Domus Digitalis

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Domus Digitalis (Hub) Work Chronicles

Infrastructure Ops ISE Operations ISE Linux 802.1X ISE Windows 802.1X Identity & SSO

Linux Operations Windows Operations Python Operations netapi CLI Automation Ops

Secrets Infrastructure SIEM Operations Observability

Runbooks

PKI & Certificates PKI Strategy DOMUS PKI Ceremony Vault PKI Cert Issuance Vault PKI Quick Reference Vault PKI Verification Vault Cert Deployment ISE Certificate Troubleshooting BYOD Certificate Management

Infrastructure VyOS HA Deployment k3s Kubernetes Windows Server 2025 Core DC ISE 3.4 Deployment 802.1X Troubleshooting

Backup & Recovery Backup Strategy (3-2-1) Backup All Infrastructure Disaster Recovery

Documentation Antora UI Architecture Cloudflare Access + Antora

Tools

Core Tools dsec - Domain Secrets netapi - Network Automation

netapi Commands ISE Commands WLC Commands Cloudflare Commands Vault Commands Keycloak Commands KVM Commands Synology Commands IOS Commands Wazuh Commands

Data Tools DataConnect Queries

Linux

Arch Linux RHEL/Rocky/Alma Debian/Ubuntu

GitHub

Work Chronicles

- Competencies
  - Overview
  - Core Engineering
    - Networking
    - Security
    - Infrastructure
  - Software & Development
    - Software Engineering
    - Programming Languages
      - Overview
      - Python
      - Go
      - Rust
      - Bash & Shell
      - JavaScript & TypeScript
      - Lua
      - SQL
      - Regex
      - Assembly
      - Markup & Config
    - Software Architecture
    - Databases
  - Operations
    - DevOps
    - DevSecOps
    - Automation
    - Observability
    - Cloud
  - Tools & Platforms
    - CLI & Terminal
    - Documentation
    - Platforms & Products
  - Data & Intelligence
    - Data Engineering
    - AI & Machine Learning
  - Foundational
    - Mathematics
    - Human Languages
    - Professional & Leadership
  - Analysis
    - Gaps Analysis
    - Acquisition History
- Strategic Objectives
  - Overview
  - Skills
    - Regex Mastery
    - Data & Analytics
  - Certifications
  - Career
    - Consulting Practice
    - Remote Work
  - Life
    - Housing
- Standards
- Training Sessions
  - Regex Training
  - jq Training
    - Sessions
    - Drills
    - Guides
      - Live Data
  - yq Training
    - Sessions
    - Drills
  - gron Training
    - Sessions
    - Drills
  - Python Training
    - Sessions
    - Drills
  - Lua Training
    - Sessions
    - Drills
  - Neovim Training
    - Sessions
    - Drills
    - Read the Manual
      - Part 1: Getting Started
        
        usr_01: About the manuals
        
        usr_02: First steps
        
        usr_03: Moving around
        
        usr_04: Small changes
        
        usr_05: Settings
        
        usr_06: Syntax highlighting
        
        usr_07: Multiple files
        
        usr_08: Splitting windows
        
        usr_09: Using the GUI
        
        usr_10: Big changes
        
        usr_11: Crash recovery
        
        usr_12: Clever tricks
      - Part 2: Editing Effectively
        
        usr_20: Command-line
        
        usr_21: Go away and come back
        
        usr_22: Finding files
        
        usr_23: Other files
        
        usr_24: Inserting quickly
        
        usr_25: Formatted text
        
        usr_26: Repeating
        
        usr_27: Search patterns
        
        usr_28: Folding
        
        usr_29: Moving through programs
        
        usr_30: Editing programs
        
        usr_31: Exploiting the GUI
        
        usr_32: Undo tree
      - Part 3: Tuning Vim
        
        usr_40: New commands
        
        usr_41: Vim script
        
        usr_42: Menus
        
        usr_43: Filetypes
        
        usr_44: Syntax highlighting
        
        usr_45: Language
    - Books
      - Practical Vim (Drew Neil)
        
        Part I: Modes
        
        Ch 1: The Vim Way
        
        Ch 2: Normal Mode
        
        Ch 3: Insert Mode
        
        Ch 4: Visual Mode
        
        Ch 5: Command-Line Mode
        
        Part II: Files
        
        Ch 6: Manage Multiple Files
        
        Ch 7: Open Files
        
        Part III: Getting Around Faster
        
        Ch 8: Motions
        
        Ch 9: Jumps
        
        Ch 10: Copy and Paste
        
        Ch 11: Macros
        
        Part IV: Patterns
        
        Ch 12: Patterns and Literals
        
        Ch 13: Search
        
        Ch 14: Substitution
        
        Ch 15: Global Commands
        
        Part V: Tools
        
        Ch 16: ctags
        
        Ch 17: Quickfix
        
        Ch 18: grep
        
        Ch 19: Autocompletion
        
        Ch 20: Spell
        
        Ch 21: Now What?
      - Modern Vim (Drew Neil)
        
