Questions tagged [raspbian]

Raspbian is a family of GNU/Linux operating systems derived from Debian. Version numbering follows that of Debian and the current stable is 10 (Buster). 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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Hardware PWM on Raspberry Pi 2 using .NET Core 3.1

I would like to use hardware PWM on a GPIO port to generate RC-5 IR codes with an IR LED. I read that .NET Core now has PWM support and that the Pi has at least one PWM-enabled GPIO pin, but I can ...
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2answers
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Broken /etc/network/interfaces file

So at first I had a problem with my raspberry pi connecting to any Wi-Fi connection because of an error which sounds like this "no wireless interfaces found". I've tried several fixes, nothing worked ...
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1answer
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VNC/Screen Mirroring over raspberry pi 4 hotspot

So far found ways to set up a VNC server with the local network. However, I'm looking for a way to create a hotspot that bridges a wifi connection on the pi and host a VNC server (such as RealVNC) or ...
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How to use a python program to edit/save/update variables in a different program? [closed]

Like the title says, I want to dynamically update variable values in a program from another program. For instance: Master pulls variable of 1, from slave program Master updates variable from 1 to 2. ...
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3answers
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Use Scratch 2 (and NOT Scratch 3) on raspbian

I want to use Scratch 2 on raspbian. I googled and found that latest raspbian buster comes with Scratch 3 (which I don't want to use). Based on further searches, I have now downloaded raspbian Stretch ...
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1answer
21 views

Would it be possible to setup ExpressVPN on the same PI as the Pi-hole?

I've managed to setup a PI-hole and my router is using the pi-hole as the DHCP server, and all my devices still have internet access. I would also like to install ExpressVPN on the Pi, so that all my ...
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1answer
27 views

ir transmitter and receiver raspberry pi false edge detection

first time posting here so i will try to explain my best . I have 1 infra red transmitter on one side and second on other side , and when someone passes through i want to detect and call some function....
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1answer
51 views

Unable to work around Raspberry PI 4/4GB USB issue

I've recently acquired a Raspberry Pi 4/4GB, which I'm planning to use in place of a failed motherboard/GPU in an old 24" iMac, re-using only the display, PSU, fans and speakers. Initially, I'm at ...
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Raspberry pi wifi problems, could not get status from wpa-supplicant

I know very simalar questions have already been asked but I walked through most of them without any kind of result. (I'm very new to raspberry pi). If I open the wpa_gui program i get the status: '...
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Boots to Emergency Console, Unable to check boot partition filesystem

Switched to F2FS for the root partition. Upgraded from stretch to buster. Now the system goes to the emergency console because the filesystem check dependency fails. It still boots after I hit ENTER. ...
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Raspbian cannot resolve raspberry.org subdomains DNS for updates

Newbie here.. I'm having issues with accessing archive.raspberrypi.org. I first thought I merely broke my installation at home but I've just installed a fresh Raspbian OS in virtualbox on a different ...
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Probably a basic AF request. for i in range (modified)

Trying to be the half-term hero I know I can be. I have a Pimoroni Blinkt unit that I'm running a for i in range command on creating an endless loop. That's cool, but how do I modify the code to make ...
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1answer
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My raspberry pi and laptop are connected to my mobile hotspot but it's not connecting to VNC nor putty

I have connected both the laptop and raspberry pi to my mobile hotspot it's showing connected in the connected devices as usual but when I entered the raspberry pi IP address in VNC it's not getting ...
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16 views

Most compatible Java on Raspbian

I have run my .jar code on Raspberry Pi 3B - Raspbian Buster with Oracle Java 8 (1.8.0_241). The code will completely run after ~80 seconds. It's read that some java versions/models (like openJdk, ...
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Wants to install Eclipse Kura but failed to set up internet network after removing dhpcd5 package

I am trying to install Eclipse Kura on my raspberry pi. From the Kura website, it is said that the package dhcpcd5 is not compatible with Kura. After removing the package, I tried to follow the ...
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How to use bash script(s) to easily switch RPi between onboard hotspot and external WiFi network connection?

