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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Do I need a firewall on a small device with only one port open

I plan to build a Raspberry Pi serving only one purpose. There is only one port open Everyone should be able to connect to this port The application listening on this port does not have root ...
Seven's user avatar
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sshd: Connection reset by IP [preauth]

Initial Post here (closed as not relevant to ServerFault) I have a raspberry pi with only Key based authentication enabled. When I try to ssh to it using the local IP, it works. But when I try to ...
Kunal's user avatar
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Raspberry pi refuse to update

I installed my Raspberry Pi with the Raspberry OS 32-bit. I have a internet Connection but i dont get the correct time and more important i dont can make updates. I tried it with sudo apt-get update ...
Coolar's user avatar
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PUTTY -m ,but waiting for terminal to iddle

from an ubuntu VM I try to putty to a reaspberry by through uart pins and an FTDI dongle I want to automate the upload of a text file I use : sudo putty -serial /dev/ttyUSB0 -sercfg 115200,8,n,1,N -m ...
Phil's user avatar
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Raspberry Pi 4B ISC DHCP Server

I have been running the ISC DHCP server on my Raspberry Pi 4B latest Buster build with a static IP which acts as the gateway, DHCP, DNS and IDS/IPS server on my home network. Following the online ...
JAckBlack854's user avatar
4 votes
1 answer
6k views

How to set up a RPi to act as a USB slave device?

I want to connect my Pi (or any other inexpensive device, really) to my TV via USB. This connection should have the TV as a master and the Pi as a slave. Network is not an option, as the TV supports ...
Werdck's user avatar
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Windows Server 2016 - Is it possible to switch between the Desktop Experience and Non-Desktop Experience?

I installed Windows 2016 Server with the Desktop Experience. Is there a way to switch between the Desktop Experience and Non-Desktop Experience on-demand? My thought is to setup everything I want with ...
Rod's user avatar
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My raspberry pi web server cant be accessed from outside my Network

I set up a raspberry pi 4 web server in my home network. I got apache and php running on it and the website can be accessed from within the network but always fails when outside of my network. I can ...
Sokker's user avatar
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Input/output error on new USB hard drive

I got a brand new Toshiba USB hard drive. Attempting to format it on my Raspberry Pi 3 errored and returned an input/output error, so I used a tool on Windows to set it to ext4. Now that I've ...
Danny's user avatar
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Raspberry Pi network topology for DNS, IDS & IPS

I have a Raspberry Pi on which I operate DNS, IDS/IPS servers. The way it is connected in the network and configured is as follows: Internet -> Router -> Pi (eth0) Pi is further configured as ...
JAckBlack854's user avatar
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Pi 3 not connecting to Asus AC2900 Router with TP-Link Switch

I've tried replacing the cable and switching ports on the switch but the Raspberry Pi 3 still won't show as a client in my Asus router dashboard. I was able to directly connect the Pi to the router ...
Daniel Harris's user avatar
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Raspberry Pi, RealVNC, how to change mouse cursor from an x to an arrow

The Raspberry Pi is running Raspbian Buster and VNC Server 6.7.1. The Pi is headless. I connect to the Pi from a Windows 10 machine via VNC Viewer 6.20.529 (r42646) x64 (May 29 2020 13:14:30). All is ...
David Habermehl's user avatar
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338 views

ARP requests not reaching user space on raspberry pi

I have a couple Raspberry Pi 3B/3B+ that I'm running k3s on. The Pis are connected using WiFi only. I'm trying to use MetalLB to get load balancing, but I have problems getting it to work. MetalLB ...
Epcylon's user avatar
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how do i fix sudo: unable to resolve host raspberrypi4: Name or service not known

i have been running into this problem that makes me unable to use sudo for the past while on my raspberry pi 4 but when i look in the /etc/hosts folder i see this 192.168.0.22 localhost ::1 ...
Zax71's user avatar
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Network profile not showing up when connecting to a Link local. E.g. USB Ethernet gadget

When I make my Raspberry Pi Zero W an ethernet gadget and connect it to the computer. It shows up as an unidentified network. This causes there to be no network profile on the RNDIS/Ethernet adapter ...
Ender Wiggin's user avatar
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Problems installing OpenMediaVault on Raspberry Pi

BTW, I am trying to install OpenMediaVault on a Raspberry Pi 1, however, whenever I try and install OpenMediaVault on a Raspberry Pi 1, I get problems with the monit package, the FastCGI Process ...
William Wilkerson's user avatar
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How do I copy files from my RPi to my current computer

I want to transfer all of my files from my RPi, which I have gotten into via ssh, and I want to copy all the files from the computer to my current one because I am planning to put Arch GNU onto my RPi....
RingGamesCompany's user avatar
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Raspberry Pi running remote SSH command to display GUI image

I have a ubuntu machine that has a shell script on it. When I SSH into this machine from my Windows box, I can run "export DISPLAY=:0" and then run the script "/home/enter.sh" and the image displays ...
Drew Jackson's user avatar
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Redirect all http traffic to static address in OpenWrt on Raspberry

I have an ISP router with IP 192.168.1.254. I installed OpenWrt on my Raspberry PI 3 B. Raspberry is connected to the ISP router via ethernet On the Raspberry I configured 2 networks: wan wifi ...
firegloves's user avatar
1 vote
1 answer
515 views

SFTP from another network?

