheus architecture, exporters, and PromQL
• Cloud-native monitoring with AWS CloudWatch
• Nagios setup, host configuration, and alerting
• Splunk architecture, forwarders, and search

Labs / Practice

• Install and configure Grafana and Prometheus
• Install and configure the ELK stack

Advanced CI/CD & Testing

Topics

• Build and release management tools
• Gitflow branching strategy
• Maven and Grunt build tools
• SonarQube and Checkmarx integration
• Unit, functional, performance, and accessibility testing automation
• Dynamic security testing

Labs / Practice

• Deployment of a website with GitHub
• Jenkins integration with SonarQube for a Java project
• Capstone: deploy a GitHub Java project to Kubernetes using Jenkins with JUnit and code-quality gates