CyberCode Academy
Welcome to CyberCode Academy — your audio classroom for Programming and Cybersecurity.🎧 Each course is divided into a series of short, focused episodes that take you from beginner to advanced level — one lesson at a time.From Python and web development to ethical hacking and digital defense, our content transforms complex concepts into simple, engaging audio learning.Study anywhere, anytime — and level up your skills with CyberCode Academy.🚀 Learn. Code. Secure.You can listen and download our episodes for free on more than 10 different platforms:https://linktr.ee/cybercode_academy
Course 36 - Windows Forensics and Tools | Episode 1: Debunking Myths and Mastering Methodology
In this lesson, you’ll learn about: digital forensics in Windows environments1. What is Digital Forensics?Also known as computer forensicsThe application of scientific methods to digital investigations🔹 Core ObjectivesIdentify digital evidencePreserve its integrityAnalyze findingsPresent results for legal use👉 Key Idea:Evidence must be accurate, repeatable, and legally admissible2. Why Focus on Windows?Majority of systems run WindowsWidely used in:Personal computingEnterprise environments🔹 Chal...
Course 35 - Footprinting and Reconnaissance | Episode 8: From Target Reconnaissance to Phishing Execution
In this lesson, you’ll learn about: social engineering attacks and spear-phishing execution1. What is Social Engineering?A psychological attack techniqueTargets human behavior instead of systemsExploits trust, urgency, and curiosity👉 Goal:Trick the victim into revealing information or executing malicious actions2. Phase 1: Reconnaissance (Information Gathering)🔹 Target ProfilingCollect Personally Identifiable Information (PII):Job roleRelationship statusDaily habitsInterests (e.g., pets, hobbies)🔹 Data SourcesSocial media platforms (e.g., mock “mybook”)<...
Course 35 - Footprinting and Reconnaissance | Episode 7: Information Gathering and Domain Reconnaissance Lab
In this lesson, you’ll learn about: reconnaissance using Recon-ng1. What is Recon-ng?A full-featured web reconnaissance frameworkPre-installed on Kali LinuxDesigned to automate OSINT and domain reconnaissance🔹 Core ConceptWorks like a framework (similar to Metasploit)Uses modules to perform different recon tasks👉 Purpose:Build a structured database of target intelligence2. Tool OverviewRecon-ng🔹 Key CapabilitiesDomain intelligence gatheringContact harvestingSubdomain discoveryFile and directory enumeration👉 Adva...
Course 35 - Footprinting and Reconnaissance | Episode 6: Information Gathering with theHarvester in Kali Linux
In this lesson, you’ll learn about: information gathering using theHarvester1. What is theHarvester?
A reconnaissance tool used for Open Source Intelligence (OSINT)Built into Kali LinuxDesigned to collect publicly available data about a target🔹 Core Function
Gathers:Email addressesSubdomainsIP addressesHostnames👉 Purpose:
Build a digital footprint of the target before active testing2. Tool Overview
theHarvester🔹 Data Sources
Search engines:Google
Course 35 - Footprinting and Reconnaissance | Episode 5: Website Mirroring and Footprinting with HTTrack
In this lesson, you’ll learn about: website mirroring using HTTrack for footprinting1. What is Website Mirroring?The process of creating a local copy of a websiteUsed for:FootprintingReconnaissanceOffline analysis👉 Goal:Analyze the target without interacting with the live system repeatedly2. Tool OverviewHTTrack🔹 What HTTrack DoesDownloads:HTML pagesImagesScripts (JavaScript, CSS)👉 Result:A fully browsable offline version of the website3. Lab En...
Course 35 - Footprinting and Reconnaissance | Episode 4: Email and Domain Information Mapping
In this lesson, you’ll learn about: Maltego for visual footprinting and OSINT analysis1. What is Maltego?MaltegoA tool used for:Information gathering (OSINT)FootprintingVisual link analysis👉 Key idea:Instead of raw data → Maltego gives you a visual map of relationships2. Lab Setup (Kali Linux Environment)🔹 PlatformKali Linux🔹 Setup StepsInstall Maltego Community EditionRegister an accountLaunch and create a new graph👉 The graph is your workspace where:Ent...