        Part I: Getting Modern Vim
        
        Ch 1: Get Modern Vim
        
        Ch 2: Install Plugins
        
        Part II: Terminal Emulator
        
        Ch 3: Terminal Emulator
        
        Part III: Asynchronous Tasks
        
        Ch 4: Jobs
        
        Ch 5: Linting
        
        Ch 6: Async grep
        
        Part IV: IDE Features
        
        Ch 7: Completion Menu
        
        Ch 8: Completion Sources
        
        Part V: Tmux Integration
        
        Ch 9: tmux
        
        Part VI: Language Server Protocol
        
        Ch 10: LSP Intro
        
        Ch 11: LSP Setup
  - ETL Pipelines
    - Sessions
    - Drills
  - Monad Training
    - Reference
    - Pipelines
  - tmux Training
    - Chapters
    - Design
      - Quantum Config Design
- Pattern Journal
  - Organon
  - Techne — Technical Arts
    - Core Tools
    - Engineering Domains
    - Software & Automation
  - Episteme — Theoretical Knowledge
    - Mathematics
  - Phronesis — Practical Wisdom
    - Professional Judgment
    - Operational Discipline
  - Poiesis — Creative Production
- Case Studies
  - Overview
  - TAC Cases
    - TAC: GCC ISE Cert Import
    - TAC: CHLA 802.1X Auth Failures
  - Incidents
    - INC: KVM Dual Hypervisor Outage (P1)
    - INC: Razer Hyprland Super Key Failure
    - INC: Razer SSH Access — VLAN Restriction
    - INC: Domus-IoT VPN Connectivity
    - INC: P16g No MAC
    - INC: Razer High Fan/Temp
    - INC: Razer Battery Drain
    - PREP: ISE Incident Defense
    - INC: Strongline Gateway VLAN
    - INC: Z Fold 7 Termux gopass SSH
    - INC: Vault Backup SELinux
    - INC: ISE SAML Restoration
    - INC: ISE Cert Binding
    - INC: P16g Power Button Shutdown
    - INC: P16g DPMS Wake Failure
    - INC: Hyprland v0.55.2 Config Breakage
    - INC: P16g WiFi Data VLAN 10 Auth
    - INC: Runbook Data Loss — Destructive Redirect
      - Full Report
  - Changes
    - CR: Quijote Public Repo (2026-05-19)
      - Overview
    - CR: Rack Relocation (2026-04-18)
    - CR: SRT Research VLAN (2026-04-15)
    - CR: Codex Granular Page Architecture (2026-04-11)
    - CR: Codex Formatting Refactor (2026-04-10)
    - CR: Standards Scope Segmentation (2026-04-10)
    - CR: Case Studies Modularization (2026-04-10)
    - CR: IOT_WAN VPN Passthrough (2026-04-07)
    - CR: Kernel IPC Curriculum (2026-04-05)
    - CR: tmux-quantum OSS Refinement (2026-04-05)
    - CR: OpenCode Config Hardening (2026-04-05)
    - CR: P16g AppArmor Deployment (2026-04-04)
    - CR: Waybar CSS Performance (2026-04-04)
    - CR: tmux-quantum Creation (2026-04-03)
    - CR: Tmux Config Evolution (2026-04-03)
    - CR: VyOS Docs Modularization (2026-04-03)
    - CR: WLC Accounting Interim (2026-04-02)
    - CR: Tmuxinator Nvim Migration (2026-04-01)
    - CR: Aurora + Ocean Themes (2026-03-26)
    - CR: netapi Commercialization (2026-03-25)
    - CR: netapi Security Hardening (2026-03-25)
    - CR: CLAUDE.md Modernization (2026-03-25)
    - CR: Antora Ecosystem Audit (2026-03-25)
    - CR: SSH Agent Timeout (2026-03-25)
    - CR: /worklog Skill (2026-03-25)
    - CR: /deploy Skill (2026-03-25)
    - CR: Dotfiles & Claude Config (2026-03-25)
    - CR: Claude Code Hooks Enhancement (2026-03-25)
    - CR: Domus Digitalis AsciiDoc + Seed (2026-03-25)
    - CR: dots-quantum tmux Package (2026-03-25)
    - CR: Tmux Config Remediation (2026-03-25)
    - CR: /drill Skill (2026-03-25)
    - CR: adoc UI Parity (2026-03-24)
    - CR: Antora.yml Enhancements (2026-03-23)
    - CR: College Algebra Curriculum (2026-03-23)
    - CR: reMarkable Domus Structure (2026-03-23)
    - CR: nvim-domus Public (2026-03-16)
    - CR: Hyprland Rice DJ Mode (2026-03-14)
    - CR: Arch System Upgrade (2026-03-12)
    - CR: P50 Arch to Ubuntu (2026-03-12)
    - CR: Vault Backup SELinux (2026-03-10)
    - CR: C9130AX WiFi 6 AP (2026-03-10)
    - CR: VyOS BIND DNS (2026-03-04)
    - CR: Credential Exposure (2026-02-26)
    - CR: Wazuh SIEM Integration (2026-02-26)
    - CR: Wazuh Credential Rotation (2026-02-25)
    - CR: AsciiDoc Attribute Refactor (2026-02-25)
    - CR: TEAP Implementation (2026-02-24)
  - Deployments
    - DEPLOY: C9130AX WiFi 6 AP
    - DEPLOY: Linux AD Auth — Xianming Ding