I've been using SFTP to access and modify the contents of a Raspbery Pi web server. I'll be moving it off my internet connection and onto someone else's, and I was wondering if there is still a way I ...
bougiemane's user avatar
1 vote
1 answer
163 views

Openvpn when connected, local IP of Pi not reachable

I have a Raspberry Pi 3b running the latest Raspian image. Openvpn is configured to start at bootup as a service and connect to a vpn for a nfs share. When the Pi is connected through the vpn, I can ...
Jens Vde's user avatar
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Using port forwarding to create a Minecraft Server on my raspberry pi

I want to preface by saying I am not really a coder, and have only made it this far through a lot of googling and tutorials. Please be kind when answering and try to explain in layman's terms. Thank ...
Diana Summers's user avatar
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522 views

Remote access raspberry Pi without Port forwarding

I have raspberry pi which is connected to internet using android hotspot, I want to access the pi over the internet, I cannot forward ports on my android device and i do not want to use third party ...
sam joel's user avatar
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1 answer
195 views

FTP <ipadress>:<port number> in Raspberry Pi Error

Objective: Send files from Raspberry Pi terminal to Android FTP server. Mac, Raspberry Pi and Android all are in the same network. I have installed 'WiFi FTP Server' on my android phone with server ...
Sayan Sen's user avatar
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Saving video to SD card while live streaming to YouTube using FFmpeg

I'm trying to set up a Raspberry Pi so that it live streams video to YouTube using the Raspberry Pi camera and also saves the video to the SD Card for backup, in case the internet gets disconnected. I ...
Zohair Ul Hasan's user avatar
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3 answers
412 views

Apache Config Issue/Conflict(?)

Raspian 10 (Buster) Apache 2.4.38 lighttpd 1.4.53 I previously installed lighttpd and it was/is running w/out issue. Today I installed apache so I can run ownCloud. I went through the installation ...
rodph's user avatar
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1 answer
884 views

Can a single Raspberry Pi serve as both a pi-hole and media server?

I need to add three functions to my home network: pi-hole media server (for music and video content) NAS (for shared storage) Can a single Raspberry Pi play all those roles?
Jonesome Reinstate Monica's user avatar
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1 answer
199 views

Raspbian Buster won't connect to network unless the console is displayed

We get to the point where I really don't know what to fix now. Basically, I have a Raspberry Pi running Raspbian Buster, and I don't know why but connecting to the network, make it wifi or wired, ...
MaxouMask's user avatar
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1 vote
1 answer
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Pulling an Docker Image within a chroot environment

I am trying to create my own, custom Raspberry Pi image using Pi-Gen https://github.com/RPi-Distro/pi-gen Basically I was able to fulfill most of my requirements, but I got a problem while trying to ...
C. Hediger's user avatar
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1 answer
55 views

New to Linux, can anyone explain these (probably simple) instructions to me?

As explained here: Build using SPIDEV Make sure that spi device support is enabled and /dev/spidev(a).(b) is present Install RF24, using SPIDEV ./configure --driver=SPIDEV make; sudo make ...
JFirmware's user avatar
1 vote
0 answers
2k views

SSH into Raspberry Pi on IPv6 network

First of all: I am a network noob, so excuse the noobness of my question. I want to SSH from my Mac into my Raspberry Pi within my local network. I have an IPv6 network and cannot change to IPv4 ...
matveyfridman's user avatar
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1 answer
314 views

LAMP on Raspberry Pi to host a web server

First question ever on the site. Forgive me in advance for my very limited knowledge on the subject, I am fairly new on hosting web servers, databases, and just Raspberry Pis in general. I want to ...
slurpeehead's user avatar
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0 answers
52 views

Can I have a local network and a VPN connection simultaneously on my Raspberry PI?

I have a Raspberry PI 4 4GB and want to have a LAN-connection and a VPN-connection simultaneously active (because I want to access the same website with different IPs, in order to avoid getting banned ...
jay's user avatar
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3 votes
1 answer
2k views

Is SD card definitely defect if badblocks reports bad blocks?

