Garz & Fricke GUF-Yocto-jethro-10.0-r7885-0 Manuals

Manuals and User Guides for Garz & Fricke GUF-Yocto-jethro-10.0-r7885-0. We have 1 Garz & Fricke GUF-Yocto-jethro-10.0-r7885-0 manual available for free PDF download: User Manual

Garz & Fricke GUF-Yocto-jethro-10.0-r7885-0 User Manual

Garz & Fricke GUF-Yocto-jethro-10.0-r7885-0 User Manual (87 pages)

Embedded Computer Systems

Brand: Garz & Fricke | Category: Desktop | Size: 4.77 MB

Table of Contents

Table of Contents
3
Important Hints

4
1 Introduction

6
2 Overview

7
- The Bootloader
  7
- The Linux Kernel
  7
- The Root File System
  7
- The Partition Layout
  8
- Further Information
  8
3 Accessing the Target System

10
- Serial Console
  10
- SSH Console
  11
- Telnet Console
  12
- Uploading Files with TFTP
  12
- Uploading Files with SFTP
  13
4 Services and Utilities

14
- Services
  14
- Udev
  15
- D-Bus
  16
- SSH Service
  16
- Telnet Service
  17
- Module Loading
  18
- Network Initialization
  18
- Watchdog
  18
- Garz & Fricke Shared Conﬁguration
  20
- Autocopy
  20
- Autostart
  22
- Cron
  23
- Utilities
  24
- Garz & Fricke System Conﬁguration
  24
- Power down Mode
  26
- Reboot, Halt and Poweroff
  27
- Kernel Command Line
  27
- Bootlogo
  28
- Web Browser
  29
- Boot Progress Animation
  30
- Sendmail
  31
5 Add-On Packages

32
- Using the 'Add-Ons' Script
  32
- Direct Installation
  32
- Manual Installation
  32
- Cups
  33
- Installation
  33
- Conﬁguration
  33
- Debug
  33
- Installation
  34
- User Applications
  34
- Kernel Tracing
  34
- Network Monitoring
  35
- System Tests
  35
6 Accessing the Hardware

36
- Digital I/O
  36
- Serial Interfaces (RS-232 / RS-485 / MDB)
  37
- Ethernet
  37
- Real Time Clock (RTC)
  37
- Keypad Connector
  38
- Spi
  39
- I2C
  39
- Can
  40
- Usb
  41
- USB Host
  41
- USB Device
  41
- USB OTG ID Pin Emulation
  42
- Display Power
  42
- Display Backlight
  42
- SD Cards and USB Mass Storage
  43
- Temperature Sensor
  43
- Touchscreen
  44
- Audio
  44
- Sram
  44
- Hdmi
  45
- HDMI as Primary Display
  45
- HDMI as Secondary Display
  45
- HDMI as Mirror of the Internal Display
  45
- HDMI XML Conﬁguration
  45
- Wlan
  47
7 Building and Running a User Application

48
8 Building a Garz & Fricke Yocto Linux System from Source

57
9 Deploying the Linux System to the Target

59
10 Securing the Device

62
- Services
  62
- User Permissions Concept
  62
- Root Password
  62
- Non Root User
  63
- Super User Privileges for Non Root User
  63
- Autostart
  64
- Flash-N-Go System
  64
- Networking
  64
- Firewall - Netﬁlter/Iptables
  64
- Using Secure Network Protocols
  65
- Restrict Physical Access
  65
- Application Security
  65
11 Debugging

66
12 Related Documents and Online Support

80
AGNU General Public License V2

81
B Standard Device Conﬁguration

86
- Operating System
  86
- Bootloader
  86
- Boot Logo
  86
- Serial Diagnostic Port
  86
- Ipv4 Settings
  86
- Services
  87
- Display
  87
- B.6 Services
  87

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