    - DEPLOY: BIND DNS HA Cluster
    - DEPLOY: FreeIPA Identity Management
    - DEPLOY: Vault PKI Platform
    - DEPLOY: k3s Single-Node Cluster
    - DEPLOY: VyOS HA Migration
  - Root Cause Analysis
    - RCA: Neovim Auto-Session Oil Restore
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: bluetoothctl PATH Resolution
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: Antora Dark Theme CSS
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: Claude Credential Vault
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: Bluetooth CLI Mastery
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: domus-captures Build Failure
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: adoc UI Mismatch
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: Kroki Orphan Containers
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: 802.1X EAP-TLS CA Chain (MODEL)
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: SSH Config Order (MODEL)
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: WiFi DHCP Failure
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: NM EAP-TLS Static IP
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: Bridge VLAN Persistence
      - Overview
      - Analysis
      - Fix
      - Prevention
    - RCA: Missing Antora Attributes
      - Overview
      - Analysis
      - Fix
      - Prevention
  - Templates
- Sessions
- 2026
  - Year Overview
  - June
    - Month Overview
    - Documents
    - Worklogs
      - Jun 4
      - Jun 3
      - Jun 2
      - Jun 1
  - July
    - Month Overview
    - Documents
    - Worklogs
  - May
    - Month Overview
    - Documents
    - Worklogs
      - May 26
      - May 23
      - May 22
      - May 21
      - May 20
      - May 19
      - May 18
      - May 17
      - May 15
      - May 14
      - May 13
      - May 12
      - May 11
      - May 9
      - May 8
      - May 7
      - May 6
      - May 5
      - May 4
      - May 3
      - May 2
      - May 1
  - April
    - Month Overview
    - Documents
      - MTG: Security Team Onsite
    - Worklogs
      - Apr 30
      - Apr 29
      - Apr 28
      - Apr 27
      - Apr 26
      - Apr 25
      - Apr 24
      - Apr 23
      - Apr 22
      - Apr 21
      - Apr 20
      - Apr 19
      - Apr 18
      - Apr 17
      - Apr 16
      - Apr 15
      - Apr 14
      - Apr 13
      - Apr 12
      - Apr 11
      - Apr 10
      - Apr 9
      - Apr 6
      - Apr 5
      - Apr 2
      - Apr 1
  - March
    - Month Overview
    - Weekly Progress Report
    - Documents
      - Session Knowledge Capture
    - Worklogs
      - Mar 31
      - Mar 30
      - Mar 27
      - Mar 26
      - Mar 25
      - Mar 24
      - Mar 23
      - Mar 22
      - Mar 21
      - Mar 20
      - Mar 19
      - Mar 18
      - Mar 17
      - Mar 16
      - Mar 15
      - Mar 14
      - Mar 13
      - Mar 12
      - Mar 11
      - Mar 9
      - Mar 8
      - Mar 7
      - Mar 6
      - Mar 5
      - Mar 3
      - Mar 2
      - Mar 1
  - February
    - Month Overview
    - Monthly Summary
    - Worklogs
      - Feb 28
      - Feb 27
      - Feb 26
      - Feb 25
      - Feb 24
      - Feb 23
      - Feb 22
      - Feb 21
      - Feb 20
      - Feb 19
      - Feb 18
      - Feb 17
      - Feb 16
      - Feb 15
      - Feb 14
      - Feb 13
      - Feb 12
      - Feb 11
      - Feb 10
      - Feb 9
      - Feb 8
      - Feb 7
      - Feb 6
      - Feb 3
      - Feb 2
      - Feb 1
    - Documents
  - January
    - Month Overview
    - Monthly Summary
    - Worklogs
      - Jan 30
      - Jan 28
      - Jan 27
      - Jan 26
      - Jan 23
    - Documents
      - Shahab Workstation Deploy
      - January Complete Report
- 2025
  - Year Overview
  - December
    - Month Overview
  - November
    - Month Overview
  - October
    - Month Overview
  - September
    - Month Overview
  - August
    - Month Overview
  - July
    - Month Overview
  - June
    - Month Overview
  - May
    - Month Overview
  - April
    - Month Overview
  - March
    - Month Overview
  - February
    - Month Overview
  - January
    - Month Overview
- Knowledge Base
  - Discoveries
    - All Discoveries
    - Tools
    - System
    - Workflow
  - Codex
    - Overview
    - grep
    - rg
      - Overview
      - Basics
        
