Questions tagged [raspberry-pi]
Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
1,708
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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 ...
2
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0
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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 ...
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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
...
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1
answer
127
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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 ...
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1
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1k
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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 ...
4
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1
answer
6k
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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 ...
1
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1
answer
298
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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 ...
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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 ...
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1k
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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 ...
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1
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333
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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 ...
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0
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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 ...
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2k
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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 ...
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0
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338
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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 ...
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1
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6k
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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 ...
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1
answer
666
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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 ...
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449
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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 ...
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2
answers
125
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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....
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1
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8k
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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 ...
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0
answers
205
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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
...
1
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1
answer
515
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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 ...
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1
answer
163
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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 ...
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1
answer
4k
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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 ...
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522
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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 ...
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1
answer
195
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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 ...
0
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1
answer
423
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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 ...
0
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3
answers
412
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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 ...
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1
answer
884
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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?
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1
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199
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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, ...
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1
answer
1k
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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 ...
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1
answer
55
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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 ...
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0
answers
2k
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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 ...
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1
answer
314
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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 ...
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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 ...
3
votes
1
answer
2k
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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 ...
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0
answers
520
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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 ...
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 ...
0
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1
answer
271
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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 ...
0
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1
answer
107
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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/...
3
votes
2
answers
4k
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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 ...
3
votes
1
answer
7k
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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 ...
0
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1
answer
659
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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 ...
0
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2
answers
1k
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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 \
-...
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0
answers
2k
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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....
3
votes
1
answer
3k
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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 ...
0
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1
answer
498
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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 ...
0
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1
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1k
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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 ...
0
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0
answers
131
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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 ...
0
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0
answers
116
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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, ...
2
votes
2
answers
16k
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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 ...
0
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1
answer
2k
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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)---------->...