Questions tagged [raspbian-stretch]

Raspbian-Stretch is a GNU/Linux operating system derived from Debian 9, initially released in August 2017. Raspbian is the most widely used Pi based distribution and the one recommended by the Raspberry Pi Foundation, who distribute their own images of it in 3 flavours, a full version with Desktop GUI and recommended software, Desktop GUI, and a "lite" version without any GUI pre-installed.

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14 views

using passlib with argon2 gives MissingBackendError

Installed passlib on my Windows 10 pc to study how to store passwords To use passlib with argon2 I installed that argon2-cffi too just as it shows in the passlib documentation Runs fine on my laptop, ...
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31 views

How to install PHP 7.2?

The title says it all. I'm trying to install PHP7.2 on RPi 3 so I can install OwnCloud on it. When I run sudo apt-get install php7.2 -y I get Unable to locate package php7.2. Do I need to add a repo ...
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42 views

Can take ssh from windows machine but couldn't ping back from raspberry pi

I have created a network using a wifi router with 2 raspberry pi devices (stretch OS) and one windows 10 machine. Windows ipconfig: Wireless LAN adapter Wi-Fi: Connection-specific DNS Suffix . :...
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108 views

pyaudio - Alsa warnings on Raspberry pi

I am trying to send data through 3.5mm jack. In that process, Everytime i'm getting these warnings import pyaudio p = pyaudio.PyAudio() The following warnings are: Expression '...
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1answer
323 views

PiVPN (WireGuard) not working after updating to Buster

A few days ago, I have updated my Raspberry PI 3 model B device from Stretch to Buster. Previously I installed and configured successfully PiVPN with WireGuard, so it has been working before the ...
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18 views

How to turn Raspberry Pi 3's HDMI output to monochrome?

I'm running a Raspberry Pi 3 with its HDMI output connected to a TV. I would like to change the output from present colour to black and white ( monochrome ).
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66 views

Pi Hole suddenly stopped working

I've been running pi hole on the raspberry pi 3 B+ continuously for a few weeks now. Everything worked great but all of a sudden it stops working. My devices don't connect to the internet as if they'...
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20 views

Cross compiling error in python code for raspberry pi target machine in Ubuntu Virtual machine

I have to compile python code into an executable file. To do that on my RPi3 b+ running Debian stretch. I use cython to convert .py into .c code and then using gcc to create an executable file. The ...
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pi 3 won't connect to the internet through an Ethernet cable

Overnight I left my pi on so it could keep up the website I am hosting but come day my pi was not connecting to the internet so as I had setup a static ip (router side) I decided to delete the ...
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2answers
51 views

Raspbian Stretch unable to start SSH on boot: Problem starting ssh on boot exit 255 when executing ssh -D $SSHD_OPTS?

When I boot my Raspberry pi running Stretch 9, the syntax checks out alright, but when it goes to start the following error is what it gets: pi@hostname:~ $ sudo systemctl status ssh.service * ssh....
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Whatis the pi@raspberry exactly

When I want to connect on my raspberry with the terminal via SSH, I have to do : ssh pi@raspberry I know the raspberry is the hostname, but what is pi@? Thanks!
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Only one application can output audio to bluetooth speaker at a time

I have a rpi 3b+ running on the latest Raspbian Stretch with desktop (2019 April 09), I updated/upgraded all packages to newest version, everything related to bluetooth & audio is kept default. I ...
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257 views

Where is static IP setting?

A couple of years back I set up static IP in my Raspberry pi running Raspbian Stretch. Now I forgot and not able to find where I did that setup. I tried sudo nano /etc/dhcpcd.conf but it has only eth0 ...
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Audio stopped work on Rasbian Lite after reboot

So I know there's a lot of similar posts here, but I've read everything on the first 2 pages of Google and no luck yet. There's only one command that does actually produce audio for me: /opt/vc/src/...
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65 views

Headless Shutdown of Raspberry Pi using Adafruit-GPIO-Halt

I am new to Raspberry Pi and am trying to use the headless shutdown module provided by Adafruit. I downloaded the script of Adafruit-GPIO-Halt to my Raspberry Pi, installed it to the /usr/local/bin/...
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Are these upgrades all Jessie related, none are Stretch or Buster?

