Questions tagged [raspbian]

Raspbian renamed Raspberry Pi OS (32-bit) is a family of GNU/Linux operating systems derived from Debian. Version numbering follows that of Debian and the current stable is 11 (Bullseye). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own customised images.

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49 views

Custom keyboard gets "usb: connect-debounce failure" errors

I'm using the Raspberry Pi OS 64-bit version, updated to current, on a 4B with 8 GB RAM and a 512 GB SSD via USB3. I'm trying to use it with an IBM 122-key Model M keyboard with a custom STM32F411 ...
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1answer
2k views

Docker install failed on raspbian with "BUILD_EXCLUSIVE directive which does not match this kernel/arch."

I have tried to install docker on the latest rasbian: Uname -a Linux mypi 4.9.80-v7+ #1098 SMP Fri Mar 9 19:11:42 GMT 2018 armv7l GNU/Linux but I get the following error: sudo apt-get install ...
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2answers
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Can't install Heroku CLI on Raspberry Pi 3 running Raspbian

I've just started using my RP3 as my development box, and got everything working fine: Python 3.6, created venv's, installed posgresql, working with Django. All is fine. Except that, if I want to work ...
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1answer
11k views

transfer files from mobile to raspberry pi via Bluetooth

i want to transfer a file from my mobile to raspberry pi via Bluetooth as i am using a Bluetooth module with raspberry pi can you please explain how is this possible
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0answers
21 views

Constant CPU speed?

I'd like to run my Raspberry Pi (3b+) ARM Cortex A53 processor on a constant CPU speed, can be the lowest one, doesn't matter, as long as it does not change. I need this in order to profile some code, ...
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1answer
709 views

Get black screen in middle of boot squence using plymouth

I'm using Plymouth to have a splash screen on my Raspberry Pi 3 with Raspbian (Stretch) and up to the middle of sequence, the screen background becomes black and just updates are shown. The boot ...
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1answer
5k views

RTL8188EU in Raspbian Stretch

In the latest Raspbian I found the firmware-realtek package is already installed. It should provide the drivers for RTL8188EU/EE WiFi dongles. When I insert such a dongle dmesg shows: [ 152.651026] ...
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1answer
1k views

Problem with auto pair a Bluetooth device

https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/simple-agent I tried the Above Python script but getting a dialogue box 'Pairing Requested'. How to remove that dialogue box?
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1answer
1k views

I am having trouble installing libasound

So I have gone to portaudio2 and it says: sudo apt-get install libasound-dev It says 1 newly installed.. ?? what directory do I call: ./configure && make
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0answers
275 views

Raspberry pi 4 stuck on rainbow screen, green LED flashes 4 times

I have install latest(2020-05-27) raspberry pi image 32-bit. And it gets on rainbow screen on both outputs, red lights is on, while green lights flashes 4 times. When I turn on raspberry pi with out ...
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1answer
50 views

Raspberry Pi 4 booting/working slow [closed]

Recently my RPi 4 got crashed and I had to reboot my sd card with OS, I was using the Raspbian's 7th april 2021 release, but when I loaded it again my pi started working slow it even booted in 2-3 ...
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2answers
85 views

Raspberry Pi 4 Working Slow [closed]

I am beginner to the raspberry pi , I bought a pi 4 model b with 8GB ram, since last 3 weeks I'm encountering multiple issues with it and one of them is its "SLOW PERFORMANCE", I've tried ...
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2answers
315 views

Getting Pure Data to work on Raspbian Jessie (giving Pure Data permission to access device?)

I’m new to Raspberry Pi and am trying to run Pure Data on it to control a teensy 3.2 using Open Sound Control which in turn controls some stepper motors for a pump just like here https://github.com/...
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1answer
24 views

Screen tearing - Bullseye vs Buster

I have installed the Bullseye for the testing, and i have noticed that UI is smooth and there is NO screen tearing at all. (But the other things, which works in buster are problematic here on Bullseye....
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1answer
32 views

Where to set Static IP when running ISC DHCP Server

I've set up a standard ISC DHCP server on my Pi4 running 5.10.52-v7l+ of Pi OS. I'd initially had my static IP set in my /etc/network/interfaces file and that worked ok but I couldn't get WiFi working ...
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1answer
98 views

Wifi after upgrade to bullseye is blocked by rfkill

I recently updated my RPi-3B to bullseye. Since then I am not able to connect it to my wifi. It shows the following message when I login Wi-Fi is currently blocked by rfkill. Use raspi-config to set ...
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2answers
2k views