        Overview
        
        Searching
      - File Filtering
        
        Overview
        
        Filters
      - Output
        
        Overview
        
        Modes
      - Regex
        
        Overview
        
        Patterns
      - Infrastructure
        
        Overview
        
        Auditing
      - Gotchas
        
        Overview
        
        Traps
      - Replace
        
        Overview
        
        Search & Replace
      - JSON Processing
        
        Overview
        
        Structured Output
      - Multi-Repo
        
        Overview
        
        Cross-Repository
      - Log Analysis
        
        Overview
        
        Log Searching
      - Config Audit
        
        Overview
        
        Compliance
      - Performance
        
        Overview
        
        Optimization
    - sed
      - Overview
      - Basics
        
        Overview
        
        Substitution
      - Addressing
        
        Overview
        
        Line Addressing
      - Extraction
        
        Overview
        
        Capture Groups
      - In-Place
        
        Overview
        
        Editing
      - Transforms
        
        Overview
        
        Append & Insert
      - Infrastructure
        
        Overview
        
        Config Surgery
      - Gotchas
        
        Overview
        
        Traps
      - Hold Buffer
        
        Overview
        
        Commands
      - Multiline
        
        Overview
        
        Processing
      - Regex
        
        Overview
        
        Patterns
      - Branching
        
        Overview
        
        Flow Control
      - Config Files
        
        Overview
        
        Surgery
      - Pipelines
        
        Overview
        
        Chains
    - awk
      - Overview
      - Basics
        
        Overview
        
        Field Extraction
        
        Built-in Variables
        
        Line Selection
        
        Reading Files
      - Patterns
        
        Overview
        
        Pattern Matching
        
        Conditionals
        
        Range Patterns
      - Aggregation
        
        Overview
        
        Counting
        
        Summing
        
        Statistics
      - Formatting
        
        Overview
        
        printf
        
        BEGIN/END
        
        Output Separators
      - Strings
        
        Overview
        
        String Functions
        
        Substitution
        
        Regex Match
      - Arrays
        
        Overview
        
        Associative Arrays
        
        Multi-Dimensional
        
        Sorted Arrays
      - Multi-File
        
        Overview
        
        FNR vs NR
        
        Joins
        
        Diffs
      - Infrastructure
        
        Overview
        
        System Admin
        
        Certificates
        
        Users
        
        Processes
      - Network
        
        Overview
        
        ss Parsing
        
        IP Extraction
        
        IPv6
        
        ARP & VLAN
        
        tcpdump
      - Logs
        
        Overview
        
        Auth Logs
        
        Syslog
        
        Nginx & Apache
        
        Correlation
      - Gotchas
        
        Overview
        
        Quoting
        
        Numeric Comparison
        
        Regex Traps
      - Mathematics
        
        Overview
        
        Foundations
        
        Overview
        
        Arithmetic
        
        Number Theory
        
        Sequences
        
        Algebra & Geometry
        
        Overview
        
        Quadratics
        
        Linear Algebra
        
        Geometry
        
        Calculus & Probability
        
        Overview
        
        Numerical Calculus
        
        Probability
        
        Applied Math
        
        Overview
        
        Subnetting
        
        Conversions
        
        Scripting Patterns
    - xargs
      - Overview
      - Basics
        
        Overview
        
        Fundamentals
      - Parallel
        
        Overview
        
        Execution
      - Safety
        
        Overview
        
        Null-Delimited
      - Placeholder
        
        Overview
        
        Substitution
      - Pipelines
        
        Overview
        
        Orchestration
      - Gotchas
        
        Overview
        
        Traps
      - Infrastructure
        
        Overview
        
        Patterns
      - File Operations
        
        Overview
        
        Patterns
      - Build & Deploy
        
        Overview
        
        Patterns
      - Error Handling
        
        Overview
        
        Patterns
    - tee
      - Overview
    - sort
      - Overview
    - wc
      - Overview
    - cut
      - Overview
    - tr
      - Overview
    - diff
      - Overview
    - find
      - Overview
      - Basics
        
        Overview
        
        Name & Type
      - Time & Size
        
        Overview
        
        Predicates
      - Permissions
        
        Overview
        
        Ownership
      - Exec
        
        Overview
        
        Patterns
      - Logic
        
        Overview
        
        Predicates
      - Infrastructure
        
        Overview
        
        Auditing
      - Gotchas
        
        Overview
        
        Traps
      - Cleanup
        
        Overview
        
        Safe Deletion
      - Archiving
        
        Overview
        
        Backup Patterns
      - Monitoring
        
        Overview
        
        Change Detection
      - Pipelines
        
        Overview
        
        Multi-Tool Chains
      - Security
        
        Overview
        
        Audit Patterns
      - Antora Auditing
        
        Overview
        
        Content Quality
    - jq
      - Overview
      - Basics
      - Selection
      - Construction
      - Output
      - Aggregation
      - Infrastructure
      - API
      - Transforms
      - Gotchas
    - yq
      - Overview
      - Basics
      - Selection
      - Transforms
      - Editing
      - Output
      - Antora
      - Infrastructure
      - Gotchas
      - Multi-Document
    - Data Formats
    - APIs
      - Overview
      - REST
      - Authentication
      - curl Patterns
      - httpx Patterns
      - Error Handling
      - Pagination
      - Rate Limiting
      - GraphQL
      - OpenAPI
      - Webhooks
      - gRPC
      - API Testing
      - Cisco Firewall
      - Cloudflare
    - FastAPI
    - Claude Code & AI Config
    - KQL (Sentinel)
    - Text Processing
      - Overview
      - AWK
      - AWK Network
      - AWK Logs
      - AWK Advanced
      - sed
      - grep
      - jq
      - xargs
      - regex
      - Escaping
      - cut
      - paste
      - column
      - tr
      - sort
      - uniq
      - comm
      - wc
      - diff
      - find
    - Bash
      - Overview
      - Streams
      - Pipes
      - Variables
      - Tests
      - Loops
      - Arrays
      - Functions
      - ANSI
      - Glob
      - Brace Expansion
      - Process Substitution
      - jq Sysadmin
      - Heredocs
      - Exit Codes
      - Traps
      - Parameter Expansion
      - Refactoring
      - Idempotency
      - Safe Workflows
      - Script Lifecycle
      - Text Transforms
    - Shell Mastery
    - Vim
      - Overview
      - Motions
      - Registers
      - Macros
      - Substitution
      - Text Objects
      - Buffers & Windows
      - Search
      - Completion
      - CLI Integration
      - Folds
      - Marks
      - Quickfix
      - LSP Config
      - Neovim Lua
    - Git
      - Overview
      - Basics
      - Branches
      - History
      - Bisect
      - Cherry-Pick
      - Rewriting
      - Stash
      - Reflog
      - Remotes
      - Tags
      - Worktrees
      - Submodules
      - Filter-Repo
      - Config
      - Hooks
      - gh CLI
      - glab CLI
      - Gitea
      - Merge Conflicts
      - GitHub Releases
      - Security
    - Linux
      - Overview
      - Files
      - Permissions
      - Processes
      - Users
      - Shell Advanced
      - Package Managers
      - systemd
      - journalctl
      - Cron
      - Boot
      - GRUB
      - Kernel
      - Modules
      - Disk
      - LVM
      - RAID
      - Btrfs
      - fstab
      - NFS
      - SELinux
      - AppArmor
      - cgroups
      - Namespaces
      - nmcli
      - Bridge VLAN
      - Networking
      - Stow
      - wpctl
      - Hyprland
      - Locale & Keyboard
      - virsh
      - qemu-img
      - ipmitool
      - UUID
      - PATH Resolution
      - Doc Discovery
    - Scripture
    - Networking
      - Overview
      - 802.1X
      - ACLs
      - Linux Bridge
      - Bluetooth
      - curl
      - DHCP
      - Diagnostics
      - dig
      - DNS Client
      - DNS Server
      - Firewall
      - ip
      - iptables
      - mtr
      - NAT
      - netapi
      - netcat
      - nftables
      - nmap
      - Routing
      - ss
      - SSH
      - Subnetting
      - Tailscale
      - tcpdump
      - traceroute
      - VLANs
      - VPN
      - Wireless
      - Wireshark
    - DNS
      - Overview
      - Query Tools
        
