Hardware Security Modules

Introduction   Hardware Security Module (HSM) is a physical crypto device that is designed to creates, manages and protects in a safe manner crypto keys against tampering. HSMs are used for different applications cases such as : secure cryptographic key generation secure key storage at least for master keys which other keys are derived key

Build a GPS live tracking system

Tags : Embedded LinuxGPSIoT

GPS tracking systems are widely utilized in a multitude of applications such as fleet management, security, personal or merchandise remote monitoring. In this tutorial we will show how to build and program a mobile GPS Tracking device that is capable of streaming location coordinates to an IoT cloud and enable a real-time map view from

Add mobile broadband connectivity to Embedded Linux

Tags : 3GconnmanEmbedded LinuxHuawei-E173IoToFonoRaspberrypi

In this article we will show how to extend an IoT Embedded Linux System with a broadband connection using 3G/4G networks. Poky/Yocto is used as Linux distribution in combination with the mobile telephony application oFono. As hardware example we have a raspberrypi, nevertheless the same setup was applied and verified on other standard development kits and custom

Setup a guest Wifi Hotspot using Yocto

Tags : connmanRaspberrypiTetheringWifi

In this tutorial we will show how to setup a guest Wifi hotspot and configure it to restrict the internet access to only web surfing. We will showcase this setup using Poky/Yocto as Linux distribution and connman as network manager. As hardware we will use: Raspberry-Pi Beaglebone-black For both boards we will use a Realtek RTL8192CU

Booting Embedded Linux in One Second !

Tags : AM335xEmbedded LinuxFast-BootQt5SPLYocto

Booting a device as fast as possible is not only a requirement for time critical applications but also an important facet for improving the usability and user experience. Most of the Embedded Linux distribution are designed to be generic and flexible to support variety of devices and use cases, therefore the boot-time aspect is not

Fast Boot Linux with u-Boot Falcon Mode

Tags : AM335xFalcon-ModeFast-BootSPLu-BootYocto

Falcon mode is a feature in u-Boot that enables fast booting by allowing SPL directly to start Linux kernel and skip completely u-boot loading and initialization. To understand how Falcon mode works let’s first have a quick look at a typical Linux boot-up sequence on an ARM processor: 1. First stage – Boot ROM This

Create a custom Linux Distribution using Yocto

Tags : Embedded LinuxYocto

The Yocto Project is an open source collaboration project that provides templates, tools and methods to help creating a custom Linux-based systems for embedded products regardless of the hardware architecture. Yocto Project uses Poky as a reference distribution but it can also creates a custom one. The purpose of this article is to show how to