RASPBIAN JESSIE: I recently did a full update and then upgrade of apt. So eventhing was up to date. I then decided I needed some advance s/w and hence uncommented this line in /etc/apt/sources.list to ...
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python (2/3) functions to use a USB-camera? [closed]

After many attempts using pygame, or OpenCV to capture and display pictures from a standard USB-camera I decided to ask this question. Mplayer worked with all cameras I have tested (a=Logitech, b=...
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80 views

How to pass parameters to program run from init.d?

I'm debugging lirc on a Pi 3b running Stretch with 4.19 kernel. In my previous question, I found a way to cause lircd to function, but it requires invoking the daemon with passed parameters. I ...
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196 views

hostapd AP over both wlan0 and eth1

My hardware setup is currently: Router -> RPi (eth0) -> RPi (wlan0) -> subnet for my devices My desired setup is: Router -> RPi (eth0) -> RPi (wlan0 + eth1) -> subnet for my ...
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48 views

Using Hamachi messes up with the Pi's networking

I have a Raspberry Pi 3B+ running Raspbian Stretch with no problems since over a year. I recently tried install Hamachi from the official LogMeIn website, and connected it to my LogMeIn Hamachi ...
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1answer
39 views

Raspberry pi connection to wifi

I am a newbie to Raspberry Pi as I want to connect the Raspberry Pi to my Wi-Fi network which has a gateway, SSID and password. When the Raspberry Pi is booting up it connects automatically to Wi-Fi, ...
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32 views

Midori faces error granting trust (Raspbian Stretch)

I am trying to install Midori on a Raspberry Pi 3 B+, and I am struggling to access some addresses that Midori recognises as untrusted websites. When I click "trust this website", the browser shows ...
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61 views

Can't see files on external drive

I'm using an external drive for my cloud storage. Everything was working fine and then I installed airsonic. I added the tomcat8 user to the www-data group so that airsonic could see the music ...
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Raspbian 9 - pi-greeter not loading properly after update

After updating and upgrading through apt-get on my Raspbian 9, I am having problems booting into the login screen. After boot up, the display shows only a black screen with the mouse pointer at the ...
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1answer
72 views

Higher resolution framebuffer modes?

I have a raspberry pi plugged into a 3440x1440 monitor. Without setting any explicit framebuffer_* options in /boot/config.txt, it comes up at 1184x624. The display is crisp and legible but individual ...
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2answers
188 views

Can't sudo apt-get update && sudo apt-get upgrade (won't complete task)

I am having an issues updating my raspbian operating system. After running sudo apt-get update && sudo apt-get upgrade -y I receive the following error messages: Hit:1 http://raspbian....
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2answers
143 views

My apt is broken (Illegal instruction)

When I run apt update, or any other apt, Im getting an error saying "illegal instruction", just like this: pi@raspberrypi:~ $ sudo apt update Illegal instruction no other errormessages given. I ...
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1answer
49 views

Configure Raspberry Pi Stretch Network for AdHoc and Local Wifi

I am trying to connect a network of Pi's using an AdHoc network and OLSRd. However, I do not want to have to change the wifi settings each time that I need to install a package. My solution was to ...
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1answer
84 views

How to reset raspberry pi on laptop?

I have a RPI which I borrowed from a friend's friend. So I don't know whether he has changed the id and password for it. Because when I am trying the default id : pi password : raspberry the ...
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1answer
79 views

Unable to use Chromium browser

I have a Raspberry Pi 3 B+ with Raspbian installed. I use it headlessly with Remote Desktop Connection with Windows 10. After I log on to the Pi, my home screen shows up. If I run the Chromium browser ...
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3answers
166 views

Unable to get IP address of Raspberry pi to connect via Windows remote connect

I borrowed the RPI 3B from a friend's friend. hence I don't know the hostname so that I can ping the RPI to know its IP address. Hence I am following this tutorial to get its IP address. According to ...
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1answer
481 views

How to resolve “segmentation fault” on Raspberry Pi?