        dig
        
        nslookup
      - BIND9
        
        BIND
        
        named
      - Fundamentals
        
        Records
        
        Zones
        
        Server Types
      - Architecture
        
        Authoritative
        
        Recursive
        
        Caching
        
        Forwarders
        
        Split-Horizon
      - Security & Debug
        
        DNSSEC
        
        Troubleshooting
    - Cisco
      - Overview
      - Switching
        
        VLAN
        
        STP
        
        ACL
      - Routing
        
        OSPF
        
        EIGRP
        
        BGP
        
        HSRP
      - Security & NAC
        
        AAA
        
        RADIUS
        
        TACACS+
        
        802.1X
        
        ISE
        
        ISE ERS Endpoints
        
        ISE ERS Bulk Onboard
        
        ASA
      - Wireless
        
        WLC
      - Data Center
        
        NX-OS
      - Management & APIs
        
        IOS-XE
        
        SNMP
        
        NETCONF
        
        RESTCONF
        
        YANG
        
        Meraki
        
        Catalyst Center
        
        DNA Center
        
        FMC
    - PowerShell
      - Overview
      - Basics
      - Network
      - WiFi
      - Bluetooth
      - Active Directory
      - Remoting
      - Certificates
      - System
      - Error Handling
      - Here-Strings
      - Jobs
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      - Pipelines
      - PSObjects
      - Regex
      - Select-String
      - WMI/CIM
      - Platform Guide
    - Python
      - Overview
      - Fundamentals
        
        Basics
        
        Lists
        
        Dicts
        
        Functions
        
        Classes
        
        Typing
        
        Decorators
      - Files & I/O
        
        Files
        
        pathlib
        
        CLI
      - Web & API
        
        FastAPI
        
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    - Python
      - Python Crash Course (Matthes)
        
        Course Overview
        
        Infrastructure Notes
        
        Part I: Fundamentals
        
        01 Getting Started
        
        02 Variables & Types
        
        03 Lists
        
        04 Working with Lists
        
        05 Conditionals
        
        06 Dictionaries
        
        07 Input & Loops
        
        08 Functions
        
        09 Classes
        
        10 Files & Exceptions
        
        11 Testing
        
        Part II: Projects
        
        12 Alien Invasion
        
        13 Aliens
        
        14 Scoring
        
        15 Data Visualization
        
        16 Downloading Data
        
        17 APIs
        
        18 Django Basics
        
        19 User Accounts
        
        20 Deployment
        
        Book Text
        
        Part I: Fundamentals
        
        Ch 1 - Getting Started
        
        Ch 2 - Variables & Data Types
        
        Ch 3 - Introducing Lists
        
        Ch 4 - Working with Lists
        
        Ch 5 - if Statements
        
        Ch 6 - Dictionaries
        
        Ch 7 - User Input & while Loops
        
        Ch 8 - Functions
        
        Ch 9 - Classes
        
        Ch 10 - Files & Exceptions
        
        Ch 11 - Testing Your Code
        
        Part II: Projects
        
        Ch 12 - A Ship that Fires Bullets
        
        Ch 13 - Aliens!
        
        Ch 14 - Scoring
        
        Ch 15 - Generating Data
        
        Ch 16 - Downloading Data
        
        Ch 17 - Working with APIs
        
        Ch 18 - Getting Started with Django
        
        Ch 19 - User Accounts
        
        Ch 20 - Styling & Deploying
    - Linux
      - Linux Bible 11e (Negus)
        
        Course Overview
        
        Part I: Getting Started
        
        Ch 1 - Starting with Linux
        
        Ch 2 - Linux Desktop
        
        Ch 3 - Using the Shell
        
        Ch 4 - Filesystem
        
        Ch 5 - Text Files
        
        Ch 6 - Processes
        
        Ch 7 - Shell Scripts
        
        Part III: System Admin
        
        Ch 8 - System Administration
        
        Ch 9 - Installing Linux
        
        Ch 10 - Software Management
        
        Ch 11 - User Accounts
        
        Ch 12 - Disks & Filesystems
        
        Part IV: Server Admin
        
        Ch 13 - Server Administration
        
        Ch 14 - Networking
        
        Ch 15 - Services (systemd)
        