After my Raspberry PI had sporadic boot problems, I gave the MicroSD card a (data-destructive) stress test. If badblocks reports bad blocks on the card, is it definitely bad? In the sense that a ...
Xpector's user avatar
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1 vote
0 answers
520 views

Fragmented MP4 freezes on ffplay after some time

I won't take much time from you... I am streaming a fragmented mp4 from ffmpeg with this command-line ffmpeg \ -f video4linux2 \ -video_size 640x480 \ -framerate 60 \ -i /dev/video0 \ -c:v ...
Domingo Garcia's user avatar
1 vote
1 answer
654 views

Input lag sshing to raspberry pi 3b while its running docker

On my raspberry 3B, ssh from another pc to it works fine until i start a docker image. Currently i have containers of portrain, pihole, and nextcloud on the Pi, but the issue arises whichever ...
user1937237's user avatar
0 votes
1 answer
271 views

iptables guest network isolation not working

I have a raspberry pi setup as a router to serve a guest network. Setup as follows: Pi interface eth0 connected to local home network (192.168.10.0/24) through this network the Pi can connect to ...
Alkahna's user avatar
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1 answer
107 views

pulseaudio uses a dummy source when sarting a python script from init.d RPI4

I'm using pulse audio to create a Bluetooth A2DP sink, which works fine until I try to launch a python program from boot. I put this program into the init.d directory: #! /bin/sh # /etc/init.d/...
Ethan Armstrong's user avatar
3 votes
2 answers
4k views

gpg-preset-passphrase: caching passphrase failed: Not supported

I am building a script that is using msmtp to send myself regular system reports by email. I have used gpg to encrypt my email password and used password-eval in msmtp.conf. I sent a test email ...
iLW's user avatar
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3 votes
1 answer
7k views

Cannot find gpg.conf and gpg-agent.conf using gpg 2.2.12 on Raspbian Buster

I am using gpg to encrypt my email password that I pass on to msmtp in order to send email. I initially ran gpg --full-gen-key to generate a pair of keys. During the process, it asked me for a ...
iLW's user avatar
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0 votes
1 answer
659 views

NFS share shows folder name but no content

I created an NFS share on my Raspberry PI (running raspbian based on debian buster). I am trying to connect to it using VLC (android tv & android 6) but when I connect to it I only see a folder ...
Max's user avatar
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0 votes
2 answers
1k views

ffmpeg does not stram audio from rtsp to youtube

I use my Raspberry 3 to stream my rtsp camera to youtube. But I don't have audio in the youtube stream... ffmpeg -thread_queue_size 512 -re -f lavfi -i anullsrc -rtsp_transport udp \ -...
zarg404's user avatar
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0 answers
2k views

unable to start isc-dhcp-server

I am unable to start isc-dhcp-server. When I run the command to start the dhcp-server. I get the bellow error pi@raspberrypi:/etc/dhcp $ sudo service isc-dhcp-server start Job for isc-dhcp-server....
thesillywhat's user avatar
3 votes
1 answer
3k views

QEMU emulating a Raspberry Pi doesn't have Internet capability?

I'm attempting to emulate a Raspberry Pi with a QEMU ARM emulator on my macOS Catalina 10.15.1 machine. Mostly following this guide, I've been using the latest Raspbian Lite (4.19 Buster) with the ...
Eli's user avatar
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0 votes
1 answer
498 views

Server Host or Raspberry Pi for Quick Books

Two questions, interrelated. Does anyone know if Quick Books can be run on a raspberry pi 4? For a machine that's only used for quick books in the house, I figured this would be a cheap alternative ...
sassriverrat's user avatar
0 votes
1 answer
1k views

Raspberry Pi how to stop running apps with keyboard

I have an app running at startup with a Raspberry pi that takes up display. I set /etc/dhcpcd.conf to use static IP, but it doesn't work, it keeps on changing. So, now I cannot SSH into it, and I ...
Mich's user avatar
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0 answers
131 views

Slow write performance of MariaDb with data directory outside root partition

My application suffers from slow write actions into a MariaDB when the data directory of the server is on a different disk partition then the root partition. I use a Raspberry Pi 3 with Raspbian ...
elnacho's user avatar
0 votes
0 answers
116 views

Screen is black for 15 seconds at boot before browser starts. Raspberry Pi

I am using chromium in kiosk mode. Touch screen without mouse and keyboard. The browser is started in /boot/xinitrc seen below. At boot I can see on the screen the different processes being started, ...
user2304458's user avatar
2 votes
2 answers
16k views

Cannot get systemd to restart a service if it crashes

I searched online and posted here to understand how to use systemd to auto start a c++ application, now I want it to automatically restart that application if it crashes. I know the correct course of ...
Mi Po's user avatar
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1 answer
2k views

How to configure an SSH jump server?

Using a Linux system, I want to download a file from a Windows server. However, I want to use a Raspberry Pi in between to act as a Jump Server. Linux client (A)------> Pi-jump server(B)---------->...
Natiya's user avatar
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