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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“structure needs cleaning” after sudo apt-get upgrade

distribution version: 10 (buster) kernel version: 4.19.57-v7+ Basically havent done anything on this pi except download a 3.5in touchscreen driver. Then i created a static ip address then (from ssh)...
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Cooling Fan Hat?

The PoE hat has a built-in cooling fan, and even has drivers in Raspbian to automatically turn it on and off based on the CPU temperature. However, any guides to add a temperature-controlled fan seem ...
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Can't return any values from ttyUSB0 [on hold]

I'm using a SICK S300 scanner connected via Diagnostic cable to my Raspberry Pi, and it shows the connection as /dev/ttyUSB0 however I can't retrieve any data from it whatsoever.
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How to play 720p/1080p videos on Raspberry Pi 3 A+

I bought a Raspberry Pi 3 A+ hoping, among other things, to play HD videos. I have flashed Raspbian Buster on a 64GB microSD card, extended the FS, and, generally, the Pi seems to work fine with light ...
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How to revert from rpi-update to stable build

I have been using a RPi3 for the last year without any issues. I have had rpi-update as part of a regular update process (cron job). Lately I have been experiencing crashes. I started to investigate, ...
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How to access Raspberry Pi webapp on remote devices, with RasPi as accesspoint

I'm working on a remote car to use outdoors. I'm controlling motors with relays using a flask webapp running at localhost. I can access the webapp when raspi is on my home network, by loading it's ip:...
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20 views

Pi 3 w/Pisound - Won't turn on unless wait a few minutes

I have a Pi 3 and Pisound (hat) and to turn it off I just unplug the cable. Now oddly, if I plug it back in right away I just get a red light, no blinking yellow BUT If I wait a few minutes to plug it ...
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Installing Raspbian to an SD card connected to a smartphone

I have no idea why it doesn't work, but my PC doesn't detect SD cards, neither does my laptop. My phone detects the same MicroSD card, if I take the standard SD adapter off and plug it into my phone. ...
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41 views

Two dhcpcd services: systemd and init.d

I see that there is a systemd service called dhcpcd5 and an init.d script called dhcpcd. Why both ways? What are the differences and how to choose which run?
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Login service fails to start

On my Raspbian Buster Lite (slightly customized) at boot I notice the Login Service fails to start several times: [FAILED] Failed to start Login Service. See 'systemctl status systemd-logind.service' ...
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Run Raspbian in RAM

Since the first version of Raspberry Pi, I use a customized version of Raspbian in order to mount the rootfs in read-only. Basically I created symlinks in RAM for /var directories so applications don'...
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Logwatch problem

I'm trying to send logs to my email. I'm doing this via SSH. I edited the file: /usr/share/logwatch/default.conf/logwatch.conf and edited these lines: Output = mail Format = html Encode = none ...
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I am unable to upgrade Raspbian on my Raspberry Pi 3 B+

I got my Pi in Fall, 2018, and have not had trouble running it. However, when I tried to upgrade my Raspbian back in May, 2019, and it didn’t look like I succeeded because when I issued the command “...
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Is it possible to make access raspberry pi 3b+ access point from wifi without ethernet and other external devices?

Is it possible to create access point from Raspberry Pi 3B+, without ethernet? I'd like to create access point like for example android hotspot, were you can start hotspot but you still can use ...
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lsb_release -a gives 10!

I followed this tutorial, trying to upgrade directly from Jessie to Buster instead of Jessie to Stretch. then, when i check the version with $ lsb_release -a I get this! No LSB modules are ...
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Record Audio from Output Device

I want to record the audio samples that are playing on the output device (i.e. analog audio or HDMI). Is there any way to read those samples? I'm running the latest Raspian Lite on an RPi4.
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HC-05 and Raspberry Pi 3 automatic connection

I have sensors which connected to arduino. I would like to send data to raspberry via bluetooth. I make a following steps: sudo bluetoothctl power on agent on default-agent pair XX:XX:XX:XX:XX ...
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1answer
35 views

Simulate raspberry pi GPIO

Is there a software to simulate Raspberry Pi hardware design such as proteus? I would like : To use a raspberry pi as a virtual component, Do all the wiring, simulate, Simulate, test code, Check for ...
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GPS BU-353S4 with Pi4 - not reading position, only timestamp

I'm just gonna say real quick that I've through about 20 threads on this topic, so I know this issue has been brought up many times, but the problem seems to change for every new build of raspbian or ...
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How to automate network login on a college lan(ethernet) connection?