Mounting smb with CIFS ignores file_mode and dir_mode

I'm having trouble with permissions involving an SMB share hosted on another machine on my local network. It appears that no matter what options I provide in the /etc/fstab or in a mount command, ls -...
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5answers
5k views

Micro SD is card is not working after formatting

I formatted my SD card to install the Raspbian Jessie, using Etcher, but it gave me several errors, and after that my Mac, or Windows, laptop is not detecting the card at all. What can I do with it?
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1answer
2k views

USB Bluetooth dongle loses its "PSCAN" state when connected via Bluetooth serial port

I have a CSR 4.0 Bluetooth dongle on my Raspberry Pi. When Raspbian starts, hciconfig shows that the state of hci0 is "UP RUNNING PSCAN". However, every time I connect to the Pi's Bluetooth serial ...
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1answer
5k views

Error trying to install python-firebase on Raspberry Pi 3

I have installed requests but I'm unable to install the python-firebase package. I want to fetch data from firebase on my Raspberry Pi 3. I have used the following code to do the same on my PC. from ...
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1answer
2k views

Espeak library pcm.c:2495 unknown pcm bluealsa - raspberry pi

I'm currently working on a project using espeak I fixed the first issues with devices using this tutorial https://www.raspberrypi.org/forums/viewtopic.php?t=136974 but i'm left with what is below ...
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0answers
13 views

Nothing else than the ARMv7 RaspiOS is bootable for me

I just bought 2x 32GB Micro SDCards (100MB/s Read, 90MB/s Write) and tried flashing the ARMv7 RaspiOS onto them for both of my 2 Raspberry Pi 4B 8GBs. This is working as intended. But as soon as I'm ...
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0answers
30 views

Need help overlaying an application window over camera screen

I made a python code where it will launch the pi camera and I can use buttons to record a video for 30 seconds or take pictures. In this python code, I mixed in another python script where I can ...
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1answer
17 views

New mount path is getting created for external drive after reboot

I have an external drive connected to my rpi 4 which has the label "4". Sometimes the device completely hangs and I take out the power cable and put it back in to restart, not sure if there'...
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3answers
6k views

Where is the wpa_supplicant file?

How do I access the /boot partition on the SD card so that I can edit the wpa_supplicant.conf file?
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1answer
319 views

WiFi AP works, until I change the SSID. How come?

I've followed the excellent instructions at Setting up a Raspberry Pi as an access point - the easy way and have succeeded in setting up my Raspi 3b as a router (Ethernet on the uplink on subnet 192....
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1answer
1k views

shell script not working in crontab but works manually

I am using crontab to open an image at every minute using a shell script. My script is working if I run it manually. But it is not executing in crontab. I have another script running well in crontab ...
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1answer
31 views

Autostart commands after startup

Please where i have to put my commands, which i need to run after the OS boot up? For example, i need run these commands. (Raspbian OS Bullseye 32bit) Thanks imwheel --kill --buttons "4 5" ...
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1answer
560 views

Raspbian Buster and XRDP keyboard layout

I've Raspbian Buster installed on Raspberry Pi 4. I installed XRDP by first removing/purging RealVNC server (according to some sources on the web, they cannot coexist peacefully) and then installing ...
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1answer
8k views

Selenium - Firefox - OSError: [Errno 8] Exec format error

I'm trying to run selenium on a Raspberry Pi 3. I've installed geckodriver and added it to my path. $: which geckodriver /bin/geckodriver echo $PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/...
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0answers
3k views

Why I cannot read the temperature / humidity sensor SHT20?

I use a temperature and humidity sensor sht20. According to this link: http://www.sensirion.com/en/products/humidity-temperature/humidity-temperature-sensor-sht2x/ It is compatible with sht21, which ...
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1answer
42 views

sudo command on Raspbian Terminal is hanging

When sudo command is typed and pressed on the terminal, it's getting hanged. Background, I tried to establish the CAN link on the Raspberry PI board. Added CAN link connection command/script upon boot-...
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5answers
39k views

How Do I Change Pi-Hole's URL Path?

How do I change pi hole's URL? It's currently 10.0.0.20/admin. I want to use the /admin path for something else but couldn't find a way to change Pi-Hole's path to something else.
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0answers
18 views

Raspberry Pi 4 issues [closed]

it's new issue everyday with my raspberry pi, 3 weeks ago my pi got off because the adapter was a bit loose in the socket and after that I'm encountering a some issues, I have to submit my final year ...
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1answer
24 views

Is there a way to grant raspberry pi that you have ssh'd into access to a VPN that you're currently connect to?