Course 35 - Footprinting and Reconnaissance | Episode 3: Exploring Shodan and the Google Hacking Database
In this lesson, you’ll learn about: Shodan and Google Dorking (GHDB) in footprinting1. Shodan (Internet-Wide Device Discovery)🔹 What is Shodan?ShodanA search engine designed to find:Internet-connected devicesExposed services🔹 What You Can DiscoverIP addressesOpen portsOperating systemsDevice types (e.g., routers, cameras, servers)🔹 Example Use CaseSearching for:Cisco routersFiltering by:Geographic location👉 Why it matters:Helps identify:Exposed infras...
Course 35 - Footprinting and Reconnaissance | Episode 2: Gathering Intelligence with NSlookup and WHOIS
In this lesson, you’ll learn about: network footprinting using NSlookup and WHOIS1. What is Network Footprinting?The process of gathering technical information about a target domainFocuses on:DNS dataIP addressesDomain ownership👉 Goal:Build a clear profile of the target’s infrastructure2. Using NSlookup (DNS Intelligence)🔹 Tool OverviewNSlookupA command-line tool used to query:DNS (Domain Name System) records🔹 What You Can DiscoverDomain → IP address mappingDNS servers...
Course 35 - Footprinting and Reconnaissance | Episode 1: Methodology, OSINT Tools, and Lab Setup
In this lesson, you’ll learn about: footprinting, OSINT, and setting up a penetration testing lab1. Penetration Testing Methodology🔹 The First Rule: Legal ScopeBefore any testing:Define scope clearlyGet explicit permission👉 Why it matters:Protects you legallyDefines what systems you can testPrevents unauthorized access issues2. Footprinting & Reconnaissance🔹 DefinitionThe process of gathering information about a target before attacking🔹 Types of Footprinting🟢 Passive FootprintingNo direct interaction with the targetUses publicly available data
Course 34 - Cybersecurity Kill Chain | Episode 4: Command, Objectives, and Defense in Depth
In this lesson, you’ll learn about: Command & Control (C2), Actions on Objectives, and Defense in Depth1. Command & Control (C2) Phase🔹 Definition
The stage where an attacker establishes a communication channel with a compromised system🔹 Purpose
Send commands to the infected machineReceive exfiltrated dataMaintain persistent remote access🔹 Evasion Techniques
Attackers disguise communication as normal traffic👉 Example:
Using platforms like:TwitterWhy this works:Traffic appears legitimateBlends into normal us...
Course 34 - Cybersecurity Kill Chain | Episode 3: Delivery, Exploitation, and Installation
In this lesson, you’ll learn about: Delivery, Exploitation, and Installation in the Cyber Kill Chain1. Delivery Phase (Getting the Payload to the Target)🔹 DefinitionThe process of transferring the malicious payload to the victim🔹 Common Delivery Methods📡 Technical MethodsUsing exposed services:FTP uploadsWeb downloads💾 Physical MethodsInfected USB drives left in:OfficesPublic places🎭 Social Engineering (Most Effective)Tool:Social Engineering Toolkit (SET)Used for:Spear-phishing campaignsMass phishing e...
Course 34 - Cybersecurity Kill Chain | Episode 2: Active Reconnaissance and Weaponization Strategies
In this lesson, you’ll learn about: Active Reconnaissance and Weaponization in the Cyber Kill Chain1. Transition: From Recon to ActionAfter passive recon, attackers move to:Active Reconnaissance → direct interactionThen → Weaponization → building attack tools👉 This is the shift from:Collecting information → Preparing the attack2. Active Reconnaissance (Deep Target Profiling)🔹 DefinitionDirectly interacting with the target system to gather:Technical detailsHuman-related intelligence🔹 Technical TechniquesPort Scanning & FingerprintingTools:NmapZenmapDiscov...
Course 34 - Cybersecurity Kill Chain | Episode 1: Reconnaissance and Footprinting Fundamentals
In this lesson, you’ll learn about: reconnaissance in the Cyber Kill Chain1. What is Reconnaissance?Reconnaissance is the first phase of the Cyber Kill ChainIt focuses on:Gathering information about a target👉 Why it matters:It forms the foundation of the entire attackPoor recon = weak attackStrong recon = precise targeting2. Passive Reconnaissance (Footprinting)🔹 DefinitionCollecting information without directly interacting with the target👉 Low risk of detection🔹 Common Techniques🌐 Network Information GatheringTools like:whois → domain...
