Questions tagged [raspberry-pi]

Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/

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Docker containers exits with exit code 225

I am running 15 Docker containers on my Raspberry Pi of Squid in Arch Linux and somtimes when I restart my computer they fail with exit code 225. Restarting the Docker service with the command below ...
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how can I configure a tunnel in Raspbian/Linux?

I'd like to send some commands from Windows PC to Windows PC using a Raspberry Pi as a tunnel, so I send the command to the Raspberry and the Raspberry forwards it to the destination Windows PC. I've ...
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Xbox 360 controller not listed as HID device on a Raspberry pi [migrated]

I'm trying to use an Xbox360 wired controller to jog a CNC machine driven by a Raspberry Pi 4. I'm trying to use a node.js module called xbox-controller that interfaces to the Xbox360 controller via ...
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why does “iw wlan0 scan” results in errors “Network is down (-100)” or “device or resource busy (-16)”

Why is "iw wlan0 scan" unstable? Sometimes it provides an output and majority of the time returns nothing and provides the "resource busy" or "network is down" error message. I have this scan written ...
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dpkg - Configuring systemd results in name regex error

One day, upon attempting to upgrade the packages on my seldom updated Raspberry Pi Zero W, systemd fails to be configured correctly due to what seems to be a bad name to addgroup. Setting up systemd (...
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What are the pros and cons of different methods to auto update Raspberry Pi? [closed]

I searched for how to auto update Raspberry Pi and found three approaches that all sound reasonable, but I didn't find anything on the pros/cons of each. // unattended-upgrades apt-get install ...
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14 views

Running PM2 in Read-Only mode

I currently have a Raspberry Pi 3B running a production CNC machine, using cncJS and it's great, however, to prevent data curruption due to unexpected shutdowns, which might happen a lot, I decided to ...
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28 views

Accessing an external hard drive via WebDAV

im new in Linux / Server Administration. I want to access an external hard drive (USB-Stick) through a WebDav client. I'm using a Raspberry Pi in my local network. Is it possible to redirect from [ip]/...
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How can I get feh image viewer to view Windows PC networked files?

I have a raspberry pi and use the feh image viewer https://feh.finalrewind.org/ This works great when my photos are on USB. I would now like to access my photos via LAN instead from a Windows PC. I ...
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53 views

How to copy a file system to a smaller device

As I used it to copy a 32 GB SD card (13 GiB used) to a 16 GB SD card, i share with you the process bellow (it was for a raspberry pi) : I have lost some times with /dev/loop0...
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43 views

IPtables not blocking wifi traffic on Raspberry Pi Access Point

I have an rPi running as a wireless AP for my IoT devices. I'd like to set up a firewall rule to prevent suspicious traffic (why would the camera need access to SSH?). The rPi is connected to my ...
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Multiple hostnames on the same Raspberry PI

I haven't been able to find any definitive solution to this. I'm combining several of my machines onto a single one, but would like to use aliases for the hostnames, on my local network. The Pi has ...
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ffmpeg on raspberry to stream to chromecast

I am looking for some help to stream security camera (incl audio) to a google smart display (Lenovo smart display, which has a chromecast included). I am able to view, with VLC, the security camera, ...
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How do I create a batch file that copys and deletes files off a pi into a pc?

I have a script on a Pi3 that creates files in: home/pi/data/*csv I am trying to write a bash script that uses PuTTY to copy and erase those files into a folder on my computer. This is what I have ...
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Where can I see the IPv6 addresses that wide-dhcpv6-server assigns to clients on the network?

