Site map

ai

01-models-and-context

• Context Engineering
• Tokens and Sampling
• Model Architecture: Dense vs. MoE
• Reasoning and Thinking

02-Agent

• The Agent Loop and Tool Use
• MCP and Skills
• Memory and State
• Multi-Agent Orchestration
• Evaluation and Observability

03-applications-and-production

• RAG and Retrieval-Augmented Generation
• Prompt Engineering and Structured Output
• Cost, Performance, and Reliability
• Security and Protection
• Production Checklist

compilers

01-lexical-analysis

• Regular Expressions and Automata
• Lexer Design

02-syntax-analysis

• Recursive Descent and LL Analysis
• LR Parsing
• AST Design and Error Recovery

03-semantic-analysis

• Symbol Tables and Scopes
• Type Systems

04-intermediate-representation

• SSA Form
• LLVM IR in Practice

05-optimization

• Data Flow Analysis
• Classic Optimizations
• Register Allocation

06-code-generation

• Instruction Selection
• Target Code and ABI

07-runtime

• Garbage Collection
• Linking and Loading

08-compilation-technology-applications

• JIT Compilation
• DSL Design
• Compile-Time Metaprogramming
• LSP and Language Servers

devops

Bluetooth Operations Manual

Caddy Operations Manual

Certificate Operations Manual

Database Operations Manual

Disk Operations Manual

DNS Operations Manual

Docker Operations Manual

Git Operations Manual

Grafana Operations Manual

Helm Operations Manual

Kubernetes Operations Manual

Kernel Operations Manual

Media Operations Manual

mihomo Operations Manual

Network Interface Operations Manual

nftables Operations Manual

Perforce Operations Manual

Gentoo Package Management Handbook

Prometheus Operations Manual

SSH Operations Manual

Storage Operations Manual

systemd Operations Manual

Tailscale Operations Manual

runbooks

• wildwindstudio.com Certificate Auto-Renewal + Tencent Cloud CLB Rebinding
• wildwindstudio.com EdgeOne (EO) Operations Manual

distributed-systems

01-basic-theory

• CAP and Consistency Models
• Time and Clocks
• Fault Models

02-consensus-protocols

• Raft
• Paxos
• Consensus in Practice

03-replication-and-consistency

• Replication Strategies
• Conflict Resolution
• Distributed Transactions

04-partitioning-and-routing

• Consistent Hashing
• Sharding Strategies
• Dynamic Rebalancing

05-members-and-discovery

• Failure Detection
• Gossip Protocol
• Service Discovery

06-distributed-storage

• Distributed Read/Write Path
• Anti-Entropy and Data Repair
• Storage System Instances

07-messages-and-streams

• Message Semantics
• Kafka Architecture
• Consumer Groups and Collaboration

08-observability

• Distributed Tracing
• Metrics and Alerts

hardware

01-basic-electricity

• Basic Physical Quantities and Laws
• DC Circuit Analysis

02-passive-components

• Resistor
• Capacitor
• Inductors and Transformers

03-semiconductor

• Band Theory and Doping
• PN Junction
• Diode
• BJT Bipolar Junction Transistor
• MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
• Power Device Overview

04-analog-circuits

• Fundamentals of Amplifier Circuits
• Operational Amplifier (Op-Amp)
• Power Supply Circuits

05-digital-circuits

• Logic Gates and Boolean Algebra
• Combinational Logic Circuits
• Sequential Logic Circuits

06-interfaces-and-communication

• Logic Levels and Interface Physical Layers
• Serial Bus Protocols
• USB and Type-C
• PCIe and High-Speed Interconnects
• Display and Camera Interfaces

07-wireless-communications

• WiFi and Bluetooth
• IoT Wireless Protocols

08-power-and-protection

• Charging Protocols and Fast Charging
• Battery Technology
• Protection Circuits

09-embedded-systems

• MCU Selection and Development Ecosystem
• Common Peripheral Circuits
• Sensors
• Storage Technologies

10-practices-and-tools

• Measurement Instruments and Tools
• PCB Design Fundamentals
• Debug and Programming Interfaces

homelab

What Local Large Models Can Help With: Boundaries, Scenarios, and Automation

Local LLM Deployment Notes

Full-Stack Monitoring: Prometheus + Grafana + Loki + Tempo + Bark

Home Network Architecture Documentation

Network Failure Recovery Manual

rathole + Caddy Intranet Penetration: A Complete Solution from CGNAT to Public HTTPS

Server Lifecycle: Onboarding and Removal

Software Stack Inventory

System Drive Backup and Recovery

Scheduled Tasks and Automated Scheduling

linux-kernel

01-process-management

• task_struct and Process Lifecycle
• Scheduler
• Context Switch
• Signals and ptrace

02-memory-management

• Virtual Memory
• VMA and Maple Tree
• Physical Memory Management
• Slab and kmalloc
• Page Reclaim and Swap

03-file-system

• VFS — Virtual File System Layer
• Page Cache and I/O
• Filesystem Implementation
• VFS Advanced
• ZFS — Not Part of the Kernel, But Unavoidable
• NFS (Network File System)
• Temporary and Pseudo Filesystems

04-interrupts-and-clocks

• Interrupt Subsystem
• Clocks and Timers
• Time Management

05-synchronization-mechanisms

• Locking Mechanisms
• RCU (Read-Copy-Update)
• Synchronization Debugging

06-network-subsystem

• Network Protocol Stack Overview
• TCP/IP Protocol Stack
• Netfilter and BPF/XDP
• Other Network Topics
• RDMA (Remote Direct Memory Access)

