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IT Fundamentals
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Operating Systems
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Introduction to System Administration
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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
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Command Line
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Process Management
Process Management
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Users & Security
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Linux Security Modules
Networking
IP Addressing & DNS
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System Rescue & Recovery
Software Development
Overview
SDLC & Methodologies
Introduction to SDLC
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Agile & CI/CD
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Build Tools
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Modern Architecture
The 12-Factor App
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Scalability & Load Balancing
Database Design & Replication
Caching Strategies
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Message Queues & Event-Driven Architecture
System Design Case Studies
DevOps
Overview
CI/CD
What is CICD?
Continuous Integration
Continuous Delivery vs Deployment
Deployment Strategies
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Pipeline as Code
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CI/CD with Cloud
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GitHub Actions
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Jenkins
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Infrastructure as Code
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Terraform
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Plan & Apply
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Advanced Terraform Topics
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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
kubectl Reference
Core Workloads
Pods
Object Organization
Deployments
Scaling & HPA
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
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Large Language Models
Tools & Orchestration
AI Agent Orchestration
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