I've set up a Raspberry Pi 3B to act as a IpV6 router using wide-dhcpv6-server. I'm connecting my pi via Ethernet to a level 2 switch. I then connect other devices to this switch via Ethernet. From ...
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19 views

PuTTY Network Error: Connection timed out

.Hey, so I used PuTTY to connect to my Raspberry Pi for over a year now and everything works fine. However, I now tried to connect to it at my workplace (the pi is still at home) and I suddenly can't ...
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Raspberry Pi running OpenVPN (client) behind Router running OpenVPN (server) can't access any ports

When I'm connected over Wi-Fi, my Raspberry Pi is fine and dandy I can connect to it over ssh, web server is working correctly, i.e. I can access 192.168.0.2:80 and it works. (This is without any VPNs)...
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Port forwarding two routers for two raspberry in local network with switch

I have two raspberry pi 4 connected each to router with DHCP. Both routers connected each other through switch. And router 1 gives IP to router 2 (lan connected through WAN and receive IP). I ...
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26 views

Security of Cryptsetup partition on Raspberry PI

I cannot open one of my LUKS partitions on Raspberry PI due to the memory restriction. I already found out that the suggestion in this case is to recreate the partition on the slowest device, which ...
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39 views

Linux USB video capture issues

I purchased the Hauppauge USB-Live 2 capture device because several recent Amazon reviews suggest it should work with modern Linux kernels. When I plug it into my Raspberry Pi 4 running the latest ...
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Cannot format SD Card [duplicate]

I wanted to format my micro sd card so I could use it with my Raspbian pi zero. When I tried to format it with cmd using chkdsk, it said the format of the sd card is raw. diskpart could not format the ...
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23 views

How to disable mouse in Kodi 18.5?

I need to disable the mouse in Kodi as I use the mouse buttons for another task (in a CLI background process). I disabled Settings | System | Input | Enable mouse and touch screen support. The mouse ...
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Netatalk Login problems on RaspberryPI with a disk HFS+

I have just setup a RaspberryPI with the idea to use it as TimeMachine. I installed Netatalk and attached a usb disk which has been formatted with HFS+. When I try to login from my Mac I get this ...
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27 views

Writing a systemd script that starts 2 applications in linux

OS: Raspbian I'm failing to execute 2 applications at once with rc.local I need to find a simple example for how to start an app with systemd The problem is Im only finding specific examples for ...
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Is it possible to run my Raspberry Pi in a low level mode? [migrated]

I bought a Raspberry Pi 4 Model B/4G B. I want to use it 24/7 day and night to run a program over the internet. This program doesn't ask for much resources to run. When I plugged it in the socket, the ...
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48 views

Raspberry Pi 3 Model B DarkIce ALSA Compatibility

I have a project I'm developing on a Raspberry Pi 3 Model B. The objective is to create a live audio stream from the raspberry to an external Icecast2 server. I got the Icecast2 server running ...
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28 views

Remmina connected to Raspbian, will the session be kept even I disconnected

I just got my Ubuntu connected to my Raspberry Pi 4 (Raspbian) Once connected, from the Remmina I saw a new Raspbian desktop which cannot be seen on Pi screen itself. My question is, if I ...
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32 views

Wifi card is not changing into wlan0mon from wlan0

I'm running Kali linux on a raspberry pi3, and I use the alfa awuso36ach network adapter. All the drivers are installed and I can connect to the internet with it. My problem is, that whenever I try to ...
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25 views

no mouse at /dev/input/mouse0 after upgrade to Debian Buster

After upgrading my headless Raspberry Pi 2B to Raspbian/Debian Buster (and reboots), the USB mouse stopped writing to /dev/input/mouse0; the follwoing command remains silent when I move the mouse or ...
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22 views

Identify client connected to OpenVPN server

Current Setup I am using a Raspberry Pi running some home automation stuff behind my router. On the Raspberry Pi there is OpenVPN, which we use to connect from outside our LAN e.g. with a mobile ...
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48 views

Determining subnet with DHCP but setting static IP for ending

We have a project that uses a raspberry pi as part of a larger device we install on various clients properties, it gets wired up via ethernet, but due to various reasons we need to have the port ...
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63 views

how to boot from selected partition in Raspberry PI 3?