I have a raspberry pi 3B connected to a lan port in college hostel room. Before, being able to access the internet, the connection requires the user to login using credentials given to the students by ...
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Howto tell the difference between a RP3B and RP4B from a script? [duplicate]

I want to create scripts that configure RP3 and RP4 software installations using Raspbian Lite. The scripts need to know the difference between an RP3B+ and and RP4B. How can I do that? Dazz
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Unrecognized URL with motion

Trying to install motion for a sricam SP017 (720p) on a raspbian pi. I did an apt-get install motion. motion -h gives motion Version 3.2.12+git20140228, Copyright 2000-2005 Jeroen Vreeken/Folkert van ...
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Using 10 inch TFT touch screen with Raspberry Pi. Does not rotate the touch screen correctly

I am using the lastest version of Raspbian on the Raspberry Pi. I am using a 10 inch screen TFT touch screen. In /boot/config.txt, I've added the following 2 lines: display_rotate=1 xinput set-prop ...
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Pi-4 and going into weird video mode

I recently purchased my Pi-4 and am quite impressed with the performance. However, I'm also noticing a problem after the board has been running for a little while. Initially, everything is beautiful, ...
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Docker-Compose multiple MAC addresses in containers

I am trying to find a way to run 2 services that uses MAC addresses as unique networkIDs on my SmartThings hub (cast-web-api and MQTT-Bridge) Right now, I built a docker-compose.yml file that does ...
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66 views

Raspberry pi 4 no hdmi signal

I have recently bought a raspberry pi 4 (4gb version) and its' original power adapter. I used balena etcher to flash my sd card, which I have used in my previous raspberries and works properly, but it ...
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44 views

Using RaspberryPi 3 B as hotspot

I am trying to use Raspberry Pi as hotspot device. I am following this documentation: https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md I am not using ethernet eth0 to ...
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45 views

Raspberry Pi into USB disk drive [closed]

I have a Bio metric attendance machine, it creates a attendance report and it has a usb port where we can put pendrive to get the attendance reports but instead of pendrive i want to use raspberry pi ...
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How to read rPi camera hardware information that which type of camera sensor( imx219 or OV5647) is being used in camera module?

I want to read the camera hardware spec to ensure which type of camera sensor (like imx219 or OV5647 etc) is being used in the rPi camera module for camera module v1 and v2. Is there any method to ...
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1answer
68 views

boot failure after flashing RPI-4 raspbian buster on older RPI-3 image sdcards

Last week I flashed Raspbian Buster image to a very old SanDisk 8gb card (slow) using win32diskimager on windows 10, it worked just fine on my new RPI4B-1GB board - and its still functional ... Steps ...
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Keyboard only working properly, if plugged in AFTER bootup?

If i plug my little keypad into my raspberry pi model 3+ and turn it on, it will boot and for a few seconds and a couple of key strokes it works... And then stops. It still shows in LSUSB but won't ...
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GPIO Pins not changing in mono c#

I am trying to read a pin on my Pi 3 model B+. It runs on raspbian, the application is programed in C# and I use mono to run it. I'm using the RaspberryPiDotNet library, which I compiled in windows ...
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1answer
42 views

Raspbian crashes when connecting to AP

Following Raspberry Pi's own tutorial for setting up an access point (https://github.com/raspberrypi/documentation/blob/master/configuration/wireless/access-point.md) from a clean Raspbian Buster ...
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1answer
43 views

