Questions tagged [raspberry-pi]
Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
64
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How can I access my mini-pc (RaspberryPi / MK802 / Mele A1000 / VIA APC) via ethernet/wifi without having Monitor?
Soon I will be getting my own mini-PC (RaspberryPi / MK802 / Mele A1000 / VIA APC).
But I was wondering whether is there any possibility that I can just power up and access my mini-pc's OS by ...
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5
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Wired to wireless bridge in Linux
I am attempting to set up my Raspberry Pi as a bridge, using Debian wheezy. I have a hostapd.conf: (some details changed for security, and yes, I know WEP is no good)...
interface=wlan0
bridge=br0
...
- 514
0
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1
answer
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Port forwarding not working on router using NAT?
I have a Dlink router which uses NAT and I tried several ports but every time I try to connect my server(Raspberry Pi) it says connection refused. I can’t connect to the server on the RPi itself.
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How do I auto mount a USB drive that all users can write to?
I'm trying to set up a Raspberry Pi to run BitTorrent Sync to back up my files to an external hard drive, but I'm running into some frustrating issues.
First, I need to set up the USB hard drive to ...
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11
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3
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How can I read input from the hosts keyboard when connected via SSH?
I'm currently experimenting with an RFID card reader that emulates a keyboard. When you connect a card, it will read out data from it and then emulate keystrokes according to configuration.
I've ...
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8
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1
answer
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dd always fails to write one partition on first try; succeeds on second
For a robotics project, I've assembled a make target that uses dd (actually dcfldd) to write a Raspbian Jessie image to SD card. This way, I can be assured that my environment is reproducible from ...
- 374
7
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3
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Debian ARM and Brother DCP195C with CUPS
I want to have acces to my DCP 195C printer (Brother) over LAN. For this purpose I have bought an raspberry pi and installed CUPS on it. CUPS runs fine and everything else is running smooth as well. ...
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2
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External HDD doesn't show up in /dev on raspberry pi
here's my problem: I have an old 500GB HDD drive from one of my old laptops which I connected to my Pi via USB. First issue: Every time I plug in the device, the Pi reboots. I already read this is due ...
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1
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How to Disable Permanently the Chromium Popup after Crash or Hard boot?
I am aware of post
Disable Google Chrome session restore functionality
and I have tried to apply most of I saw there without success. The nasty annoying popup lives.
This is on a Raspberry pi
Can ...
- 232
1
vote
2
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Running a caching DNS server on my LAN
I have a Raspberry Pi, and I'd like to use it as a DNS server on my LAN.
I'd like it to work like the following:
The Raspberry Pi is a DNS server, but not a fancy one. When it receives a request, if ...
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1
answer
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Is it possible to reinstall Raspbian on a Raspberry Pi
I have a Raspberry Pi and I need to get the image reinstalled but it's a 4 hour drive away to it. The OS is Raspbian and it is connected through an Ethernet connection. I can SSH into the Raspberry Pi ...
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answers
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How do I set DNS Servers on Raspberry Pi?
I want my Raspberry Pi to use OpenDNS to resolve domain names. How can I modify this setting?
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votes
5
answers
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iptables/1.8.2 Failed to initialize nft: Protocol not supported
I'm having a problem using iptables on my Raspberry PI.
I've just downloaded a fresh version of Raspbian Lite on my PI and all I'm trying to do is check my iptables rules but it's not working and I'm ...
- 251
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2
answers
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Bluetoothctl connects and disconnects repeatedly
I am using a Raspberry Pi Zero with a Iot pHat and was able to ssh into the Pi using a USB cable using this tutorial. I then set up my home WiFi with the pHat. Then I powered up the Pi with a separate ...
- 293
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5
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Force spin-down of external hard-drive on linux (raspberry pi)
I'm currently setting up a home-server using a Raspberry Pi with an external hard-disk connected via usb.
However, my hard-drive will never spin down when being idle.
I tried already the hints ...
- 193
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1
answer
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How to share a folder as an USB mass storage device (from a raspberry pi)
I'd like to do something quite simple ... in my mind.
I've got an "old" photo frame with an usb port and SD card slot (but without networking) that I would like to keep in sync with my NAS "Photo ...