        Ch 16 - Print Server
        
        Ch 17 - Web Server
        
        Ch 18 - FTP Server
        
        Ch 19 - Samba
        
        Ch 20 - NFS
        
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        Ch 22 - AI Chatbot
        
        Part V: Security
        
        Ch 23 - Basic Security
        
        Ch 24 - Advanced Security
        
        Ch 25 - SELinux
        
        Ch 26 - Network Security
        
        Part VI: Cloud
        
        Ch 27 - Clouds & Containers
        
        Ch 28 - Cloud Computing
        
        Ch 29 - Cloud Deployment
        
        Ch 30 - Ansible
        
        Ch 31 - Kubernetes
      - RHCSA 9 (Exam RH124/RH134)
        
        Study Guide
        
        Lab Setup
        
        For Network Engineers
        
        Ch1 - Installation
        
        Ch2 - Essential Tools
    - Shell
      - Shell Scripting Guide (Parker)
        
        Course Overview
        
        Part I: Fundamentals
        
        Ch 1 - Getting Started
        
        Ch 2 - Interpreting Commands
        
        Ch 3 - Variables & Pipelines
        
        Ch 4 - I/O Redirection
        
        Ch 5 - Environment
        
        Part II: Text Processing
        
        Ch 6 - Text Filters I
        
        Ch 7 - Text Filters II (awk)
        
        Ch 8 - Script Construction
        
        Ch 9 - grep, sed, Regex
        
        Part III: Programming
        
        Ch 10 - Functions
        
        Ch 11 - Math Operations
        
        Ch 12 - Heredocs & expect
        
        Ch 13 - ImageMagick
        
        Ch 14 - Control Structures
        
        Ch 15 - Arrays
        
        Ch 16 - Debugging
        
        Part IV: Advanced
        
        Ch 17 - Process Management
        
        Ch 18 - GUI Scripting
        
        Ch 19 - Network Scripting
        
        Ch 20 - Security
        
        Ch 21 - Advanced Bash
        
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        Ch 23 - PowerShell
    - Combined Study Plan
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  - Literature
    - Overview
    - Don Quijote
    - Don Quijote de la Mancha
      - Primera Parte (1605)
        
        Capítulos (Notas)
        
        Cap. I
        
        Cap. II
        
        Cap. III
        
        Cap. IV
        
        Cap. V
        
        Cap. VI
        
        Cap. VII
        
        Cap. VIII
        
        Cap. IX
        
        Cap. X
        
        Cap. XI
        
        Cap. XII
        
        Cap. XIII
        
        Cap. XIV
        
        Cap. XV
        
        Cap. XVI
        
        Cap. XVII
        
        Cap. XVIII
        
        Cap. XIX
        
        Cap. XX
        
        Cap. XXI
        
        Cap. XXII
        
        Cap. XXIII
        
        Cap. XXIV
        
        Cap. XXV
        
        Cap. XXVI
        
        Cap. XXVII
        
        Cap. XXVIII
        
        Cap. XXIX
        
        Cap. XXX
        
        Cap. XXXI
        
        Cap. XXXII
        
        Cap. XXXIII
        
        Cap. XXXIV
        
        Cap. XXXV
        
        Cap. XXXVI
        
        Cap. XXXVII
        
        Cap. XXXVIII
        
        Cap. XXXIX
        
        Cap. XL
        
        Cap. XLI
        
        Cap. XLII
        
        Cap. XLIII
        
        Cap. XLIV
        
        Cap. XLV
        
        Cap. XLVI
        
        Cap. XLVII
        
        Cap. XLVIII
        
        Cap. XLIX
        
        Cap. L
        
        Cap. LI
        
        Cap. LII
        
        Texto Completo
        
        Cap. I
        
        Cap. II
        
        Cap. III
        
        Cap. IV
        
        Cap. V
        
        Cap. VI
        
        Cap. VII
        
        Cap. VIII
        
        Cap. IX
        
        Cap. X
        
        Cap. XI
        
        Cap. XII
        
        Cap. XIII
        
        Cap. XIV
        
        Cap. XV
        
        Cap. XVI
        
        Cap. XVII
        
        Cap. XVIII
        
        Cap. XIX
        
        Cap. XX
        
        Cap. XXI
        
        Cap. XXII
        
        Cap. XXIII
        
        Cap. XXIV
        
        Cap. XXV
        
        Cap. XXVI
        
        Cap. XXVII
        
        Cap. XXVIII
        
        Cap. XXIX
        
        Cap. XXX
        
        Cap. XXXI
        
        Cap. XXXII
        
        Cap. XXXIII
        
        Cap. XXXIV
        
        Cap. XXXV
        
        Cap. XXXVI
        
        Cap. XXXVII
        
        Cap. XXXVIII
        
        Cap. XXXIX
        
        Cap. XL
        
        Cap. XLI
        
        Cap. XLII
        
        Cap. XLIII
        
        Cap. XLIV
        
        Cap. XLV
        
        Cap. XLVI
        
        Cap. XLVII
        
        Cap. XLVIII
        
        Cap. XLIX
        
        Cap. L
        
        Cap. LI
        
        Cap. LII
      - Segunda Parte (1615)
        
        Capítulos (Notas)
        
