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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27 views

Run blender 2.8 headless on pi?

I am trying to run blender 2.8 headless on raspberry pi 3b+ running raspbian. I have downloaded the Linux version from the blender website. But whenever I open the executable called “blender” in ...
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17answers
259k views

Easiest way to show my IP address?

After I've booted up, what's the easiest way to obtain and display the IP address that the device is currently using? I'm using Raspbian, and ifconfig doesn't appear to be installed. Are there any ...
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1answer
7k views

No sound through 3.5mm jack

I've followed the instructions to "force sound over 3.5mm jack" but when I run omxplayer example.mp3 I get no audio. When I force omxplayer to play over the 3.5mm jack using omxplayer -o local example....
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1answer
624 views

Powering 3 HDD's with external power

I'm trying to connect 3 HDD's to my Pi3. They are 2x 3.5" and 1x 2.5", all powered with a external power supply: https://www.inateck.com/inateck-ua1001-usb-3-0-to-ide-sata-adapter.html It works if I ...
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0answers
10 views

Raspberry Pi Remote Desktop with Macbook using SSH

I have seen so many tutorials on Youtube showing how to connect Raspberry Ri to Macbook using ssh but when i do try it comes up with an error. i have tried this specific tutorial but still comes up ...
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1answer
49 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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4answers
52 views

Display html page content before reboot

I have a raspberry with lighttpd and php. Now I want to display webpage content before the raspberry is rebooting when I click on a link. I have create the page below. But when I load the page it isn’...
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1answer
14 views

Raspbian - Custom SPI Bus similar to custom I2c Bus

I am currently using this line to put in a custom I2C Bus in my boot/config file: dtoverlay=i2c-gpio,bus=4,i2c_gpio_delay_us=1,i2c_gpio_sda=6,i2c_gpio_scl=0 However, I want to be able to set up a ...
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1answer
442 views

filenotfounderror with SPI function

I am currently working on a personal project and im having some problems troubleshooting this particular error. python3 ecg.py Traceback (most recent call last): File "ecg.py", line 30, in <...
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2answers
66 views

The apt-get update does not work on Raspbian

Every time I try to run this command, this is what I get: apt-get update Result: Reading package lists... Done E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied) ...
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2answers
287 views

Connecting to internet raspberry pi 3 model B built in Wi-Fi

I am having trouble connecting to my Wi-Fi. I have looked all around, but they are all about pi2 or model 1 or 2. When I try using the built in Wi-Fi, I enter my pre-shared key and then it says it is ...
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1answer
40 views

Rotary Encoder not working properly

I'm using raspberry pi 4B 4GB. When I attach my encoder(model ENC-1-2-1-24) it works successfully. But, when I am in an industrial environment, the encoder gets noise. (No turning) I use pull-down ...
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1answer
1k views

RPi 3 B with Raspbian, LibreELEC and RetroPie?

Can anyone tell me how to install Raspbian, RetroPie and LibreELEC on the same SDcard. I just bought a Raspberry Pi 3 Model B. I downloaded NOOBS and could only see, even with wired connection to the ...
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2answers
5k views

Is there a specific download for 64 bit Raspbian?

Is there a specific download for 64 bit Raspbian? Since Raspberry Pi 3 is 64 bit, but there is only one download for Raspbian available, is there a 64 bit version? Or, am I just confused and they ...
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1answer
24 views

Raspbian Buster - Open chromium without showing desktop

I am trying to open and view a website in chromium on the startup of the Pi. Currently, I have it in the /.config/lxsession/LXDE-pi/autostart file to open chromium when the system starts, but this ...
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2answers
410 views

Raspberry Pi 3 B+ won't connect to WiFi

I got new internet so I tried to connect my Pi to the new internet by modifying /etc/wpa_supplicant/wpa_supplicant.conf and now it looks like this: ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=...
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0answers
27 views

How can I turn off auto response? [closed]

I want to send a string to the raspberry but when I do that I get a response that the command does not exist so I cannot receive the string in my program. Is there a way to turn off this response ...
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1answer
86 views

Raspbian and .net core

I have a problem. I have newest raspbian, and I have installed .net core 2.1 on it, well everything looks fine until i reboot pi. After reboot .net core command stops to work and i have to add ...
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1answer
132 views

How can I create a bridge to eth0 with the following network configuration?