07-block-device-layer

• Block Device Layer
• NVMe and Storage

08-ebpf-and-observability

• eBPF Basics
• eBPF Program Types
• Tracing and Debugging

09-security-mechanisms

• LSM and Access Control
• Kernel Hardening
• Crypto API and Storage Encryption

10-drivers-and-device-model

• Device Model
• PCIe and USB Driver Model
• DRM and Graphics
• IOMMU and DMA API

11-kernel-development-and-build

• Kbuild and Modules
• Debugging and Testing
• Live Patching

12-containers-and-primitives

• Namespaces
• cgroup

13-kvm-and-virtualization

• KVM Architecture
• KVM Memory and Device Virtualization
• QEMU and KVM Collaboration

14-power-management

• cpufreq and cpuidle
• Suspend and Resume

networking

01-l2-data-link

• Ethernet and MAC
• ARP and NDP
• Switching, Bridging, and VXLAN

02-l3-network-layer

• IPv4 Protocol
• IPv6 Protocol
• ICMP and PMTUD
• Routing and BGP

03-l4-transport-layer

• TCP
• UDP and QUIC Transport Layer
• Ports and NAT Traversal

04-DNS

• DNS Protocol and Resolution
• DNSSEC and DNS Security
• DNS Privacy: DoH, DoT, DoQ, ODoH
• DNS Infrastructure

05-tls-and-pki

• TLS 1.2 Handshake
• TLS 1.3 Handshake
• Certificates and PKI
• mTLS and Mutual Authentication

06-HTTP

• HTTP/1.1
• HTTP/2
• HTTP/3
• Reverse Proxy and Load Balancing
• REST and API Design
• WebSocket and SSE

07-proxy-protocol

• Forward Proxy
• Transparent Proxy and TUN
• Proxy Protocol Comparison

08-vpn-and-tunnels

• WireGuard Protocol
• Tailscale Architecture
• IPsec and IKEv2
• Tunnel Technology Comparison

09-email-protocols

• SMTP
• IMAP vs. POP3

10-real-time-communication

• WebRTC
• Streaming Protocols
• MQTT

11-messages-and-events

• Webhooks and Callbacks
• Message Queue Protocols

12-security-protocols

• SSH Protocol
• OAuth2 and OpenID Connect
• Authentication Frameworks

13-network-diagnostics

• tcpdump and Wireshark
• Network Troubleshooting Methodology
• Network Performance and Tuning

14-protocol-design-and-evolution

• Binary Protocol Design
• Protocol Evolution and Compatibility

rust

01-ownership-and-borrowing

• Ownership Model
• References and Borrowing
• Lifetime

02-type-system

• Primitive Types and Memory Layout
• Enums and Pattern Matching
• Structs and Traits

03-advanced-generics-and-traits

• Generics and Monomorphization
• Trait Objects and Dynamic Dispatch
• Associated Types and GATs

04-smart-pointers-and-memory

• Box, Rc, Arc
• Cell, RefCell, Mutex: Interior Mutability
• Allocator and Memory Layout

05-error-handling

• Result and Option
• Error Trait and Ecosystem

06-concurrency-and-asynchrony

• Send and Sync
• Internal Mechanisms of async/await
• tokio Runtime
• Threads and Synchronization Primitives

07-unsafe-rust

• Raw Pointers and FFI
• unsafe Blocks and the Soundness Contract
• Inline Assembly

08-macro-system

• Declarative Macros (macro_rules!)
• Procedural Macros

09-cargo-and-build

• Cargo.toml Deep Dive
• Conditional Compilation and cfg
• Workspace and Project Management

10-standard-library-depth

• Iterator and Closures
• Collection Types
• Strings and Path

11-ffi-and-system-interaction

• C ABI and bindgen
• Kernel Modules and no_std

12-async-ecosystem

• Tower and Middleware
• tonic (gRPC)

systems-programming

01-elf-and-binary-formats

• ELF File Format
• Dynamic Linking and ld.so
• Loading and Startup: _start → main

02-system-call-abi

• x86-64 System Call ABI
• ARM64 System Call ABI
• Anatomy of glibc Syscall Wrappers

03-processes-and-memory

• Process Memory Layout
• malloc Internals: ptmalloc2
• ASLR and Security Hardening

04-signals-and-exceptions

• User-Space Signal Handling
• ptrace and Debugging Interfaces

05-io-and-file-systems

• Buffered I/O (stdio)
• io_uring: Revolutionary Asynchronous IO
• epoll and Event-Driven Programming

06-ipc-and-synchronization

• futex: The Kernel Hop in Userspace Locks
• Pipes and socketpair
• Shared Memory and Semaphores

07-toolchain-and-compilation

• GCC and Clang Internals
• Linker Scripts and Relocations
• Make / CMake / Meson Build Systems

08-performance-and-debugging

• Deep Dive into perf
• Valgrind and Sanitizers in Practice
• ftrace and bpftrace User-Space Tracing

tools

chezmoi

CLI Toolbox

Ghostty

My Toolchain

Zsh Environment

WezTerm

Zellij

hyprland

• Hyprland Ecosystem Overview
• Hyprland Configuration (Lua)
• Quickshell Shell
• Theme: matugen (Material You)
• Hyprland Companion Tools

nvim

• Neovim Overview
• Neovim Plugins and Keybindings