I've created a web based UI for an RPi based IoT project with a network settings page. It allows users to specify WiFi settings and switch between an internal hotspot and an external WiFi network. ...
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USB ports heavily lag or disconnect completely

We have a Raspberry Pi 4B running Raspbian as a lightweight management console. (A cost effective way of managing network devices over RS232 and such.) I've noticed some problems with the USB ...
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42 views

How to use Raspberry PI4 as a security device for the network?

How Can I use Raspberry Pi 4 as a antivirus or a security device in a Network? I am trying to make the raspberry pi become a security device example below. ---(Internet)----(PI 4)-----(Local-PC) ...
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1answer
34 views

Raspberry Pi 4 network boot without tftp?

we want to boot the PI 4 from the network without an sd card. We already have an old system that works on the old pis with a minimal image that gets from the DHCP server the boot server. Is something ...
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How can Rpi python read SPI ADNS3080 Optical Mouse Sensor's register values?

I am using ADNS3080 optical flow in raspberry pi 3. I set SPI connection between raspberry and ADNS3080 optical flow. I used spidev library for reading values in python. I want to read delta_x and ...
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Erro downloading kinetic ROS on RPi 4

I am following the guide provided on github to downloading raspbian and ros. I followed the steps mentioned here: http://wiki.ros.org/ROSberryPi/Installing%20ROS%20Kinetic%20on%20the%20Raspberry%20Pi ...
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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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dotnet Core 3.1.1 on Raspbian - but can't find runtimepack

I'm at wits' end, trying to figure out why my HelloWorld console app doesn't work. my Raspberry is a B3 running Raspbian Buster Lite. dotnet --info shows the following: I followed the instructions ...
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Getting ftdi_sio ttyUSB0: failed to get modem status: -32

Iam using Raspberry pi 3b along with Xbee and Sixfab 3G/4G base sheild. getting ftdi_sio ttyUSB0: failed to get modem status: -32 usb usb1-port1: disabled by hub (EMI?), re-enabling... and also ...
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How does the raspberry shake software work?

Correct me if I'm wrong. I just need an sd card with Raspbian installed and the software for raspberry shake. Because I want to use my own sd card, not the one Raspberry Shake came with. But I'm ...
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25 views

Raspicast don't work on my rapsberry 4

I have tried to make my raspberry behave like a chromecast, following tutorials like this one: https://pimylifeup.com/raspberry-pi-chromecast/ there are lot of other tutorials, but they have all the ...
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26 views

Pi4 OpenVPN/ server performance is terrible over gigabit [closed]

I was excited to utilize the 1gbps LAN the Pi4 has as I have a 1gbps up/down connection, but was shocked at how bad OpenPVN and WireGuard perform. I did tests on my phone with the respective apps, ...
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Raspberry Pi 4 - Failed to start (squished text situation)

My Raspberry Pi 4 has Raspbian Buster installed and everything was working fine. The last change I made was to the /etc/fstab file relating to booting an external USB drive. Now when I boot up I get ...
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1answer
31 views

Bridge WiFi with ethernet on RPi 3B+ without NAT

I would like to bridge eth0 and wlan0 on Raspberry Pi. The connections are as follows: ________________________________________ | RPi ...
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0answers
48 views

Raspbian: dm_mod missing after mkinitramfs on luks encrypted partition

It appears that after a kernel update happened, and rebooted for, Raspbian will no longer boot. (RPi4) After entering the (correct) encryption key when prompted, the mount fails with error: Cannot ...
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1answer
48 views

Budgie DE on Pi 4

I've tried to install the budgie desktop on my raspberry pi 4 for almost a week now. people on discord told me to run a set of commands that allegedly worked for them. However, I have a fresh raspbian ...
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2answers
48 views

RPi4 drops Wifi - how to debug?

I have setup a Raspberry Pi 4 with a basic Home Assistant installation, and the RPi seems to drop the Wifi connection randomly - i.e. I am not able to connect to it from another device. I can "force" ...
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Raspbian boot - override, cancel 'X' on-the-fly?