I am a happy user of Raspbian on Raspberry Pi. I have some services there like VPN, Plex, Pi-Hole, etc. Every 1-2 years it starts showing "segmentation fault", when running some commands. I need to ...
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2answers
83 views

Error trying to reformat SD card

After bad attempt to update Raspbian version from Jessie to Stretch my Raspberry PI 3 failed to boot (green LED is blinking 4 times). I tried to reformat microSD card to install new version of ...
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151 views

LXDE autostart takes too long to start chromium-browser

I am trying to start chromium-browser via ~/.config/LXDE-pi/autostart. The command is as follows: @chromium-browser localhost/scada --kiosk --incognito The problem I am having is that it takes ...
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1answer
263 views

Error Installing TensorFlow on Rasperry Pi 3 B

I'm following this guide to create an AI chatbot which requires Python 3.6, tensorflow etc. So I installed Python 3.6.8. To install TensorFlow I tried sudo pip install tensorflow I also downloaded ...
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78 views

LXDE crashes randomly

I've been using this Pi for a while now, and only recently this problem begins to happen: I'm doing some programming (Geany, lxterminal, pcmanfm are running) and then suddenly the icons in lxpanel ...
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2answers
126 views

Raspbian OS broken after “dist-upgrade”. Fresh-start instructions sought

Rapsberry Pi 4 with Noobs & Rapsbian full installed. Was working perfectly, until I did an apt-get dist-upgrade. Now (after reboot) it seems the window manager is broken or not launched : symptoms,...
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36 views

Pi 3 is connected to internet, can't ssh or ping

The follow problem has been occurring for 2 weeks with my Pi 3 (Pi, SD card, power supply are all brand new). After configuring, I boot up my Pi (stretch), it connects to the internet, I am able to ...
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1answer
32 views

Smart hub 2 setup

How do you configure a Raspberry Pi 3 WiFi to access the internet through a BT Smart Hub 2? Out of the box access to WiFi is reasonable simply but the final connection to the web is proving illusive. ...
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17 views

Interface gateway IP gets auto-configured after some time after deletion

I'm writing a script to control my network interfaces. I've three network interfaces viz eth0, ppp0, wlan0. I want such a configuration that when there is no internet available on eth0, it should ...
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37 views

Error E405 while trying to install discord.js with npm

I'm trying to host a Discord bot in my RPI3B+, but the required node.js package discord.js always fails to install. I've tried purging both NPM and Node.js, and i have upgraded my Raspbian using sudo ...
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1answer
291 views

Open a Folder in the File Manager by a Python Script

I would like to open a specific folder (not a file) in the file manager by pushing a button in a Tkinter frame. Does anyone know the function?
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1answer
113 views

USB devices (Including Internal NIC) got disconnected without a reason

I am using raspberry pi 1 B+ model with two USB devices (wifi dongle/Ethernet ) along with builtin NIC. all the USB devices including builtin NIC getting disconnected from time to time kernel ...
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72 views

Can't connect waveshare hat to raspberry pi 3b via python3 to obtain gps

I'm stuck with my waveshare hat and it would be cool if you could help me. I would like to obtain the gps location. I'm a python beginner and tried to use some already written code from this websites:...
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3answers
141 views

How to know if time is synced?

I'm writing a software in C and it is running as a systemd service. I need the service to run after time has synced or alternatively, I need a way for my C program to identify if time has synced. I'm ...
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1answer
47 views

Refreshing lxsession kodi-standalone exit

I'm having difficulties refreshing a screen after kodi-standalone exits. I have a stretch-lite RPI2 installation and starting kodi from command line (with LXDE xserver gui present) mrkipi@raspberrypi:...
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1answer
352 views

Reliable temperature/humidity logging with Python and a DHT11

There are more than 100 questions on this site concerning DHT11 or DHT22 sensors and I have used these with Python and c code using various libraries. None that I have tried seem to give reliable ...
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14 views

raspistill won't work when automating shots on 1GB PI 4

THIS WORKS: raspistill -cs 0 -ISO 600 -ss 175000 -w 1920 -h 1080 -o watcher-0000.jpg This does not raspistill -cs 0 -t 46800000 -ISO 600 -ss 175000 -w 1920 -h 1080 -o watcher-%04d.jpg I have ...
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1answer
193 views

howto config network interfaces in Raspbian after config files change

I cannot find a way to start network interfaces with proper config after I changed config files (eg dhcpcd.conf). The only way I found to take the new config into account is to reboot. There must be ...
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286 views

how to covert pyaudio sample rate 44100 to 16000 sample rate in Raspberry pi3 b+

Here I have provide the code which was working properly before but suddenly its stop working. But if I change the sample rate 16000 to 44100 its working. But i am not able to understand what exactly ...

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