I followed this tutorial so I have a network with two wireless interfaces, wlan0 working as a access point and wlan1 working as a client from another router. How can I bridge wlan1 to eth0 without ...
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1answer
393 views

Cannot update my raspberry pi

I try an update on my new raspberry pi 3. I did sudo apt-get update and I've got "0% mirrordirector.raspbian.org" Internet is ok but when I ping mirrordirector I've got 13 packets transmitted but 0 ...
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1answer
190 views

Raspberry Pi 4 no wifi after update && upgrade

I am new to Raspberry Pi and Linux. I followed all the setup guides and have a 4" touchscreen with a case. I downloaded MPI4008-4.0inch-2019-07-10-raspbian-buster.img and flashed it to SD. I had to ...
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2answers
264 views

Error installing lirc on raspberry pi 3

I would like to install lirc on my raspberry pi 3B+. Unfortunately there is an error message when installing with apt-get. I just reinstalled raspbian using Noobs to avoid any problems due to changed ...
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1answer
8 views

cups or cups-client when using a network postscript printer?

I am using raspbian, and there is no printer configuration in the Preferences section of the OS. All I want is to print to a postscript printer that is on my network. When reading up on it, some ...
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1answer
279 views

reverse-geocoder on Raspberry Pi

In a project I am currently working on, I use Python to display my current location, speed, etc. I now wanted to implement the reverse_geocoder library (https://github.com/thampiman/reverse-geocoder) ...
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2answers
2k views

Raspberry Streaming using VLC picamera python

I am trying to stream Raspberry Pi camera video using VLC. The code is as follows: import subprocess import picamera camera = picamera.PiCamera() camera.resolution = (640,480) cmdline = ['cvlc','-vvv'...
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1answer
186 views

Compiling errors when compiling “MATRIX Hardware Abstraction Layer (HAL)”

git clone https://github.com/matrix-io/matrix-creator-hal.git cd matrix-creator-hal mkdir build cd build cmake ../ when i cmake, i get this error -- The C compiler identification is GNU 4.9.2 -- ...
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1answer
31 views

Command to see serial port properties

I am looking for RP command to display the serial port properties, in windows this is done using mode command as per this link. https://stackoverflow.com/questions/20690073/serial-com-port-timeout-...
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1answer
221 views

GTK Warnings and libGL errors when using x11-Forwarding on SSH

I'm having issues when working on my RaspberryPi via SSH on MobaXterm that I can't resolve by myself. Appearantly there are some driver issues when using SSH and running programs that require the ...
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1answer
314 views

Raspbian - SQLite, Nextcloud - file locked

I have a Rpi 3b+ on raspbian setup on sqlite and nextcloud. I run the below command: sudo -u www-data php /var/www/html/nextcloud/occ files:scan --all get the below output: Starting scan for user ...
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2answers
61 views

How can I make sure that my OS works without any screen?

So I downloaded the OS on the SD card and I want to make sure that the system works? I just started my raspberry adventure, and I'm completely new to this. I also tried to connect my Raspberry by ...
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0answers
45 views

Forgotten location of linux startup instruction

I have an instrument control program running which presents a webpage for user input. It's on a little raspberry pi running raspbian. I have, alas, and stupidly, forgotten which of the many available ...
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0answers
25 views

File manager broke can't reinstall [closed]

My file manager pops open for a second then disappears, I've followed solution to reinstall but I get the following error, please can someone with knowledge on this shed some light? thanks kindly
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0answers
22 views

libEGL warning: DRI2: failed to authenticate

I'm developing an application using qt5.11 on Raspberry Pi 3. My code works on my laptop with ubuntu 18.xx. When I put my code on the RPi, I can compile it with the Makefile (make -j2) but when I want ...
6
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2answers
410 views

Why does it take longer to boot Raspbian Lite for the first time?