My question is similar to that old one here, but which never got a correct answer AIUI: Boot without starting X-server But let me restate: Having Raspbian-Pi set up to autostart the X.org desktop (...
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Tuning watchdog cpu usage

I've enabled the watchdog module # /etc/modules i2c-dev bcm2835_wdt And installed and activated the watchdog daemon with the following configuration: # /etc/watchdog.conf realtime = yes priority =...
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0answers
29 views

Raspberry Pi 4 B unmounting and mouting intermittently

I had two drives on my Raspberry Pi 4 B and they kept being unmounted, I moved one to my router and it seems to be working fine now... I read about max_usb_current=1 doesn't make any difference on ...
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2answers
51 views

Is it possible to record the screen and Audio on a Raspberry Pi 4 model B

I wanna record my screen and audio, Is It Possible? how to do that? I use Raspberry Pi 4 Model B. I still new, I hope you can help. thanks.
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1answer
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PI 4 sometimes doesn't boot after rebooting from command line

I have a new Raspberry Pi 4 connected to a motherboard that supplies very stable voltage and current to the Pi. I flashed an SD card with the latest distro and realized that sometimes when I run ...
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1answer
42 views

How to record system audio on Raspberry pi?

I’m trying to figure out how to record the system audio from raspbian. I want to record audio from either the OS or a specific program... like recording an audio stream... if it possible? I tried ...
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0answers
20 views

Can we use pin 3 and 5 for rtc clock module and for detecting input from push button while both are connected?

I have my project where all the GPIO pins of raspberry pi have been utilized. Now I want to add an rtc clock module to the RaspberryPi. Pin 3 and 5 are already connected to the push button in input ...
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1answer
54 views

Internet through wifi lost after some time (on Pi4B on Raspbian)

I have a problem with my Raspberry Pi 4B running Raspbian When I boot it, internet through wifi works, but after some hours (between 6 and 24 hours, approximately), wifi is still working but nothing ...
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1answer
45 views

Does RaspAP lock the file system?

Quick question to help stop me from losing my mind. Does the standard install of RaspAP lock the file system to stop you from installing other services? Step 1. RaspAP installed and working fine. ...
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2answers
92 views

PIVPN Wireguard + TOR

I have installed PIVPN with the Wireguard protocol. So from my mobile phone, for example, my data are encrypted between my mobile phone and VPN but not between my VPN and the Internet. Is there a way ...
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1answer
125 views

PHP 7.4 on raspbian

I'm trying for about 4 hours to install PHP 7.4 on my Raspberry Pi Zero W. I tried different tutorials, but I endup crashing my raspbian completly or just the installed php. With crashing I mean, I ...
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1answer
32 views

How to specify the wifi network to connect and avoid any other (for raspberry pi 0w)

I am using raspeberry pi 0W (Debian) to connect to a specific WiFi network, the problem is that sometimes it connects to other networks (open wifi networks). I do not want to edit wpa_supplicant.conf ...
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0answers
32 views

Campus Network wi-fi issue

I have a raspberry pi which is connected to University network via wi-fi. I usually just ssh to it through my PC if i want to do anything. The internet is working as I can ping google and even fetch ...
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5answers
161 views

How do I SSH into my Pi at home from a remote location? [duplicate]

I can't seem to find a straight answer anywhere. So I'm just going to ask SO instead. For arguments sake, lets assume these are my details public IP ~ 11.111.11.11 Pi's private IP ~ 192.168.0....
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1answer
26 views

Is it possible to recover the package/program “Screen Configuration” in Buster

I removed Python 2.7 and some packages attached to it by mistake, I've to reinstall the desktop and other utilities, but I couldn't figure out how with this one. Only way to change screen resolution ...
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1answer
39 views

How to change wi-fi country in Raspberry Pi 4?

My Raspberry Pi information: > uname -a Linux raspberrypi 4.19.93-v7l+ #1290 SMP Fri Jan 10 16:45:11 GMT 2020 armv7l GNU/Linux > cat /etc/os-release ...
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Can i transfer files between two rapberry pi's using Aux cable?

As a part of project, i have to transfer any file from one pi to another pi through Aux cable.
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32 views

Pi not copy+pasting correctly

My raspberry pi is not copying and pasting correctly from thonny to python2. It thinks I want more than one prompt for when I copy 1 thing. Here: code: >>> client = pytumblr.TumblrRestClient( ... ...

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