Questions tagged [raspberry-pi]
Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
1,709
questions
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Cannot reconnect to x11vnc
I have a Raspberry Pi 4 with Raspberry OS 64 bit and have installed x11vnc on it for remote access. I am using Remmina on the client side on my laptop running Debian 11. To make sure x11vnc is running ...
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0
answers
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Cryptic Lettering on Ubuntu Raspberry Pi 4
On the online accounts page
and the ubuntu guide
in settings there is cryptic rendering of text.
The webpages still work and I can click on things but I can't see it. The cursor also changes when ...
0
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0
answers
431
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Raspberry PI as online radio client with Mplayer
Long story short I have created online radio for my client and now I need to create client nodes for the radio. I decided to use Raspberry pi, because its perfect for the job. I installed raspberrian ...
0
votes
1
answer
251
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Fail2Ban with disabled password authentication
I am tinkering with my RPI4 and I got into Fail2ban currently. I disabled Password authentication on my SSH server and imported keys for Public key auth. For some reason I am still getting occasional ...
0
votes
1
answer
487
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How to change from a wireless connection to an ethernet connection debian
I have a raspberry connected to the internet via wifi. But I want to change it, selecting an ethernet connection. How can I do it? I have found some commands on internet but it doesn't work.
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1
answer
617
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How could I run this process (v4l2rtspserver) in the background?
I am trying to run on Debian system (Dietpi on Raspberry Pi):
v4l2rtspserver -H 1080 -W 1920 -F 30 -P 8555 /dev/video0
But it keeps running in the command console despite adding & disown
I have ...
1
vote
0
answers
1k
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How to trim a stream from an rtsp camera with ffmpeg?
I need to crop the image of a stream coming from a camera on a Raspberry pi.
The camera is placed in a door peephole and I need to crop and enlarge the area of interest to see it full screen.
I have ...
1
vote
1
answer
720
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Synchronize recording of three cameras with ffmpeg
I am trying to make the video that is recorded from three usb webcams be synchronized, I am using this command, but I still have differences by milliseconds or seconds. Any idea how to achieve it?
...
2
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1
answer
2k
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firewalld: forward traffic as a wireguard VPN gateway
I have setup a pi running Pi OS 11 as a VPN gateway for my local network using Wireguard & Nftables, that all works fine.
However, I wish to switch over to firewalld to be compatible with docker ...
1
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0
answers
813
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changing device and vendor id of Digispark Digikey
i saw a tutorial on null-byte on how to change the vendor id of a Digikey so that it could be programmed on macOS.
I'm on mac so I'm using my raspberry pi to program the usb. the tutorial said to go ...
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0
answers
130
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Can I disable Bonding on a Raspberry Pi?
Just to get things straight.
Pairing is the exchange of temporary encryption keys, which establishes an encrypted connection.
Bonding occurs after pairing, and is the exchange of long term encryption ...
0
votes
1
answer
864
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How can one open port 51820 to the internet behind a a CGNAT
I have a raspberry pi 400 running pi-hole which is working perfectly, I want to access my home network for the internet by using PiVPN running on the same raspberry pi but I am behind a CGNAT with a ...
0
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2
answers
714
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Share screen window to raspberry pi via LAN
I use a raspberry pi connected to a projector in another room over LAN. I usually just connect to it using VNC viewer and use it remotely / or run KODI. But I have come across a problem, sometimes I ...
0
votes
2
answers
758
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Control raspberry via VNC from ouside LAN: how is this feasible without port forwarding?
So, if I want to access my (Raspberry Pi) desktop remotely but from within my LAN, that works just fine via VNC (VNC server integrated into the Raspberry OS, VNC Viewer installed on controlling device)...
1
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0
answers
181
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switch pro controllers bluetooth raspberry pi steam link not working
I have the following setup:
3 switch pro controllers paired with blueman bluetooth
Raspberry Pi 4 Model B Rev 1.2
Raspbian GNU/Linux 10 (buster)
latest steam link to my windows 10 pc
as long as I ...
0
votes
0
answers
225
views
Repairing broken RaspberryPi partition
My RaspberryPi was acting up and I couldn't connect to it with SSH anymore, so I decided to restart it by cutting the power and plugging it back in.
When starting it showed a message with "Kernel ...
0
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0
answers
519
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PiHole and OpenVPN not working: tun0 doesn't even exist
I installed OpenVPN and PiHole. It works independently, but not together. I want to block stuff that comes through OpenVPN.
I tried the official guide. But in my case (Ubuntu server for Pi), there is ...