Course 33 - Static Analysis for Reverse Engineering | Episode 5: Register Fundamentals, Graphical Analysis, and the Easy Peasy Solution
In this lesson, you’ll learn about: cracking 64-bit software and understanding architectural differences1. Transition from 32-bit to 64-bit🔹 Register Naming Changes32-bit:EAX, EBX, ECX64-bit:RAX, RBX, RCX🔹 New RegistersAdditional registers introduced:R8 → R15👉 These give you:More space for data handlingMore efficient execution2. Key Difference: Parameter Passing🔹 32-bit SystemsArguments passed via:Stack🔹 64-bit SystemsArguments passed via:Registers (faster & cleaner)🔹 Common Calling...
Course 33 - Static Analysis for Reverse Engineering | Episode 4: Static Analysis and Software Patching in x64dbg
In this lesson, you’ll learn about: applying static analysis and patching to modify software behavior1. Core ConceptThis episode demonstrates how to use x64dbg with the xAnalyzer plugin to:Analyze program logic without constant executionIdentify and modify key instructionsAlter how a program enforces trial limitations2. Locating Critical LogicSearch for meaningful strings like:"trial period remaining"This helps you:Jump directly to the function responsible for:License checksExpiration logic3. Visualizing Program Flow...
Course 33 - Static Analysis for Reverse Engineering | Episode 3: Graphical Reverse Engineering with x64dbg
In this lesson, you’ll learn about: graphical static analysis and Control Flow Graphs (CFGs)Review AnswerWhen analyzing a Control Flow Graph (CFG) in x64dbg with the xAnalyzer plugin:🔹 What Green and Red Arrows RepresentGreen arrowsRepresent the successful condition (TRUE branch)The path taken when a comparison or condition is metRed arrowsRepresent the failed condition (FALSE branch)The path taken when the condition is not met🔹 How They Help in Reverse EngineeringAfter a comparison instruction (like CMP):The program...
Course 33 - Static Analysis for Reverse Engineering | Episode 2: Tool Setup, xAnalyzer Integration, and Database Maintenance
In this lesson, you’ll learn about: setting up a reverse engineering lab and enhancing x64dbg with plugins1. Essential Tools for Your LabTo build a solid analysis environment, you need:🔹 Core Toolsx64dbgMain debugger for static & dynamic analysisDetect It Easy (DIE)Identifies:PackersCompilersFile signatures🔹 Best PracticeOrganize tools in:Dedicated folders (e.g., C:\RE_Lab\Tools)👉 Keeps workflow clean and efficient2. Enhancing x64dbg with xAnalyzer PluginPlugin:xAnaly...
Course 33 - Static Analysis for Reverse Engineering | Episode 1: Static Analysis and Graphical Visualization in x64dbg
In this lesson, you’ll learn about: static vs dynamic analysis and visual debugging with x64dbg1. Static vs Dynamic Analysis🔹 Static Analysis
Analyze program without executing itFocus on:Code structureAssembly instructionsLogic flow🔹 Dynamic Analysis
Execute the programObserve:Runtime behaviorMemory changesReal-time execution👉 Both are essential for reverse engineering2. Using x64dbg
A powerful debugger that supports:Static analysisDynamic analysis🔹 Key...
Course 32 - Checkpoint CCSA R80 | Episode 12: Managing Processes, Web Ports, and System Backups
In this lesson, you’ll learn about: Check Point R80 services, WebUI access control, and system backup management1. Core Check Point ProcessesIn Check Point R80, the management server depends on several critical background services.🔹 Key DaemonsCPMMain management serviceHandles SmartConsole operationsFWMManages communication with SmartConsoleDirectly affects administrator connectivityCPDGeneric system daemonSupports multiple internal services🔹 Process Monitoring Toolcpwd_admin list👉 Shows all running Check Point processes🔹 Critical InsightIf FWM stops...
Course 32 - Checkpoint CCSA R80 | Episode 11: Managing and Troubleshooting Check Point Gaia via the Command Line Interface
In this lesson, you’ll learn about: Gaia CLI administration, troubleshooting, and system recovery in Check Point R801. CLI Access and NavigationIn Check Point Gaia, administrators manage gateways via CLI🔹 Access MethodsConsole (physical access)SSH remote accessSmartConsole integration🔹 Productivity ShortcutsTab → auto-complete commandsEnter → executeSpace → paginate outputQ → quit long outputs🔹 Network ConfigurationView and modify:IP addressesMTU settings🔹 Critical Stepsave configEnsures c...
