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IT Fundamentals
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Getting Started
IT Fundamentals
Overview
Introduction to IT
Hardware
Hardware Basics
Software
Software Essentials
Operating Systems
Operating Systems
The Boot Process
Troubleshooting
Troubleshooting Methodology
Documentation & Ticketing
System Administration
Introduction to System Administration
Backups & Recovery
Backups & Recovery
Disaster Recovery
Networking
Introduction to Networking
The Network Layer
The Transport and Application Layers
Networking Services
Connecting to the Internet
Troubleshooting and the Future of Networking
tcpdump - Packet Capture
TLS/SSL and HTTPS
TCP Congestion Control
DNSSEC and Split-Horizon DNS
Spanning Tree Protocol (STP)
VLSM - Variable Length Subnet Masking
QoS and Traffic Shaping
Security
Threat Taxonomy & Malware
Social Engineering & Physical Security
Social Engineering Deep Dive
Cryptography Fundamentals
PKI, Certificates & Cryptography in Practice
OpenSSL Practical Reference
GPG and File Encryption
Network Hardening
Wireless Security
Firewall Rules and iptables
SSH Hardening
Defense in Depth
Zero Trust Architecture
AAA: Authentication, Authorization & Accounting
LDAP and Active Directory
PAM and Linux Authentication
Password Managers and Credential Hygiene
Secrets Management
Vulnerability Management Lifecycle
Malware Analysis Basics
Supply Chain Attacks
Building a Company Security Culture
Security Compliance Frameworks
Data Classification and DLP
Linux
Overview
Fundamentals
What is Linux?
Philosophy & Concepts
Linux Installation
System Basics
The Linux Boot Process
Graphical User Interface
System Configuration
Package Management
Kernel Services, Configuration & Modules
Command Line
CLI Basics
Files & Directories
Finding Documentation
Text Editors
File System
Storage
Filesystems & Mounting
Filesystem Hierarchy
Logical Volume Management (LVM)
Process Management
Process Management
Memory Management
Task Scheduling
I/O Monitoring
Users & Security
Users & Groups
File Permissions
Local Security
Linux Security Modules
Networking
IP Addressing & DNS
Network Tools & Services
Network Devices & Configuration
Firewalls
Scripting
Bash Scripting
Advanced Shell Scripting
Utilities
Text Manipulation
Backup & Compression
Printing
Diagnosing Linux Issues
System Rescue & Recovery
Software Development
Overview
SDLC & Methodologies
Introduction to SDLC
Requirements Engineering
Agile & CI/CD
Build Tools & Artifacts
Build Tools
Artifact Repositories
Modern Architecture
The 12-Factor App
Design Principles
System Design
Scalability & Load Balancing
Database Design & Replication
Caching Strategies
API Design
Message Queues & Event-Driven Architecture
System Design Case Studies
DevOps
Overview
CI/CD
What is CICD?
Continuous Integration
Continuous Delivery vs Deployment
Deployment Strategies
Repository Strategies
Pipeline Structures
Pipeline as Code
Test Automation
DORA Metrics
Pipeline Design Patterns
Security & Compliance
CI/CD with Cloud
Maturity & Auditing
Anti-Patterns
GitHub Actions
GitHub Actions
Core Workflows & Events
Runners
Jenkins
Jenkins
Jenkins Architecture
Pipelines
Infrastructure as Code
Overview
IaC Principles
Tools & Platforms
Design
Modules & Design
Stacks & Components
Stack Configuration
Stack Integration
Servers & Environments
Terraform
Terraform
Terraform HCL
Plan & Apply
State Management
Advanced Terraform Topics
Alternative Interfaces
Custom Providers
Delivery
Testing IaC
IaC & CI/CD
Deploying Infrastructure
Changing Infrastructure
Governance & Compliance
OpenTofu
Refactoring IaC
Azure DevOps
Azure DevOps - What is it?
Azure DevOps Boards
Virtualization
Evolution of Virtualization
Virtualization & Containerization
Hypervisor
Virtual Machine
Containers
Open Container Initiative (OCI)
The Mechanics of Containerization
Docker
What is Docker
Docker Architecture
Docker Engine
Docker Perspective
Dockerfile
Docker Image
Docker Image Optimization
Docker Registry
Docker Containers
Docker Compose
Docker Networking
Docker Storage
Docker Mounting
Docker Security
Docker Model Runner
Docker Cheatsheet
Kubernetes
Overview
Foundations
Container Orchestration
Kubernetes Architecture
Kubernetes API & Object Model
Core Workloads
Networking
Configuration & Storage
Security & Access Control
Cluster Operations
Extensibility & Ecosystem
Cloud
Overview
Fundamentals
What is Cloud Computing
Cloud Characteristics
Cloud Delivery Models
Cloud Deployment Models
Cloud Architecture Patterns
Cloud Cost Optimization
SLA & Quality Metrics
Cloud Security
Cloud Threat Taxonomy
Cloud Access Mechanisms
Cloud Data Security
Cloud Mechanisms
Cloud Infrastructure Mechanisms
Specialized & Management Mechanisms
Management Mechanisms
Azure
Azure Fundamentals
Azure Compute
Azure Networking
Azure Storage
Azure Identity
Azure Infrastructure as Code
Azure
GCP
GCP
AI
Overview
Machine Learning
Neural Networks
Large Language Models
Tools & Orchestration
AI Agent Orchestration
GitHub
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