0
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0
answers
2k
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Raspberry Pi Imager on Ubnutu 22.04
I'm setting up my laptop with Ubuntu 22.04 and cannot install the Raspberry Pi Imager
My simple script
echo -e "$LOG_INFO Install Raspi Imager"
curl -L https://downloads.raspberrypi.org/...
1
vote
1
answer
5k
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Why can I access Internet but not local devices over VPN (wireguard)?
I set up a wireguard VPN on a raspberry pi using the steps described in this tutorial:
https://notthebe.ee/raspi.html
I tried to access the VPN from a laptop through a wireless hotspot on my phone. ...
0
votes
0
answers
566
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xrdp only showing the background of servers screen w/o windows open and does not allowd any action
I'm trying to get remote control of RPI with xrdp via PC and via cellphone.
The result are the same I can only see the background of servers screen whith mouse cursor but can not do anythig.
...
0
votes
3
answers
414
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Date function in Debian is IST, how do I change the default timezone of date, all the timezones are correct CEST
I have a Raspberry Pi 4 without RTC.
I am using pisignage, a signage solution for the Pi. It's viewing a webpage with a time.
The pi is showing the wrong time because the date command on the pi is ...
1
vote
1
answer
1k
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Accidentally changed owner of `/etc/sudoers` to non root. Can't sudo or revert
On Raspbian, tried to change permission for /etc/sudoers.d/octoprint-shutdown to pi user to edit the file and it worked but now I can't sudo anything.
The command I used to break it:
pkexec chown pi:...
1
vote
1
answer
5k
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Raspberry pi can't ping laptop but laptop can ping Raspberry pi
Here's the context to my situation. I'm attempting to setup my rpi zero to use my windows laptop as an NTP server. I have all of the configurations done on both my pi and my windows machine to ...
0
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1
answer
253
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dotfiles not showing up on pi samba mapped from windows
I'm wondering what you need to do to be able to see dotfiles on a samba network drive mapped to a pi. If I do a touch test123 on my pi, I can see this file on my windows 10 machine, but if I do a ...
0
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2
answers
5k
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RealVNC viewer cannot currently show the desktop (RASPBERRY PI4)
I tried everything, changing resolution, forcing HDMI output, pi auto login. Nothing seems to work. Using Raspberry Pi 4. (Version 11.3, bullseye 64bit OS)
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2
answers
3k
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How to netboot a Raspberry Pi with TFTP and NFS on a Synology NAS?
I can netboot Ubuntu 20.04 on a Raspberry Pi 4b over NFS, using a Synology DS 1618+ as a TFTP and NFS server. But I would like to protect the root file system with overlayroot so several machines can ...
0
votes
1
answer
434
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SSH connection to Raspberry Pi using 2 internet and 2 routers
I have two internet connection and both of them have public static IPs. Both of this internet connections are connected to their own separate routers and these two routers are connected to each other ...
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votes
1
answer
92
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Computer Architecture – Why are they different even if the machine is the same?
I've got a Raspberry Pi 4.
If I install NOOBS / Raspbian and run the comand.
uname -m I get armv7l as an output.
If I install Ubuntu on the very same Pi (same hardware)
Running uname -m yields arm64.
...
0
votes
0
answers
587
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How do I edit the rc.local file on my Raspberry using another PC?
I edited my rc.local file to start 2 python scripts and a flutter app on boot and I set it up to boot in console mode. But now I can't close the flutter app. I already tried pressing CTRL + Z or CTRL +...
0
votes
1
answer
658
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How to use a raspberry pi as an access point to eduroam?
How can I connect to eduroam via a raspberry pi?
Can the raspberry pi communicate over wi-fi with another eduroam access point and re-broadcast that connection either over wifi or ethernet?
I've found ...
1
vote
1
answer
1k
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How to display feh fullscreen slideshow on second screen
I am running a Raspberry Pi 4 as a signage computer and I need to run slideshows on two televisions which both need to be able to fullscreen.
When I use feh and attempt to fullscreen the screen2 it ...
0
votes
0
answers
2k
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Raspberry Pi: No Session for PID 3790
I have a raspberry pi 4, running Raspbian 10, that usually stays in console mode where all users except for Pi log in via NIS. Xwindows is generally not needed on this machine but now it is for a ...
0
votes
1
answer
12
views
Multiple container, different services, exposing securely
I have an old computer that I have converted into a personal server running debian with multiple services running on docker and others running on the host. Also, I have a raspberry pi next to it, ...
1
vote
1
answer
3k
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Raspberry Pi Zero saying "No Wireless LAN Interface found"?
I am working with others and I need to connect the Raspberry Pi Zero to my WiFi then give it a static IP so that we can SSH into it. The others in the group have successfully done so.
