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Questions tagged [raspbian]

Raspbian is a GNU/Linux operating system derived from Debian. Version numbering follows that of Debian and the current stable is 9 (Stretch). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own images of it.

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Rpi does not boot but the processor heats up very fast

A few secs ago my rpi workes fine and then, while i writing a file, it stopped working and after reconnect the power cable the green light stay dark and just the processor heats up. (raspberry pi zero ...
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36 views

I have been working with a pi 3 b+ and a PWR.A53.B power and driver board

I have been working with a pi 3 b+ and a PWR.A53.B power and driver board . Sadly the switch on the power board was damaged and fell of . I couldn’t put the switch together as I lost the small pieces ....
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116 views

Servo robot with keyboard control

I am currently creating a design project that involves controlling several servo motors for a raspberry pi 3. I want to use a keyboard to control the direction of the motors, and I am using curses to ...
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48 views

Building PyQt5 on one raspberry pi 2 succeeds, but fails on another

I am building a solution for which I need a reproducible process for installing everything necessary. When its time to build and install PyQt5 I am succeeding on one device, but failing on another. ...
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Raspberry Pi 3 B won't boot up again, even after (supposedly) clean shutdown

everyone. So I am very new to Raspberry pi. I just installed Raspbian yesterday sing NOOBS, and it was successfully installed. I played around with it after install and even rebooted it (using the ...
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74 views

fsck.mode=force is not fixing unable to mount root fs on unknown-block(179,2)

I have 2 SD cards with Raspbian Stretch that are throwing the following error on boot: Kernel panic-not syncing: VFS: unable to mount root fs on unknown-block(179,2) I fixed one card by running ...
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22 views

webserver to use if web app have both internet and non-internet dependent tasks

I was working on an application where i have two tasks and which are interdependent Fetch some data from external server. Even if the internet gets disconnected can the same webpage call my flask ...
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83 views

Wifi Repeater – Set Interface down by Default (dhcpcd)

I use a RPI 1 as wifi repeater with two wireless dongles. I configured it using hostapd and dnsmasq. I want the pi only to be connected to the internet if there is somebody connected to my access ...
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24 views

Mac shared web folder permission on RaspberryPi

I have my websites folder on Mac where I have created a file sharing with user pi. I have then created a mount to this folder on Raspberry Pi like this in fstab //my-mac.local/Projects /home/pi/...
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19 views

I lose Plex and minidlna about once a day

I have plex and minidlna installed in my raspberry pi, and I watch the content with my LG TV. I don't know why, but about once a day, I lose both systems on my TV. I tried to restart services, but ...
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277 views

Installing equivalent of unrar package (rar)

I wanted to install rar from packages ( https://packages.ubuntu.com/search?keywords=unrar ), unfortunately it seems that it is impossible on Raspbian: pi@raspberrypi:~ $ rar bash: rar: command not ...
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153 views

Why doesn't my autostart file run a simple shell script

I am trying to launch a simple script (let's say it is /home/pi/python/python_code/hello-world.sh) from the /home/pi/.config/lxsession/LXDE-pi/autostart file. I have added the following line to the ...
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21 views

Prepare SD card for auto-pairing with bluetooth keyboard

I already own a bluetooth keyboard, and want to use it with my newly ordered Pi Zero W. I don't want to buy a USB keyboard just for bootstrapping. Given the bluetooth MAC address of my keyboard, and ...
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177 views

Can't build DKMS kernel module

I'm on Raspian Stretch and an RPi2. I'm trying to install xtables-addons-dkms. This was the output of apt-get on my first attempt: Setting up xtables-addons-dkms (2.12-0.1) ... Loading new xtables-...
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102 views

Connect Raspberry Pi to Wifi using mobile app

I have programmed Raspberry pi to execute program which primarily works using Internet at the boot up. But it works as long as Pi is in my wifi range. Now suppose, my friend wants to use that pi in ...
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88 views

Raspberry pi 3 b+ google assistant Segmentation Fault

I can't get the google assistant library working on my pi. I tried everything on my pi 2 B+, but gave up and got a pi 3 B+, which has the same issue. Every time I run googlesamples-assistant-hotword -...
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39 views