        Cap. I
        
        Cap. II
        
        Cap. III
        
        Cap. IV
        
        Cap. V
        
        Cap. VI
        
        Cap. VII
        
        Cap. VIII
        
        Cap. IX
        
        Cap. X
        
        Cap. XI
        
        Cap. XII
        
        Cap. XIII
        
        Cap. XIV
        
        Cap. XV
        
        Cap. XVI
        
        Cap. XVII
        
        Cap. XVIII
        
        Cap. XIX
        
        Cap. XX
        
        Cap. XXI
        
        Cap. XXII
        
        Cap. XXIII
        
        Cap. XXIV
        
        Cap. XXV
        
        Cap. XXVI
        
        Cap. XXVII
        
        Cap. XXVIII
        
        Cap. XXIX
        
        Cap. XXX
        
        Cap. XXXI
        
        Cap. XXXII
        
        Cap. XXXIII
        
        Cap. XXXIV
        
        Cap. XXXV
        
        Cap. XXXVI
        
        Cap. XXXVII
        
        Cap. XXXVIII
        
        Cap. XXXIX
        
        Cap. XL
        
        Cap. XLI
        
        Cap. XLII
        
        Cap. XLIII
        
        Cap. XLIV
        
        Cap. XLV
        
        Cap. XLVI
        
        Cap. XLVII
        
        Cap. XLVIII
        
        Cap. XLIX
        
        Cap. L
        
        Cap. LI
        
        Cap. LII
        
        Cap. LIII
        
        Cap. LIV
        
        Cap. LV
        
        Cap. LVI
        
        Cap. LVII
        
        Cap. LVIII
        
        Cap. LIX
        
        Cap. LX
        
        Cap. LXI
        
        Cap. LXII
        
        Cap. LXIII
        
        Cap. LXIV
        
        Cap. LXV
        
        Cap. LXVI
        
        Cap. LXVII
        
        Cap. LXVIII
        
        Cap. LXIX
        
        Cap. LXX
        
        Cap. LXXI
        
        Cap. LXXII
        
        Cap. LXXIII
        
        Cap. LXXIV
        
        Texto Completo
        
        Cap. I
        
        Cap. II
        
        Cap. III
        
        Cap. IV
        
        Cap. V
        
        Cap. VI
        
        Cap. VII
        
        Cap. VIII
        
        Cap. IX
        
        Cap. X
        
        Cap. XI
        
        Cap. XII
        
        Cap. XIII
        
        Cap. XIV
        
        Cap. XV
        
        Cap. XVI
        
        Cap. XVII
        
        Cap. XVIII
        
        Cap. XIX
        
        Cap. XX
        
        Cap. XXI
        
        Cap. XXII
        
        Cap. XXIII
        
        Cap. XXIV
        
        Cap. XXV
        
        Cap. XXVI
        
        Cap. XXVII
        
        Cap. XXVIII
        
        Cap. XXIX
        
        Cap. XXX
        
        Cap. XXXI
        
        Cap. XXXII
        
        Cap. XXXIII
        
        Cap. XXXIV
        
        Cap. XXXV
        
        Cap. XXXVI
        
        Cap. XXXVII
        
        Cap. XXXVIII
        
        Cap. XXXIX
        
        Cap. XL
        
        Cap. XLI
        
        Cap. XLII
        
        Cap. XLIII
        
        Cap. XLIV
        
        Cap. XLV
        
        Cap. XLVI
        
        Cap. XLVII
        
        Cap. XLVIII
        
        Cap. XLIX
        
        Cap. L
        
        Cap. LI
        
        Cap. LII
        
        Cap. LIII
        
        Cap. LIV
        
        Cap. LV
        
        Cap. LVI
        
        Cap. LVII
        
        Cap. LVIII
        
        Cap. LIX
        
        Cap. LX
        
        Cap. LXI
        
        Cap. LXII
        
        Cap. LXIII
        
        Cap. LXIV
        
        Cap. LXV
        
        Cap. LXVI
        
        Cap. LXVII
        
        Cap. LXVIII
        
        Cap. LXIX
        
        Cap. LXX
        
        Cap. LXXI
        
        Cap. LXXII
        
        Cap. LXXIII
        
        Cap. LXXIV
    - García Márquez
  - Spanish & Linguistics
    - Spanish Overview
    - DELE C1/C2
      - Inmersión C1
        
        Programa Completo
        
        Conectores Discursivos
        
        Subjuntivo Avanzado
        
        Expresión Escrita
        
        Locuciones y Modismos
        
        Análisis Literario
        
        Errores Frecuentes
        
        Registro Formal
      - DELE C1 (AVE Global)
        
        Programa Completo
        
        Estructura del Examen
        
        Temas
        
        1. Dime cómo hablas
        
        2. Eso no hay quien…
        
        3. Todo tiene explicación
        
        4. Borrón y cuenta nueva
        
        5. Aquí hay trabajo
        
        6. Cada maestrillo…
        
        7. Busque, compare…
        
        8. Viajar y viajar
        
        9. La historia me absolverá
        
        10. Un futuro verde
        
        11. El español y su literatura
        
        12. DELE que DELE
    - SIELE
    - Redacción Español
  - Mathematics
    - Overview
    - College Algebra (Subject)
    - College Algebra
      - Study Guide
      - Formula Reference
      - Textbook Mapping
      - Chapter R: Prerequisites
        
