6. User Guide

Contents:

• 6.1. Concepts
  • 6.1.1. Topics and Services
  • 6.1.2. Message Definitions
  • 6.1.3. state objects and their management
  • 6.1.4. Overview on LN parameters
  • 6.1.5. Clients
• 6.2. Components and their Usage
  • 6.2.1. LN Manager
  • 6.2.2. The LN Daemon
• 6.3. X11 Connections and Authentication
  • 6.3.1. DISPLAY
  • 6.3.2. X Authentication and Cookies
  • 6.3.3. xauth and XAUTHORITY
  • 6.3.4. xhost and Disabling Access Checks
  • 6.3.5. Where Things Usually Go Wrong
  • 6.3.6. How ln_manager Helps
• 6.4. Introduction on using the Client APIs
  • 6.4.1. Thread Safety
  • 6.4.2. Python
  • 6.4.3. using the C/C++ binding
• 6.5. Logging Messages in Links and Nodes
  • 6.5.1. What this is about
  • 6.5.2. Two methods: LN recorder and Daemon Logger
  • 6.5.3. The LN Recorder
  • 6.5.4. The LN Daemon Logger
  • 6.5.5. LN Recorder and Daemon Logger: When to use Which One
• 6.6. Using the ln_scope Viewer
  • 6.6.1. What this is about
  • 6.6.2. Starting ln_scope
  • 6.6.3. Offline Replay from lnrdb
  • 6.6.4. Trace Displays
  • 6.6.5. Trace Layout and Drag/Drop
  • 6.6.6. Detached Trace Windows
  • 6.6.7. Signals and Settings
  • 6.6.8. Interaction
  • 6.6.9. Triggering and History
  • 6.6.10. Logger Control
  • 6.6.11. Saving and Loading Scope State
• 6.7. LN Manager Web UI
  • 6.7.1. Overview
  • 6.7.2. Authentication Setup
  • 6.7.3. Connecting From A Browser
  • 6.7.4. Headless Browser Operation With X Clients
  • 6.7.5. Useful browser URLs
  • 6.7.6. Process and Log Tabs
  • 6.7.7. LN Daemon Logger Tab
  • 6.7.8. Parameters Tab
  • 6.7.9. Network Tab
  • 6.7.10. Diagnostics Download
  • 6.7.11. Message Definition Browser
  • 6.7.12. Private X Display
  • 6.7.13. Current Capabilities
  • 6.7.14. Protocol Reference
• 6.8. Web UI HTTPS Certificates
  • 6.8.1. Local Lab Host Names
  • 6.8.2. Creating A Lab CA On Ubuntu 24.04
  • 6.8.3. Creating A Host Certificate
  • 6.8.4. Trusting A Lab CA In Firefox
  • 6.8.5. Self-Signed Certificates
  • 6.8.6. Renewal
  • 6.8.7. Common Problems
• 6.9. Using Service Wrappers from C++
  • 6.9.1. Implementing Service Calls using the wrapped API
  • 6.9.2. Wrapped API for using LN Services from C++
• 6.10. Debugging an LN Service Provider written in C++
  • 6.10.1. For whom this is written
  • 6.10.2. Overview
  • 6.10.3. Obtaining and Using Debug Information
  • 6.10.4. Debugging LN clients
  • 6.10.5. More powerful debugging techniques: The helpful Compiler
  • 6.10.6. Specify, and check: Unit Tests
  • 6.10.7. A List of all Errors and Corrections
• 6.11. Parameters
  • 6.11.1. C++ Parameter Providers
  • 6.11.2. C++ Parameter Clients
  • 6.11.3. Python Parameter Providers
  • 6.11.4. Debugging Parameters
  • 6.11.5. Manager and Web UI Usage
• 6.12. Common Tasks