Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [linux]

For questions relating the use of GNU/Linux based operating systems on IoT devices. If your question is about a general use or administration of Linux, consider whether it would be more appropriate at Unix & Linux Stack Exchange or Super User instead.

2
votes
1answer
36 views

Entropy depletion in /dev/random on Beaglebone

I have a Beagleblone Black with an ARMv7 SoC. /proc/cpuinfo says the hardware is Generic AM33XX. It is running Debian and the 4.1.15-ti-rt-r40 kernel. I run a lot of stress tests as part of my ...
4
votes
1answer
29 views

mosquitto_sub: command not found

I'm using a raspberry pi image that has the mosquitto broker installed. To troubleshoot, instruction was to run: pi@raspberrypi:/ $ mosquitto_sub -v -t "gateway/+/rx" However that resulted in: -...
4
votes
2answers
33 views

SBC similar to Banana/Raspberry Pi with USB comms

I’m looking forward to develop a handheld device that could communicate with PCs over WiFi network, Bluetooth and USB. I have looked at the forums about Rpi, and they say it does not support Usb ...
4
votes
1answer
41 views

Using Raspberry Pi as USB bridge

I wanted to use my Raspberry Pi as USB bridge between multiple devices. We can assume that I want to connect my iPad which has POS software on it to my thermal printer. Most of star or Epson thermal ...
4
votes
0answers
40 views

Is there a Linux distro (à la Open/DD WRT) for smart speakers?

Smart speakers like Amazon Echo or Google Home are starting to become common. Is there a community effort to create an open source Linux firmware that can be run on them? I am thinking to something ...
3
votes
1answer
61 views

Remote com (serial) connection through cellular IoT

We need to be able to make a com (serial) connection remotely off site from PLC type device. We have completed a POC for sending some signals to Azure IoT utilizing a Siemens IoT2020 running linux ...
2
votes
0answers
38 views

Stream video on display from server using NanoPi [closed]

I am working on a project where I am required to stream some videos hosted at the server onto a display connected to my NanoPi M1 plus via a HDMI cable. I have not a lot of knowledge about it. Which ...
1
vote
0answers
46 views

Which Fleet Management Software exists for IoT devices? [closed]

I would like to ask what kind of fleet management software exists for IoT devices. I know: resin.io mender.io Teamviewer IoT (RPI only) Are there more services like this? Thank you very much
2
votes
0answers
79 views

Using aircrack-ng within VoCore [closed]

I wonder if I can use VoCore to capture and create/inject custom made packages. I'm a big fan of IoT. But I don't do this for a living. I'm just learning stuff, on my own, in my spare time. My ...
1
vote
1answer
437 views

How to cross compile Paho-MQTT-C library for ARM? [closed]

How to for cross compiling Paho-MQTT C library for ARM platform. Here are the steps I followed. 1) Downloaded library from [https://github.com/eclipse/paho.mqtt.embedded-c][here] 2) after download, ...
4
votes
0answers
48 views

Job / Run Loop manager for embedded device?

I'm in process of creating an IoT Prototype which runs (currently) on ARM processor with Embedded Linux. I'm trying to use existing technologies as much as possible: for example MQTT for external ...
8
votes
1answer
122 views

Anyone know of a Wi-Fi light switch that works with Linux?

I'm looking for a single or dual Wi-Fi light switch that I can activate with Linux. It needs to fit a standard 2-gang switch box and/or include a trim plate that covers a 2-gang box. Anyone know of ...
6
votes
1answer
265 views

SSH into an Orange Pi connected to the internet via 2G GSM module

I wanted to SSH into my Orange Pi remotely. It will be connected to the Internet via a 2G GSM module. How should I go about it? Usually it's ssh username@ip address. The setup isn't implemented yet so ...
9
votes
2answers
450 views

802.11 action frames send and receive in software

Is it possible to gain access to 802.11 action frames TX/RX from software? There's a proprietary protocol based on vendor-specific action frames called ESP-NOW for ESP8266 and ESP32 chips, and I'd ...
4
votes
1answer
97 views

Is it okay to use the 4 pin USB TTL cable instead of the recommended 6 pin USB TTL cable for Intel Galileo?

I have only the 4 pin USB TTL cable which has the Rx, Tx, Vcc and GND pins. The 6 pin includes the CTS and RTS pins also, and is specified for use with Intel Galileo board. My question is if I can ...
3
votes
1answer
570 views

How to setup mosquitto public broker in linux server?

I have linux server running with public ip. I have set up mosquitto broker with the following commands. apt-get install mosquitto apt-get install libmosquitto-dev apt-get install mosquitto-clients ...
10
votes
3answers
836 views

Is there a way to control my lights from my Linux desktop?

I have just started investigating smart lights. I am interested in using some Wi-Fi sockets in some lamps in my office to automate the lights. I am curious if there is a way to turn my lights on ...
8
votes
2answers
466 views

What will happen if I use Class 4 SD card, instead of recommended Class 10 for Intel Galileo?

I could not find any relevant information on this, sites just recommended class 10. I want to know if it is okay to use Class 4, 8 GB SD card, for making a bootable Linux drive for Intel Galileo, or ...
5
votes
2answers
208 views

Which tools/frameworks do you use to configure an array of SBCs

Use case: I have a lot of Utilite2 single board computers to configure On each device I installed Linaro (Ubuntu-based), booted from MicroSD card. Linaro is recommended OS for Utilite2 On each device ...
3
votes
1answer
68 views

Edison Ubilinux Flash Error “Cannot allocate memory of size 1610612736” [closed]

When flashing command prompt states restarting Edison. Then when it restarts the command prompt disappears quickly and nothing new is flashed on Edison board and message stating to wait 5 mins does ...
6
votes
1answer
497 views

Controlling IoT device through a captive portal/web app over Wi-Fi & 4G/LTE simultaneously

Yeah - mostly some mad scientist stuff here. I have an IoT project I'm working on where each device must be independently connected to each users phone and not connected to any central WiFi network. ...
7
votes
2answers
150 views

How to secure root on IoT device while remaining open to tinkerers

I'm currently spitballing ideas for an Internet of Things device. It will be running Linux on a widely available development board, I'm not too concerned about physical security or the end user doing ...
7
votes
1answer
108 views

How can I review a smartphone sensors readings on a Dell gateway?

I have got a Dell edge gateway 5000 with Linux Snappy 15.04 as OS. I have installed the gateway access point and I can connect the gateway from my smartphone. Now, I need to read the smartphone ...
11
votes
1answer
6k views

mosquitto_sub “connection refused” on Arch Linux

So I installed mosquitto and mosquitto-client on a Raspberry Pi running Raspbian Jessie through apt-get as well as mosquitto on another Pi running Arch Linux through pacman. On Arch the client utils ...
10
votes
1answer
251 views

Why does Docker reduce power usage on an Internet of Things device in this benchmark?

I've been interested in the applications of Docker on IoT devices such as Raspberry Pis. After reading A Performance Evaluation of Container Technologies on Internet of Things Devices, I was slightly ...