Course 32 - Checkpoint CCSA R80 | Episode 10: VPN Implementation, Tunnel Management, and Advanced Security Monitoring
In this lesson, you’ll learn about: VPN management, real-time monitoring, and event correlation in Check Point R801. IPsec Site-to-Site VPN (Full Implementation)In Check Point R80, VPNs secure communication between networks over the internet🔹 Core ComponentsEnable IPsec on gatewaysDefine:VPN Communities (Star / Mesh)VPN Domains (protected networks)🔹 Advanced ControlLink SelectionChoose which interface/IP is used for VPN peering👉 Useful for:Multi-ISP setupsRedundancy and routing control2. VPN Tunnel Management...
Course 32 - Checkpoint CCSA R80 | Episode 9: Advanced Threat Prevention and Secure Site-to-Site Connectivity
In this lesson, you’ll learn about: layered security, anti-spoofing, and VPNs in Check Point R801. Layered Security with Policy PackagesIn Check Point R80, security is built in layers, not just a single rulebase🔹 Two Main Layers✅ Access ControlControls:Who can access whatUses:URL FilteringApplication Control✅ Threat PreventionProtects against:MalwareExploitsZero-day attacks🔹 Key BladesIPS (Intrusion Prevention System)Anti-VirusThreat Emulation (sandboxing)<...
Course 32 - Checkpoint CCSA R80 | Episode 8: HTTPS Inspection, URL Filtering, and Identity Awareness
In this lesson, you’ll learn about: HTTPS inspection, advanced filtering, and identity-based security in Check Point R801. HTTPS Inspection (Deep Traffic Visibility)In Check Point R80, HTTPS traffic is encrypted → normally invisible to firewalls🔹 The ProblemMalware or attacks can hide inside:SSL/TLS encrypted traffic🔹 The Solution: HTTPS InspectionGateway acts as a proxy:Intercepts HTTPS trafficDecrypts it in memoryInspects contentRe-encrypts and forwards🔹 Key RequirementsEnable inspection policyInstall and t...
Course 32 - Checkpoint CCSA R80 | Episode 7: NAT, Gateway Redundancy, and Software Blades
In this lesson, you’ll learn about: advanced NAT, redundancy (ClusterXL), and Software Blades in Check Point R801. Advanced NAT ImplementationIn Check Point R80, you can combine manual + automatic NAT🔹 Real ScenarioManual Destination NATPublic IP → Internal web server (port 80)Automatic Hide NATInternal server → Internet (outbound traffic)🔹 Key InsightSame server can use:Static NAT (incoming)Hide NAT (outgoing)🔹 Troubleshooting TipEnsure NAT rules are applied to:Correct policy targets (gateways)
Course 32 - Checkpoint CCSA R80 | Episode 6: Mastering NAT Types, Priority Hierarchies, and Manual Rules
In this lesson, you’ll learn about: advanced NAT design, rule priority, and manual translation in Check Point R801. NAT Fundamentals in Check Point R80In Check Point R80, NAT controls how private and public networks communicate🔹 Hide NAT (Source NAT)Many internal devices → one public IPTypically uses:Gateway’s external IP🔹 Use CasesInternet browsingOutbound traffic🔹 Static NAT (Destination NAT)One public IP ↔ one internal server🔹 Use CasesHosting:Web serversMail s...
Course 32 - Checkpoint CCSA R80 | Episode 5: Policy Management, Troubleshooting, and NAT Foundations
In this lesson, you’ll learn about: policy packages, troubleshooting, implied rules, and NAT in Check Point R801. Policy Packages for Scalable Management
In Check Point R80, policy packages allow you to organize rules per gateway🔹 Why Use Policy Packages
Avoid one large, complex policyAssign specific rule sets to each firewall🔹 Example
Firewall 1 → Internal traffic rulesFirewall 2 → DMZ or external access rules🔹 Key Action
Clone an existing policyAssign it to a specific gateway👉 Improves...