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2
answers
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Can I use dd to clone a larger SD card to a smaller SD card if the actual partitions will fit?
I have a 16GB SD card that has a few partitions on it (it's actually the card for a Raspberry Pi). I have several other 4GB cards that I want to clone the primary card to. The 3 partitions on the ...
8
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4
answers
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Why is Samba SMB slower than HTTP/NFS/FTP transfer on NAS on my LAN?
I want to set up a NAS which I have done most recently with a Raspberry Pi 2 (quad-core ARM Cortex-A7, 1GB RAM, 32GB microSD) running Raspbian “Jessie”:
I have a laptop—an HP Pavilion G6—running ...
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1
answer
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How to install the Ubuntu OS in Orange Pi 4G IoT?
I have recently buy an Orange Pi 4G IoT and I have installed the Android 6.0 successfully.
But for my project need I want to install the Ubuntu OS in it.
Can anyone help me.
Previous Work
Download ...
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1
answer
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How does a Raspberry Pi 4 truly compare against a modern desktop CPU? [duplicate]
I am trying to find raw benchmark numbers between any fairly modern desktop processor and the Raspberry Pi 4gb/8gb, but I am struggling to do so.
I understand that there are architectural differences ...
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6
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1
answer
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Debian eth0 to wlan0 forwarding, with openvpn
I'm using "raspian" (Debian for the raspberry pi), and would like the raspberry-pi to serve internet access through eth0, using wlan0. The catch here is that while wlan0 is connected to my router, I'd ...
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2
answers
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Creating backup process with a pi, should I use push or pull?
I have a raspberry pi 4 and would like to use it as a backup server at home. Now I am unsure how to do this, I have an encrypted disk that is connected to the pi and I want to do the backup ...
- 437
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1
answer
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arecord: Create large (7 days) audio recording
For a scientific experiment, we're trying to create a large (7 day) audio recording using arecord from alsa on a RasPi using a USB microphone. The pipeline for the recording is as follows:
arecord -f ...
- 183
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votes
1
answer
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Software adjustment of LCD monitor brightness in Raspberry Pi
This is my first post here. I'm at the beginning of the road called Raspberry Pi.
Is there any way of changing the gamma/contrast/brightness of monitor via Raspberry Pi?
My Samsung 960BF doesn't ...
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votes
2
answers
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Error Putty X11 proxy: Authorisation not recognised
I'm developing a robot with a Raspberry Pi, and I'm having trouble with X11 forwarding. When I'm going to run my script as:
sudo python myscript.py
I get the error:
Putty X11 proxy: ...
- 31
3
votes
1
answer
735
views
It's possible to have multiple physical servers behind one home router?
I have multiple Raspberry Pi at home and I would like to use them as web servers for some of my projects. I'm aware that I could host several sites on one Pi with virtual hosts, but I want just one on ...
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3
votes
1
answer
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LUKS Cryptsetup Options Failing for Raspberry Pi 3 Model B+ Running Kali Linux ARM
I've scoured the internet for help on this, and it seems I'm one of the only people with this problem.
I recently downloaded a fresh copy of Kali Linux ARM for the Raspberry Pi 3 Model B+, and I want ...
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1
answer
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Raspberry pi as access point with vpn
I need to connect my phone to office network while at home. Installing a vpn client on the phone is not an option. I followed this tutorial to get an access point working with an rpi :
Configure a ...
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2
votes
1
answer
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How would I ssh to Raspberry Pi from Android Device while it is connected to its hotspot?
I have had a Raspberry Pi for a couple months now and it was my first time using Linux (so I'm still pretty new)
What I am trying to achieve here is being able to SSH to my Raspberry Pi (running ...
- 103
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votes
1
answer
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rfkill command not found
I'm using Kali on my Raspberry pi
I am trying to use airmon-ng but I'm getting the error
root@kali:~/downloads# airmon-ng
Your kernel supports rfkill but you don't have rfkill installed.
To ensure ...
- 41
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2
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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 ...
- 147
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0
answers
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OpenWrt and Raspberry Pi Wi-Fi
I want to use my Raspberry Pi to connect via Wi-Fi to a signal of a mobile hotspot. Then the data should be routed through a firewall. Finally, the clients ought to connect via Wi-Fi and LAN.