I dont have extensive knowledge about bootloaders. I have some problem about updating the image in a SD card. I have a raspberry PI and i would like to make two partitions in the SD card, so that one ...
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25 views

Stream Camera input over 5G Wifi to multicast address using FFMpeg

I am trying to stream my Intel RealSense D435 RGB camera input to a multicast address on my network. Please note, video streaming, encoding, is very new to me - I do not understand much, when ...
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60 views

Stream Intel RealSense camera feed to networking using Raspberry Pi 4 with FFMpeg

Good day all So I have trying to stream my Intel Realsense D435 camera to my local network. After reading up on many different sites, tutorials, etc I figured out the following: What can I do with ...
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Raspberry PI qemu emulator cursor glitch

I'm running an Ubuntu 18.04.3 LTS on Windows VirtualBox. On the VM, I have followed https://azeria-labs.com/emulate-raspberry-pi-with-qemu/ this guide to get raspberry pi emulator working. I'm using ...
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1answer
47 views

Connecting NAS to raspberry Pi via proxy-arp

This might be a stupid question, but I just wanted to make sure I don't invest time into something that doesn't solve my problem eventually: My home network contains a router/WiFi access point, a NAS ...
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23 views

SSH and services are only listening on Wi-Fi interface when Ethernet cable is unplugged

I am working with a Raspberry Pi running Raspbian Buster Lite. The RPi is connected via eth0 to a hardwired Ethernet network (LAN1) and via the wlan0 interface to a Wi-Fi network (LAN2). When the ...
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105 views

What makes my app slow?

I have app installed on my RaspberryPi4. My app have utility to search something from database. It works slow :( I had this app on another computer and everything worked great. Why this app is ...
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psplash for systemd on linux

I am creating an image using yocto for raspberry pi-cm3. I recently moved the system from sysvinit to systemd and after that switch the splash screen stopped working. I was using psplash to generate a ...
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SFTP hangs after correct authentication, SSH works

I got a raspberry pi 4, I enabled SSH, and I want to connect to it via SFTP from windows (also tried from android phone and same issue). In the gif the top window is connected using SSH and i run a ...
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Start hostapd service via python script with choice and authentication

I tried to start the hostapd service automatically via a python script, but I don't want to have to select choice 1 and after that to give my password. I want it to be done automatically. Screenshot ...
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22 views

Migration from MariaDB database 10.4 to 10.3

I have a problem with the migration from my database with users from my old Ubuntu server with MariaDB 10.4.11 to my Rasberry pi running on MariaDB 10.3.7. I can't upgrade the MariaDB version on my pi ...
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60 views

Switching between 2 streams after a set amount of time in ffmpeg

I am tinkering with my two Raspberry Pis and would like to do the following: Both Pis record via a camera and stream it via cvlc to the network. Then one of them uses both streams to make a single ...
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60 views

Kodi on raspberry pi 4 sound startup settings

This is a bit of a long story.. I´m using the service librespot on Libreelec, a kodi version, that adds a Spotify listener to Kodi. It works as it should, except for one small detail: When using ...
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SD card formatting problems

I'm setting up a Raspberry Pi 4 to run LAKKA (a retro gaming emulation system). I started by copying the image to a 64GB SD card using balenaEtcher, according to some instructions that I found online. ...
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52 views

Ethernet II frames have broadcast MAC as destination (when connected to Raspberry PI access point running Hostapd)

I am having some strange (and oddly inconsistent) issues setting up a Raspberry Pi 3 AP, using a USB WiFi radio & directional antenna for an upstream connection to my residential internet wifi ...
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30 views

USB modem loses connection every 24 hours

I have 3 Raspberries running each with its own USB hub and 4 USB modems, 2 of these run just fine but I am having issues with the third one. For some reason, the modems lose connection after around ...
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1answer
68 views

GTest compile error during in ROS catkin_ws

I'm trying to compile a catkin workspace but I keep getting this error message (or messages). Posting here as well as ROS Answers because it looks like the error is contained within gtest as opposed ...
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1answer
50 views

Raspberri Pi 4: run an application at startup not working properly in interactive mode

I wanted to run a script when my RPi 4 boots. my application requires ~./bashrc to run beforehand, then as far as I know, I should call terminal in "interactive" mode. when I run below command in a ...
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73 views

Configure SSH in Raspberry Pi using PuTTY (Server refused our key)

I am trying to set up the SSH configs on my Raspberry Pi at home so that I can login to it from wherever I want using PuTTY on Windows. I am a beginner and I barely understand what I am doing right ...

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