Course 32 - Checkpoint CCSA R80 | Episode 4: Layers, Timing, and Collaborative Firewall Management
In this lesson, you’ll learn about: advanced policy optimization, rule structuring, and collaborative management in Check Point R801. Time-Based Security PoliciesIn Check Point R80, rules can depend on time conditions🔹 How It WorksCreate time objects (e.g., 12 PM → 12 AM)Attach them to firewall rules🔹 Example Use CasesAllow admin access only during work hoursBlock risky services at night👉 Adds an extra layer of contextual security2. Organizing Policies with Section Titles🔹 PurposeImprove readability and structure🔹 Example Sections
Course 32 - Checkpoint CCSA R80 | Episode 3: From System Safeguards to Advanced Security Orchestration
In this lesson, you’ll learn about: policy management, licensing, snapshots, and advanced security design in Check Point R801. System Safety with SnapshotsIn Check Point R80, snapshots act as a full system backup🔹 What Snapshots DoCapture:File systemConfigurationManagement database🔹 Why Use ThemBefore:UpgradesMajor changes👉 Think of it as a “restore point” for the entire firewall system2. License Management with SmartUpdateManaged through:SmartUpdate🔹 Central Licensing (Recommended)
Course 32 - Checkpoint CCSA R80 | Episode 2: SmartConsole Deployment, Gateway Integration, and Connectivity Management
In this lesson, you’ll learn about: SmartConsole deployment, gateway integration, routing, and maintenance in Check Point R801. SmartConsole Deployment & AccessThe primary management tool in Check Point R80 is SmartConsole🔹 Installation WorkflowAccess Gaia OS WebUIDownload SmartConsole clientInstall on your local machine🔹 ConnectionConnect to:Security Management Server IPAuthenticate using admin credentials👉 This becomes your central control panel2. Gateway Integration & SIC (Secure Communication)🔹 Adding a GatewayUse Wizard Mode in SmartConsoleDefine:...
Course 32 - Checkpoint CCSA R80 | Episode 1: Initial Deployment of Security Managers and Gateways
In this lesson, you’ll learn about: Check Point R80 deployment, Gaia OS setup, and distributed security architecture1. Overview of Check Point R80 ArchitectureThis lesson introduces Check Point R80Focus: building a distributed deployment🔹 Two Main ComponentsSecurity Management ServerControls policiesCentralized managementSecurity Gateway (Firewall)Enforces security rulesHandles traffic filtering👉 Separation improves:ScalabilitySecurityPerformance2. Installing Gaia OSInstall Gaia OS on:Physical hardware...
Course 31 - Dive Into Docker | Episode 11: Framework Starters and Design Best Practices
In this lesson, you’ll learn about: applying Docker to real-world apps and scalable architecture principles1. Framework-Based Starter ProjectsThe episode provides 7 ready-to-use starter projects for popular frameworks:FlaskExpress (Node.js).NETDjangoRuby on RailsGolangLaravelEach project includes:Dockerfiledocker-compose.yml👉 Goal: get you running fast with real applications in Docker2. Logging to Standard Output (stdout)❌ Problem:Writing logs to files inside containersLogs are lost when the con...
Course 31 - Dive Into Docker | Episode 10: Management, Versions, and Complex Microservices
In this lesson, you’ll learn about: Docker Compose workflows, API versions, and real-world microservices orchestration1. Essential Docker Compose Commands & WorkflowUsing Docker Compose, you can manage your entire application lifecycle with a few commands:🔹 Core Commandsdocker-compose up → Start servicesdocker-compose build → Build imagesdocker-compose stop → Stop containersdocker-compose ps → List running containersdocker-compose logs → View logs⚡ Efficient Development Shortcutdocker-compose up --build -dBuilds imagesPulls dependenciesStarts everything in detached mode👉 This is the most commonly used real-world command🔹 Scaling Ser...
Course 31 - Dive Into Docker | Episode 9: Orchestrating Multi-Container Web Applications with Docker Compose
In this lesson, you’ll learn about: Docker Compose, multi-container apps, and service orchestration1. What is Docker Compose?Docker Compose is a tool used to:DefineRunManagemulti-container applications using a single command👉 Instead of long docker run commands, you describe everything in one file2. The docker-compose.yml FileCore configuration file written in YAMLUses version 3 syntaxExample structure:version: "3" services: web: build: . redis: image: redisDefines:Services (containers)NetworksVolumes...