Raspberry Pi 4 Installed screen drivers but disabled my hdmi

I bought a touchscreen and installed the drivers for it, but now my hdmi doesn't work. I am currently running Raspbian on Raspberry Pi 4 model B.And I have a 3.5 inch tft screen.I do not no what ...
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Not getting the BSD General Commands Manual for builtins on Raspbian

I'm on Raspbian buster I specifically want the builtin manual just to read it, but entering man cd just outputs "No manual entry for builtin." I know I could get documentation on builtins using help, ...
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28 views

Can't log in via any means

So I'm running Raspbian (I installed with NOOBS initially if that makes a difference) on a Raspberry pi model 3B+ and I can't log in. before anyone says it, I know this question has been posted before,...
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Raspberry PI boot FAT32 arrangement

I recently thought about tinkering with Raspbian by adding an initramfs. But I have still some unresolved questions about the boot (FAT32) partition. Does the partition have to be on a specific ...
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I want to increase screen resolution on Raspbian Pixel for PC on DELL Optiplex 755 and ASUS monitor

Problem: cannot increase screen resolution on Raspbian Pixel for PC on DELL Optiplex 755 and ASUS monitor. The monitor is an ASUS VW202S with a single VGA port It works fine at screen resolution of ...
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how to change the check frequency of an egalax touchscreen

i have an egalax resistive touchscreen, it works in a normal way, but if i touch it rapidly, for example, just lie it down and drop down a pen on it, it just no response. I guess it maybe needs to ...
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1answer
24 views

Scanning WiFi Signals as regular user

As per this: https://linux.die.net/man/8/iwlist I understand that scanning of WiFi Networks requires root access. If you are a regular user than you can only see the Wifi Network you are connected ...
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No title bar on window on pi

I use raspbian on pi3. After i installed ros kinetic on my raspberry and reboot all windows (terminal, file manager, ... etc) lost title bar. No maximize or minimize or close button. I tried (alt+f4) ...
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Massive old LED Sign…powered by Raspberry Pi?

I got this massive 165cm/16kg LED sign: https://www.alpha-american.com/p-alpha-premiere-9200c.html and it seems to be working as far as I can tell when I power it up: https://youtu.be/Msf971cHOQs . ...
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28 views

RUN RC522 READ Python Script without SUDO [duplicate]

Im working with MFRC522-Python library, I READ the RFid Uid then I open a webbrowser with a specific URL composed by the uid of each card. The thing is in Raspbian Buster (RPI 3b+) cannot run Chrome-...
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Open webbrowser chromium-browser from PYTHON script executed as ROOT

thanks for your time. Im getting some headhaches with a python script that takes the uID from RC522 tag reader then open a specific URL with the UID in a web browser.. It was working great on my RPI ...
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Error #35584 when trying to run Minetest with flatpak

I'm trying to install minetest on my Raspberry Pi B+ by running flatpak install net.minetest.Minetest I got it installed but after rebooting my pi it doesn't show up anywhere and trying to open it ...
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Can I run Raspbian Stretch on Pi 4?

According to the article, there is a yellow checkmark for Pi 4 for Stretch (if it is upgraded to the 2019-04-08 release). I'm curious what limitations the Pi 4 has in this state.
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26 views

Disable logging of dotnet core console output

I have a dotnet core application that is executed by a systemctl service. In normal operation it will always execute in this context. However the application may also be executed manually by the user ...
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Cannot ping my access point

I created an access point on my Raspberry PI (Raspbian) following Setting up a Raspberry Pi as an access point - the easy way the systemd-networkd way. Now I have to connect to my AP via another RPI ...
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20 views

RPi Camera starts going white

I bought a RPi Camera V2 from amazon yesterday and when I tested it today it started going white and then flashing colors like a disco party (rave starts 8 seconds in): https://imgur.com/a/QK5VL22 ...
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2answers
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Connection raspberry pi 3 B + via putty, by using mobile internet

I am a newbie and perhaps this issue is incorrect. I am going to connect raspberry (3B+) with the laptop, then connect it via OpenSSH (OS is Windows, + WSL) or VNC. I am using mobile internet. About ...