I did not measure it, but I think it takes about twice as long to boot a fresh Raspbian Lite image than an image that has already been booted. I don't know why that's the case. I'm curious what ...
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2answers
1k views

Raspberry : How install a usb to vga adapter?

I have the raspberry pi 3 Model B V1.2 and I connect my hdmi monitor on it. So now I buy a usb to vga adapter (USB2VGAE2 from Startech) and connect another monitor by this adapter. How can I install ...
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1answer
52 views

Why is there an ssl problem after installing python 3.8.1

Hello i'm using a Raspberry pi running Raspian Jessie. I've tried updating the python version to 3.8.1 and it seems I'm having troubles running pip with it. After i enter this line in terminal ...
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2answers
1k views

Raspberry Pi 4 - screen rotation

I just got my new Raspberry Pi 4 and I'm trying to rotate the screen. Usually on previous Raspberry versions I did that simply by putting display_rotate=1 to config.txt, but when doing this on ...
2
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1answer
19 views

Raspberry Pi Pi cam module

I am new to raspberry pi and I am planning to buy a Pi cam with night vision. My question is does the slot in raspi board for the pi cam is all the same for all the version of raspberry pi?
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2answers
931 views

Cannot Get PiPlay (formerly piMAME) to work

Alright so I have a RPi B+ model that I have installed rasbian and then piPlay on. The issue is, when I put .zip rom files into the roms folder for mame4all, non of the games will work. Also, I dont ...
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1answer
228 views

Pi Zero not booting without USB

It seems as though my pi zero does not boot or send image through HDMI until I attach the USB hub. Why is this and can this be fixed?
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1answer
201 views

Pi asks for login when remotely accessing it

I've been using a Raspberry Pi for 1 year maybe more. I installed Raspbian on it and I use it as a media center among other things. Recently I accessed it via SSH and ran: sudo apt-get update sudo ...
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2answers
55 views

Really weird wifi connection issues

I have a Pi 4 that I just got a month ago. It was hooked up correctly to wifi previously, but when I booted it up yesterday I can no longer make a connection. I'm running raspbian. In the upper right,...
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0answers
40 views

How to receive serial data with c# on a raspberry with mono [duplicate]

Hello I want to make a program for the computer and the raspberry, this program must ensure that the raspberry and the computer can communicate via serial. I have already found a code that does this, ...
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2answers
512 views

How to hibernate/suspend rapberry pi?

I have a RPi connected to TV via it's USB port to display statistics graphs. Every morning I have to power it up and set up the chrome tabs which consumes lots of time. I was looking for a way to ...
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1answer
20 views

Can the sleep() function take floating point values?

If I try to have my code sleep for an arbitrary non-integer value it appears that the sleep() function rounds to the nearest integer. For example: GPIO.output(LED, GPIO.HIGH) sleep(0.3) GPIO.output(...
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1answer
67 views

Where to put Pi-user's startup scripts (Raspbian, X11)?

Running Raspbian desktop. [ I'm afraid I had not much experience using Linux in general, and none with systemd ] : where, praytell, should I put a startup shell script to run once upon my user ("Pi" ...
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0answers
278 views

Raspberry Pi 4 as a Wifi Hotspot with RaspAp + VPN + Pi Hole

I'm sure it has been discussed before, but I can't find the right answer after spending hours with googleing. I'm new to this device, I just got my new RP 4 and here's what I'd like to use it for: - ...
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3answers
628 views

Raspbian using outdated openssh

I have been setting up a simple server, and was worried about some security risks. I found that the Pi is running openssh 6.7, when the most up to date version is 7.5. Tenable Nessus says this leads ...
2
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2answers
52 views

Is there a conflict between raspbian/raspberrypi versions and python versions?

Can some version of python not run on some version of Raspbian? Is there some thing in the architecture of some version of Raspberry Pi that could make them incompatible with some versions of python?
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1answer
18 views

What repository for Raspberry Pi 3B+ stretch? (repository is empty)

Just tried this on my RPi3B+: pi@pi-boxcalmeas-01:~ $ sudo apt install samba samba-common-bin smbclient cifs-utils Reading package lists... Done Building dependency tree Reading state information... ...