If i'm connected to a VPN on my main machine, then ssh into my pi is there a way to share that VPN connection with the pi without having to literally install and set up said VPN on the pi?
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0answers
21 views

IR Remote using Raspberry Pi CM4

I am working on the Raspberry Pi CM4 module with the Raspbian Bullseye image (kernel version:5.10.63-v7l+) I have tried many IR Remote tutorials like LIRC & KODI. IR Blaster (LIRC) Infra-Red ...
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4answers
814 views

Unable to create a bootable Raspbian Lite SD card with the `dd` command

So after much searching, trail and error, I was finally able to create a bootable SD card for my RPi2 Model B. Unfortunately, I did it in a way that I did not want to and I wanted to know where I have ...
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2answers
101 views

Is the latest Raspberry Pi OS Bullseye trustable?

I,m thinking of upgrading my Pi-Os and I do not know for sure if Bulleseye is fully trustable and might have a glitch on me. Does it have aney problems, can I trust it, or is it dangerous or hard to ...
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4answers
60k views

WIFI USB adapter not detected

I'm using a WIFI USB adapter : TP-Link TL-WN725N Nano Adaptateur USB wireless N 150 Mbps. I plug it to my raspberry and configured it in /etc/network/interfaces . I added this : allow-hotplug wlan0 ...
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1answer
698 views

Receive data on the raspberry with c# using mono

I want to send strings between the raspberry and a windows computer via serial and with c#. This works from the raspberry to the computer as shown below. In the picture you can see that I have sent a ...
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1answer
228 views

Node Script auto start not working - RPI

I have a node script inside /home/pi/Blynk/script.js. I've followed various posts online relating using cron and /etc/init.d, however none seem to be working. The script must be run via sudo, I've ...
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1answer
892 views

ultrasonic sensor stops after giving some reading when running in thread on tornado websocket python

I am using Ultrasonic sensor to get reading and am using python program for getting reading. And am using Raspberry pi for this. when am running python program independently its giving me reading ...
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2answers
3k views

Kivy won't listen to "fulllscreen" setting

Working on a Raspberry Pi Model 3 B, running raspbian. Running Kivy v1.9.2-dev0 and Python v2.7.3 Trying out one of the Kivy examples but for some reason the application won't come up in "Windowed ...
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0answers
41 views

unable to connect wifi in raspberry pi 4

it's been like 2 weeks since my raspberry pi is behaving abnormally, it's new issue with it everyday, this time it's the wifi which can't connectit gives error of "wpa_supplicant" file, i ...
171
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11answers
428k views

Disable WiFi (wlan0) on Pi 3

Got a Pi 3 which will always use ethernet, so trying to figure out how to disable the WiFi such that it does not even turn on after a reboot. If I do an ifconfig I see the wlan0 device. I can do ...
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1answer
32 views

Issue mounting a 1TB hard drive

I am turning my RPi into a Plex server. I have connected the drive using a powered USB hub, and the output from sudo fdisk -l returns with this on the end: Disk /dev/sda: 931.5 GiB, 1000204884992 ...
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1answer
27 views

Updating to newest GCC/G++

After updating my Raspbian Pi 4B through sudo apt update && sudo apt upgrade -y, I noticed that it has quite old GCC/G++ version 8.3.0 while there exists already release of 11.2. Can anyone ...
2
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1answer
1k views

LIRC irsend command change config file

By default irsend take the default lircd configuration file. But irrecord save the recorded remote on a specific file :( What I want to achieve is from a web interface launch the remote recording and ...
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1answer
29 views

Wifi not working in raspberry pi 0 when booting from usb

I am using raspberry pi os in raspberry pi 0 w I booted from USB after editing the config.txt file but the wifi is not working on my USB boot it says there is no wireless LAN, I wanted to know 2 ...
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1answer
43 views

How do you program a 1x4 Matrix Keypad in Raspberry pi?

I bought a 1x4 Matrix Keypad https://www.google.com/url?sa=i&url=https%3A%2F%2Fshopee.com.my%2F-Luminense-1x4-Matrix-Memberane-Switch-Keypad-Numpad-Arduino-Raspberry-Pi-i.63040732.4334990197&...

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