        Overview
        
        R.1 Sets & Real Numbers
        
        R.2 Exponents
        
        R.3 Radicals
        
        R.4 Polynomials
        
        R.5 Factoring
        
        R.6 Rational Expressions
      - Chapter 1: Equations
        
        Overview
        
        1.1 Linear Equations
        
        1.2 Applications
        
        1.3 Complex Numbers
        
        1.4 Quadratic Equations
        
        1.5 Quadratic Apps
        
        1.6 More Equations
        
        1.7 Inequalities
        
        1.8 Absolute Value
      - Chapter 2: Functions
        
        Overview
        
        2.1 Coordinates
        
        2.2 Circles
        
        2.3 Functions
        
        2.4 Linear Eqs
        
        2.5 Linear Apps
        
        2.6 Transformations
        
        2.7 Analyzing Graphs
        
        2.8 Algebra of Functions
      - Chapter 3: Polynomial
        
        Overview
        
        3.1 Quadratic Functions
        
        3.2 Polynomial Functions
        
        3.3 Division
        
        3.4 Zeros
        
        3.5 Rational Functions
        
        3.6 Inequalities
        
        3.7 Variation
      - Chapter 4: Exponential
        
        Overview
        
        4.1 Inverse Functions
        
        4.2 Exponential
        
        4.3 Logarithmic
        
        4.4 Log Properties
        
        4.5 Exp/Log Equations
        
        4.6 Modeling
      - Chapter 5: Systems
        
        Overview
        
        5.1 Linear (2 Var)
        
        5.2 Linear (3 Var)
        
        5.3 Partial Fractions
        
        5.4 Nonlinear
        
        5.5 Inequalities
        
        5.6 Linear Programming
      - Chapter 6: Matrices
        
        Overview
        
        6.1 Gaussian Elimination
        
        6.2 Dependent/Inconsistent
        
        6.3 Operations
        
        6.4 Inverse
        
        6.5 Determinants
      - Chapter 7: Analytic Geometry
        
        Overview
        
        7.1 Ellipse
        
        7.2 Hyperbola
        
        7.3 Parabola
      - Chapter 8: Sequences
        
        Overview
        
        8.1 Sequences & Series
        
        8.2 Arithmetic
        
        8.3 Geometric
        
        8.4 Induction
        
        8.5 Binomial
        
        8.6 Counting
        
        8.7 Probability
    - Trig & Pre-Calculus
      - Study Guide
      - Formula Reference
      - Textbook Mapping
      - Chapter 1: Trig Functions
        
        Overview
        
        1.1 Angles & Measurement
        
        1.2 Unit Circle
        
        1.3 Right Triangle Trig
        
        1.4 Any Angle
        
        1.5 Reference Angles
        
        1.6 Inverse Trig
      - Chapter 2: Trig Graphs
        
        Overview
        
        2.1 Sine & Cosine
        
        2.2 Other Trig Graphs
        
        2.3 Inverse Trig Graphs
        
        2.4 Transformations
        
        2.5 Sinusoidal Apps
      - Chapter 3: Identities
        
        Overview
        
        3.1 Fundamental
        
        3.2 Sum & Difference
        
        3.3 Double/Half Angle
        
        3.4 Product-to-Sum
        
        3.5 Verifying
      - Chapter 4: Trig Equations
        
        Overview
        
        4.1 Basic Equations
        
        4.2 Advanced Equations
        
        4.3 With Identities
        
        4.4 Applications
      - Chapter 5: Applications
        
        Overview
        
        5.1 Law of Sines
        
        5.2 Law of Cosines
        
        5.3 Area of Triangles
        
        5.4 Vectors Intro
        
        5.5 Dot Product
      - Chapter 6: Polar & Parametric
        
        Overview
        
        6.1 Polar Coordinates
        
        6.2 Polar Graphs
        
        6.3 Complex Numbers
        
        6.4 Parametric Equations
      - Chapter 7: Conics in Polar
        
        Overview
        
        7.1 Conics in Polar
        
        7.2 Rotation of Axes
        
        7.3 Review Conics
      - Chapter 8: Limits Preview
        
        Overview
        
        8.1 Concept of Limit
        
        8.2 Limit Computation
        
        8.3 Continuity Preview
    - Calculus I
      - Study Guide
      - Formula Reference
      - Textbook Mapping
      - Chapter 1: Functions & Graphs
        
        Overview
        
        1.1 Review Functions
        
        1.2 Basic Classes
        
        1.3 Trig Functions
        
        1.4 Inverse Functions
        
        1.5 Exp & Log
      - Chapter 2: Limits
        
        Overview
        
        2.1 Preview of Calculus
        
        2.2 Limit of a Function
        
        2.3 Limit Laws
        
        2.4 Continuity
        
        2.5 Epsilon-Delta
      - Chapter 3: Derivatives
        
        Overview
        
        3.1 Defining Derivative
        
        3.2 Differentiation Rules
        
        3.3 Product & Quotient
        
        3.4 Trig Derivatives
        
        3.5 Chain Rule
        
        3.6 Implicit
        
        3.7 Inverse Derivatives
        
        3.8 Related Rates
        
        3.9 Linear Approx
      - Chapter 4: Applications of Derivatives
        
        Overview
        
        4.1 Maxima & Minima
        
        4.2 Mean Value Theorem
        
        4.3 Shape of Graph
        
        4.4 Limits at Infinity
        
        4.5 Curve Sketching
        
        4.6 Optimization
        
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Work Chronicles

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netapi - Network Automation Library
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Work Chronicles

Work Chronicles
Knowledge Base
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grep

grep Pattern Matching

grep has been promoted to its own top-level category with per-concern pages: Basics, PCRE, Context & Recursive, Infrastructure, Pipelines, AsciiDoc, Gotchas.

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