Cross-compiling glibc on Ununtu 18.10 (or 18.04) for RaspberryPi 3 B+

I naively tried cross-compile glibc with gcc 4.7.3.0 on Ubuntu 18.04 using the following command line: ../glibc/configure --prefix=/usr --host=arm-linux-gnueabihf After fixing all compilation errors ...
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37 views

piscope SPI pin activity even though the SPI device is not connected

my final goal is to use python (spidev) to communicate with a BMS chip. Until now I was quite unsuccessful, thats why I wanted to use piscope to track the activity of the SPI pins. The device is not ...
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79 views

SPI DMA in Raspbian

Is it possible to access the SPI DMA on a Raspberry Pi running Raspbian without using custom drivers by directly reading and writing to the associated hardware registers? I assume the register ...
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27 views

DS18B20 & Pi 3+

I'm not getting a w1_slave, and all I'm getting is 00-xx0000 when the DS18B20 isn't burning my fingertip. I went for green for ground, which is on the top right plug from this perspective. I spliced ...
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2answers
38 views

Setting up new Pi, copy of existing

Scenario: I have a existing pi set up on my network. I regularly keep a spare cloned SD card ready - I have needed one before today! I am considering buying a second pi which I would like to be a copy ...
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136 views

WiFi won't start

I have a new Pi 3 B+ and am running openplotter version of NOOBS. When I boot, WiFi doesn't show on the top right of the home screen. When I run raspi-config for Network Options and WiFi, I get '...
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13 views

ReSpeaker 2Mic Expansion Board Not Showing Up Under “aplay -l”

I am very new to the raspberry pi. I am setting up the Respeaker 2Mic Expansion board on my Raspberry Pi 3 B+. I have downloaded the files from GitHub through the terminal, have physically connected ...
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1answer
362 views

Setting up Wifi direct (wifi p2p) and DHCP server

So I have a fresh pi zero w up and running raspbian stretch lite. How can I enable Wifi direct/p2p where the Pi is GO and where it has a static ip i can connect to, and install/configure a DHCP ...
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48 views

Raspberry Pi 3 B+ LED Light Blink not working

I am trying to get my LED to blink once, but it is not working. I connected the brown wire to pin 6 (Ground), and the red to pin 7 (GPIO 4). I watched a tutorial on connecting the circuit but it is ...
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1answer
77 views

Cant install php

I'm kind of new to the linux os and I'm having trouble installing php. i needed a few tools for jasper which alwys show up in the error message. sudo apt-get install php -y Reading package ...
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2answers
389 views

dhcpcd.conf setting static ip not working!

Ok, so i might have messed up a bit my system and now i am unable to set a static ip through /etc/dhcpcd.conf I'm running raspbian stretch on pi zero w here is what i have done: I followed this link ...
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82 views

Raspberrypi and OpenVPN as Gateway

I have 2 raspberry pi machines RP1 - connects to my home network using Softether (For remote access) RP2 - connects to an external VPN (ExpressVPN) If I use the IP address of RP2 (192.168.1.100) as ...
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1answer
203 views

No module named '_tkinter' on python3 in Raspbian

I have installed tkinter on my Raspberry Pi that is running Raspbian. It is installed for both python2 and python3. However while importing it in python3, it shows me an error: >>> import ...
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39 views

GPIO number vs Pin number. Which to use?

I am writing a code for an ultrasonic distance sensor. The code worked fine when i used the gpio numbering system for the wires connecting to the gpios and sensor. As soon as i connected the sensor to ...
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120 views

Tensorflow object detection script is being killed by system

I'm trying to run an object detection script using Tensorflow. After running the python script it's being killed or freezes. I can see camera's light is being turned on right before the script stops. ...
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63 views

Can't set PS3 Eye USB camera as default sound device in alsamixer

When I try to change default sound card in alsamixer to USB PS3 Eye camera (which is detected as USB Camera-B4.04.27.1), I'm getting following error: cannot load mixer controls: Invalid argument I ...
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40 views

Dovecot 2.3 deb package for Raspbian Stretch Lite

By default Raspbian Stretch Lite comes with Dovecot 2.2.27 which does not support BLF-CRYPT password scheme. Does anybody know if there is a repository with Dovecot 2.3 for Raspbian Stretch Lite? ...
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1answer
335 views