Course 31 - Dive Into Docker | Episode 8: Networking, Persistence, and System Optimization
In this lesson, you’ll learn about: advanced Docker architecture, networking, persistence, and image optimization1. Container Networking & Service CommunicationYou move deeper into Docker networking by connecting multiple containers together.🔹 Default vs Custom NetworksDefault bridge network:Basic isolationRequires manual IP handlingCustom bridge network (recommended):Automatic DNS resolutionContainers communicate by name (e.g., redis, db)docker network create my-network 🔹 Why this mattersInstead of:http://172.18.0.3:6379 You can use:redis:6379 👉 Much more stable and production-ready2. Sharing Data Between Containers🔹 Volumes Between ContainersUse shared storage...
Course 31 - Dive Into Docker | Episode 7: Building, Running, and Syncing Flask Applications
In this lesson, you’ll learn about: Docker CLI workflows, container management, live development, and debugging techniques1. Image Management & Docker CLI WorkflowYou start by working with Docker image lifecycle operations:🔹 Build Imagesdocker build -t myapp:1.0 .Uses Dockerfile instructionsLeverages layer caching → faster rebuilds🔹 Tagging Imagesdocker tag myapp:1.0 username/myapp:1.0Used for version controlPrepares image for sharing🔹 DockerHub WorkflowLogin → docker loginPush → docker pushPull → docker pull👉 Enables sharing across machines and teams2. Running & Managing Containers🔹 Core Run Flagsdocker run -it -p 50...
Course 31 - Dive Into Docker | Episode 6: A Hands-On Guide to Dockerizing Web Applications
In this lesson, you’ll learn about: dockerizing a web app, writing Dockerfiles, and optimizing builds1. The Application Architecture (Real-World Example)This lab uses a simple microservices setup:Flask web application (frontend/API)Redis (backend datastore)Key idea:Each service runs in its own containerThey communicate over a Docker network👉 This mirrors real production systems (microservices architecture)2. Writing a Dockerfile from ScratchA Dockerfile is the blueprint for building an image in Docker.🧱 FROM — Base ImageFROM python:2.7-alpineUses an official imageAlpine...
Course 31 - Dive Into Docker | Episode 5: From First Run to Building Images
In this lesson, you’ll learn about: Docker basics, images vs containers, and how Docker builds applications1. Your First Docker Run (Hello World)You start by running a simple container using DockerBehind the scenes:Docker CLI sends a commandDocker Daemon processes itImage is pulled from Docker HubKey insight:Docker only downloads missing layers → future runs are much faster2. Docker Images vs Containers🧱 Docker Image (Blueprint)Immutable (cannot be changed)Contains:File systemDepen...
Course 31 - Dive Into Docker | Episode 4: Editions, Versioning, and Installation Guide
In this lesson, you’ll learn about: Docker editions, versioning, and installation strategies1. Docker Editions (CE vs EE)Docker is available in two main editions:🆓 Docker Community Edition (CE)Free and open-sourceSuitable for:Individual developersSmall teamsProduction workloads in many cases💼 Docker Enterprise Edition (EE)Paid versionIncludes:Official supportCertified imagesAdvanced security features (e.g., vulnerability scanning)2. Docker Versioning SchemeDocker uses date-based versioning:Exampl...
Course 31 - Dive Into Docker | Episode 3: From Virtual Machines to Core Architecture
In this lesson, you’ll learn about: Virtual Machines vs Docker containers and how Docker works internally1. Traditional Virtualization (How VMs Work)A Virtual Machine (VM) stack includes:Infrastructure (hardware)Host Operating SystemHypervisor (like VMware or Hyper-V)Guest Operating System (inside each VM)ApplicationsKey characteristics:Each VM runs a full OSStrong isolationHigher resource usage (CPU, RAM, disk)Slower startup times2. Docker Architecture (Modern Containerization)Docker simplifies this model:...
Course 31 - Dive Into Docker | Episode 2: Setup, Resources, and the Troubleshooting Mindset
In this lesson, you’ll learn about: How to approach the “Dive into Docker” course effectively and build real-world skills1. Course Structure and Learning StyleThis course is hands-on by designYou’re expected to:Run terminal commandsWrite your own DockerfilesFollow along step-by-stepThe goal:Move from theory → practical Docker usage with Docker2. Learning Resources ProvidedA downloadable package includes:Source code for exercisesSelf-contained HTML notesThese notes:Are not full trans...
