Welcome to NetModule OEM Linux Distribution’s documentation!

For more than 15 years NetModule has proven itself as a reliable OEM partner with thousands of installed devices for customers all over the world!

NetModule OEM platforms come with the feature-rich NetModule Router Software or a standard Yocto Linux for customer-specific applications.

Contents:

About

• Contributing
• Release Notes
  • OEM Linux 1.8.3 / 22-April-2026
  • OEM Linux 1.8.2 / 14-November-2025
  • OEM Linux 1.8.1 / 8-October-2025
  • OEM Linux 1.8.0 / 23-May-2025
  • OEM Linux 1.7.1 / 17-Sep-2024
  • OEM Linux 1.7.0 / 29-Dec-2023
  • OEM Linux 1.6.5 / 24-Mar-2023
  • OEM Linux 1.6.4 / 10-Mar-2023
  • OEM Linux 1.6.3 / 17-Feb-2023
  • OEM Linux 1.6.2 / 6-Feb-2023
  • OEM Linux 1.6.1 / 23-Jan-2023
  • OEM Linux 1.6.0 / 28-Nov-2022
  • OEM Linux 1.5.2 / 30-Jun-2022

Features

• Supported devices
  • NG800
  • NB800
  • NB1601
  • NB1800
• Key Features
  • Yocto Project Support
  • NetModule Hardware Support
  • Network Configuration
  • Automotive Grade Firmware Upgrade (OSTree)
  • Package Manager

Getting Started

• Getting Started: NetModule Linux
  • NetModule Addons
  • Image Types
• Build Your Image
  • Project Setup
• Setup your Board
  • Image Installation
• OSTree
  • Description

Binaries

• Artifacts for nmhw21
  • wic-file
• Artifacts overview
  • wic-file
  • Kickstart/wks-file

System Startup

• am335x Startup
• eMMC Contents
• Startup Sequence

How-To

• Automatic Partitioning
  • Recommended settings
  • Usage
    • Arguments
    • Options
  • Examples
  • How to undo the partitioning
    • Files in /etc
• Bluetooth
  • Commands
  • Start and Discover nearby devices
• CAN
  • CAN Interfaces
    • Physical CAN Interface
    • Virtual CAN Interface - vcan
  • SocketCAN
    • Cannelloni Example
    • External Physical CAN Interface
  • can-utils
    • Resources
• Chrony
  • Usage
    • Chrony Configuration File
    • NTP Servers
    • GNSS
    • RTC
  • More configuration option
• Package Management using DNF
  • Setup
  • Commands
  • OSTree compatibility
• Ethernet
  • Overview
  • Supported scenarios
    • Basic setup
    • Multiple isolated interfaces
  • Supported hardware
    • NMHW21
  • NXP SJA1105TEL switchdev driver
    • Hardware offloading
    • Bridging
  • SMSC LAN8710/LAN8720 PHY
  • NXP TJA110X PHY driver
  • User space tools and configuration
  • References
• Updating firmware
  • Firmware Location
  • Preparation
  • Usage
    • Local firmware
    • Remote firmware (HTTP)
  • Bootloaders
    • Supported systems
    • Example
  • WWAN
    • Supported modules
    • Example
  • GNSS
    • Supported modules
    • Example
• Creating Bootloader Update Package
  • Preparation
  • Create the Package
• GNSS
  • gpsd
  • Connecting ubxtool
  • NEO-M8L
  • NEO-M9V
  • gnss-mgr
    • Capabilities
  • Configuring the GNSS Receiver
    • Configuration files
    • Lever Arm Lengths
    • Timepulse configuration
    • Examples
    • Troubleshooting
  • Save on Shutdown
    • Examples
  • Firmware update (specific to u-blox NEO-M8L)
  • Testing
  • Access gps interface
• GSM
• IMU
  • Polling mode
    • Accelerometer
    • Gyro
  • Buffered mode
    • Configuration
      • Accelerometer
      • Gyro
    • Data
      • Accelerometer
      • Gyro
    • Reconfiguration
• LEDs
  • Standard LED behavior
    • Hard reset
  • Mainboard Indicator
  • Mainboard Status
  • User Interface Indicator
  • User Interface Status
• Linux System Logging
  • Accessing Log Files
  • Storage of the Logs
  • Configuration Parameters
    • How to change the settings
  • Maintaining the Logs
    • Disk Usage
    • Cleaning
• (e)MMC
  • Health Status
  • Write Reliability
    • Check Write Reliability Setup
    • Enable Write Reliability
  • Storage Information
• NetModule Linux Networking
  • NetworkManager
    • nmcli
• Power Management
  • Overview
    • Supported hardware
    • Supported sleep states
    • Supported wake-up scenarios
  • Smart Battery
    • User space tools and configuration
• Remote GPIO driver
  • Configuration
  • Protocol
  • Usage
• System State Framework (SSF)
  • Introduction
  • File System Entries
  • SSF Components
  • Device Tree Entries
  • Pending Shutdown
  • Extending a Shutdown
  • RTC wake-up
  • Device is Shutting down
  • Powering the Device Off
  • Ping Request/Response
  • Watchdog Feature
  • SSF Manager
    • Starting Options
      • Disable System State Marking and Watchdog Feature
      • Disable System State Marking
    • Timeout Settings
  • Source for the System State Marking
  • System Watchdog Usage
• System Clock / Date Time
  • Synchronization
  • HW Clock Synchronization/Update
    • timedatectl
• Data Volume Monitor
  • Introduction
  • Configuration
  • Persisting Data base
  • How To use
• Wi-Fi
  • Overview
    • 802-11 Standard
  • Client Mode
  • Access Point Mode
    • Create Access Point in 2.4 GHz Band
    • Create Access Point in 5 GHz Band
• WWAN
  • Overview
  • Preparation
  • Usage
    • Firmware update
    • Initial configuration
      • APN configuration
      • SIM card configuration
    • NetworkManager commands
    • ModemManager configuration
    • Low level configuration / modem debugging
    • ModemManager extensions
      • 1. Support configuration of default EPS bearer for u-blox toby-l2 modems
      • 2. Handling of reconnect requests
      • 3. Change AT commands timeout to 3 minutes
      • 4. Show more precise signal quality in output of mmcli -m
  • eUICC

Development

• Booting with custom Linux kernel or ramdisk
  • Provisioning over tftp
  • Provisioning over USB
• Create a fitImage
  • Steps (nmhw21)

Indices and tables

• Index

• Module Index

• Search Page