Installing XFCE4 on raspberry Pi

I want to try out XFCE4 on the raspberry pi. This is mainly because of two reasons: ► I just like XFCE ► I want a bit more flexibility when it comes to GUI scaling - I have a 240x320 LCD and need to ...
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1answer
38 views

Troubleshooting PiVPN connectivity outside of LAN

I've set up pihole w/ cloudflared + pivpn on a raspberry pi 2b+ Everything seems to be working properly when connected to my internal WIFI (cable modem / router combo) on an Android client using the ...
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10 views

Cant configure controller after selecting it

I’m trying to boot my retropie for the first time. It says “Hold a button on your device to configure it.” I hold a button on my keyboard and the bottom says keyboard but it never takes me to the ...
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1answer
213 views

SSH Error: Connection timed out : RPi

I am new Raspberry pi user, recently while exploring , I did a remote shutdown of my Rpi with sudo halt command, since then I am not able to connect the Rpi remotely from my windows machine using ...
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117 views

Updated apt-transport-https, now `sudo apt-get update` doesn't return any information

I attempted to run sudo apt-get update, but got the error E: The method driver /usr/lib/apt/methods/http could not be found. Following to this answer, I checked /etc/apt/sources.list.d/ and found no ...
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43 views

Resilio Sync vanishes without notice

I have a raspberry pi 3 here with the latest (for today ;-) raspbian on it. Also the latest version of resilio sync 2.6.3. I have installed it so that it will automatically start at boot etc. When ...
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1answer
153 views

Runtime Warning: This channel is already in use

I am writing a code for Ultrasonic distance sensor. I have wired all the things perfectly and written the code for it but somehow it gives a runtime error of the channel already being in use. Below is ...
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2answers
220 views

Is Raspbian stretch repository down?

I came to the office this morning only to be greeted by a whole bunch of puppet errors all over our device fleet. Upon investigating, it seems none of the devices are capable of locating the raspbian ...
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0answers
28 views

HDD goes down and I need to reboot the raspberry

I have a raspberry working with transmission + plex. The issue is that the HDD goes down randomly and those services stop to work. When that happens, the rasp is still alive and I can connect via ssh, ...
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0answers
21 views

how to establish a communication between obd2 wifi and the pi 3 (raspbian)

i want to recieve data from my obd2(ELM 327) wifi interface to my pi into the screen, i can connect my pi to the "WIFI_OBD" but i don't know how to send a command throw the screen and receiving data. ...
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46 views

GPIO Open drain and open source setting while using the pin as input

I found this document. It says: Open Drain and Open Source Sometimes shared signals need to use "open drain" (where only the low signal level is actually driven), or "open source" (where ...
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23 views

Raspbian - Require login occasionally after reboot

I have suffered this problem for several months, i have already config it to auto login via sudo raspi-config select Desktop auto-login for GUI But still prompt a login dialog after reboot ...
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45 views

How to play specific video files through python script based on passed integer

I have an oddly specific problem, though aren't they all? I have a RPi 3B+ on stretch that I'm trying to boot into a python script that I've written that receives an integer and passes it to two ...
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1answer
62 views

How to control Arduino Uno using Raspberry Pi after image processing is done?

I am working on a project which is basically a robot car to collect garbage after the image in front of it is determined as Garbage (image processing using Raspberry Pi). I want my car movements to be ...
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0answers
10 views

RPI access point and how to share the internet with connected devices

I want to share the Internet from my USB modem stick on my raspberry pi to other devices by turning my pi into a WiFi access point. I am using a pi 3 model B+ running raspbian stretch and I am able to ...
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1answer
35 views

FFMpeg doesn't have tools/zmqsend

We are trying to use zmqsend (it's part of the ffmpeg repository) to communicate with a ffmpeg instance. On Raspbian, ffmpeg is configured with --enable-libzmq, and libzmq-dev is installed, but ...
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24 views

Control WS2812 without arduino just raspberrypi

Is it possible to control a LED strip WS2812/b without needing an arduino in between and using the Glediator software? If so, how? All i managed so far is lighting up all LEDs by connecting 5V and ...