I started by ...
0
votes
1
answer
2k
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RaspAP with PiHole combine on one device
What I am looking for is proper steps to replace the RaspAP ad-blocking with PiHole. There is very little information on this out on the net.
Specifically I would like to serve an independent access ...
0
votes
1
answer
158
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Add logo to vlc video Raspberry
I try to set the crop function
Raspberry Pi OS 11 (bullseye)
vlc 3.VLC media player 3.0.16 Vetinari (revision 1.0.6-1682-g88158c836)
Raspberry PI 3b+
cvlc -f --crop=16:9 --video-filter=croppadd{...
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votes
2
answers
704
views
Why my images created with DD have different sizes
I am working on cloning my Raspberry PI microSD cards in order restore then quickly.
I use DD linux tool with SSH because they are difficult to access physically.
From my computer, my command is : ssh ...
0
votes
1
answer
765
views
Unstable LTE connection with SIM7600G-H 4G HAT
I've used a RasperryPi 3B+ together with the SIM7600G-H 4G HAT module to build myself a home router. The HAT module is connected via mini-usb.
I managed to setup the LTE connection using qmicli with a ...
2
votes
1
answer
4k
views
Installing OpenBSD 7.0 on Raspberry Pi 4
I'm trying to install OpenBSD 7.0 on a Raspberry Pi 4, but I'm facing some issues. This is the tutorial I'm trying to follow: https://lzomedia.com/blog/installing-openbsd-7-on-raspberry-pi-3/ (The ...
1
vote
0
answers
1k
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NodeJS can't find python: gyp ERR! find Python
I'm trying to run a script but nodejs can't find python for some reason. I have tried reinstalling python, reinstalling nodejs, reinstalling my OS, running (and rebooting afterwards): export PYTHON=&...
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0
answers
2k
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Raspberry Pi to website stream
there are countless howtos describing how to stream from Raspberry Pi to somewhere, I'm somehow lost and tired of trying different configurations.
My resources:
Raspberry pi camera v2
Raspberry Pi v3
...
0
votes
1
answer
495
views
Is there any way to use ssh to open remote windows from a raspberry pi to a Windows 10 machine?
We have students running windows 10. They install msys2 to do linux development, but could try to install wsl. In the past, wsl had everything except graphics, now it has graphics as well, but I do ...
0
votes
1
answer
292
views
Connecting to Raspberry database with TCP/IP over SSH
I am trying to connect to my raspberry MYSQL server with MySQL workbench over SSH but get the error:
"Could not connect the SSH Tunnel WARNING: Server public key has changed"
I´m not sure ...
0
votes
1
answer
2k
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samba share running but shares are not accessible (raspbian)
I am setting up a raspberry pi 4 server with samba (SMBD/CIFS) file-share and despite replicating tutorials and using the same setup as on a previous pi I could not get it to connect. The samba ...
4
votes
2
answers
1k
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Raspberry PI / systemd: run script on shutdown/poweroff but not on restart
On Raspberry PI (running raspbian) I need to run script on shutdown/poweroff, but not on reboot.
My first attempt was to define a service as following:
[Unit]
Description=Power off service
[Service]
...
1
vote
1
answer
413
views
Audio Device busy from service on systemd vs command line
A specific issue for me is using snapclient on a raspberry pi.
I have snapclient running alongside a voice assistant.
If I start snapclient using command line
sudo snapclient -h 192.168.x.xxx -s 3 --...
1
vote
1
answer
3k
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Streaming a Video on raspberry to rtsp in specified resolution
I am currently using this command:
libcamera-vid -t 0 --inline --framerate 30 -o - | cvlc stream:///dev/stdin --sout '#rtp{sdp=rtsp://:8554/stream1}' :demux=h264
Even though the sensor has a ...
0
votes
2
answers
872
views
How to wipe all data of an Micro SD card which is in Read Only?
My SD card got fried and now I want to return it since it wasn't too long ago I bought it. On the card is my Raspberry PI system. I'm a little bit uncomfortable with giving the store the SD card with ...
1
vote
0
answers
196
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Raspberry PI OS on SSD "goes to sleep while running"
I just bought a SSD and an Adapter for my pi to run the system on them. After some small complications with getting the backup image from the SD-Card to the SSD and everything seems to be fine. I got ...
3
votes
1
answer
116
views
Connect 3 subnets together
I'm trying to connect 3 subnets on 3 different NIC's together.
In the schematic below I tried to show the connection diagram.
I'm going to connect an android phone via USB to a RPi4 and tether it's 4G/...