How do ...
- 131
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1
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How can I spawn my own program in a linux tty-session instead of the shell?
I want to spawn a little TUI program instead of the shell on a raspberry-pi on the standard tty (without x11 of course)
Therefore I need to know how to switch of the starting of the standard-shell ...
- 11
1
vote
3
answers
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Raspberry PI and laptop screen
I want to connect a mobile screen to the Raspberry PI in the cheapest way possible. I don't mind if I attach a touch screen (if it's possible) to it or an old laptop screen.
How would I be able to ...
- 11
1
vote
0
answers
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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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1
vote
1
answer
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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 ...
- 147
1
vote
1
answer
7k
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How do I use h264_omx on Raspberry Pi?
I'm using Raspberry Pi 1gen B+, for push stream to web through rtmp. But I find my CPU usage came up to 90%+. This is how I use it:
ffmpeg -re -f concat -safe 0 -i playlist.txt -vcodec copy -acodec ...
- 111
1
vote
2
answers
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dd - just copy partitions
I have a SanDisk Extreme SD card contaning my Homeserver runing on the RaspberryPI. I want to move this sytsem to another 4GB SD card using dd. But unfortunaltely when I make an image via dd it has ...
- 1,212
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1
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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 ...
- 227
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1
answer
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ngrok kex_exchange_identification: read: Connection reset by peer
I've got a raspi (in my robot boat project) connected to the internet over a 3G connection using a dongle with a simcard. I then use ngrok to expose ssh to a static address so that I can always ssh ...
- 1,434
1
vote
1
answer
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Send Wake on Lan (WoL) request manually through the ethernet cable using an Arduino or Raspberry Pi
I'm trying to make a circuit that "intercepts" the ethernet cable before it enters the computer, allowing me to send a "Magic Packet" through the cable manually - by the press of a button for example.
...
- 123
1
vote
0
answers
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Can ssh internally, but can't externally: port 22: connection refused
I'm trying to connect to the my Raspberry Pi over SSH.
I'm able to do it internally (ssh user@raspberrypi), but when I try to connect externally (over public IP) it says:
port 22: Connection ...
- 111
1
vote
2
answers
11k
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External HDD 3.0 for a Raspberry pi 3
So I have this raspberry pi 3 with a external HDD 500GB and a usb 3.0. The raspberry has only USB 2.0 ports.
So when I plug the HDD in the raspberry the HDD does not show in the file explorer, the ...
- 65
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vote
1
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Remote Access without Teamviewer or Hamachi - Part 2 of 2
INTRODUCTION
This discussion is a continuation from here
I want to remotely and securely access my Raspberry Pi with SSH and VNC. Here's what I'm using:
Router: Westell A90-750022-07 (archived ...
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1
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2
answers
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sdkman installation fails on raspberry pi
I am trying to use SDKMAN to install java 17 on raspberry pi and the installation seems to work at first, it makes an initial download, but then it intends to Installing script cli archive... and it ...
- 13
1
vote
1
answer
5k
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MiniDLNa local AND over openvpn
I have a raspberry pi with a minidlna server and an openvpn server.
When I'm on my local network I have access to my DLNA without problems.
When I'm outside (cellular or another wifi) I connect my ...
- 23
1
vote
3
answers
8k
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How to remote access a raspberry pi connected to a VPN?
I have a Pi thats always on and connected to a VPN, which means I cannot access it remotely. I am trying to find a solution to access it remotely, so I am seeking advice from the gurus here.
My ...
- 49
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vote
3
answers
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xset dpms command is not shutting down the monitor
I have a problem with this command:
xset dpms force off. It puts the screen black, but it doesnt shut down nor suspend (with suspend command) the monitor.
The command 'xset -q' shows that DPMS is ...
- 187
0
votes
1
answer
2k
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Docker gives an error trying to create aufs mount
On Ubuntu Bionic ARM64 on my Raspberry Pi 4b I get the following error:
ubuntu@ubuntu:~$ sudo docker run hello-world
docker: Error response from daemon: error creating aufs mount to /var/lib/docker/...
- 101
0
votes
2
answers
787
views
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)...
