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

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9 views

SNR or signal and noise levels in ad-hoc mode

I am using the WiPi dongle which is based on the rt2800usb driver on my Raspberry Pis (running raspbian) in an ad-hoc network, and I can't seem to be able to get any SNR, signal or noise level ...
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17 views

Bare bone system for a Raspberry PI 3 [on hold]

good day! I intend to build an OS that can run on Raspberry PI 3, this OS is for very specific use, i was thinking of just having the Linux Kernel alone, and then build the components myself, ...
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12 views

Record fullscreen program with avconv/ffmpeg?

I'm trying to record a fullscreen program (snes9x) with avconv, aka ffmpeg. I have avconv set up to use my whole screen, but it doesn't capture snes9x when I run it. #!/bin/bash avconv \ -f ...
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1answer
15 views

Systemd pause boot while script runs

I have a script that I want to run at boot, and whilst it runs I would like it to pause the boot process. I have tried the systemd service [Unit] Description=setup script Before=default.target ...
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3answers
52 views

Discover Static IP of connected ethernet cable

Ok, so my question is a bit out there, and I've read a lot of similar questions but they never actually are doing what I am trying to accomplish. So the best way to describe it is with this scenario: ...
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1answer
29 views

3G Modem connection only works after windows

3G modem works only after Windows first successful negotiation, after if I unplug device and plug it again to Linux it works fine, even after reboots and poweroffs. But, if I change SIM card and try ...
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0answers
22 views

Raspberry pi blocks completely after multiple reboots

I have a c++ program running on login on the raspberry pi, this program checks data for multiple devices attached on to it (Arduino Mega 2560 + Modbus RS485), gets inputted data from them and sends ...
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8 views

Networking failed to start on Alpine linux

I keep having an error when booting Alpine Linux Networking failed to start. I'm using a RPI3 which is connected by an ethernet cable to the box. Here's the /etc/network/interfaces : auto lo iface lo ...
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1answer
12 views

Update on reboot with init.d

I created a script to add a bunch of packages and update the system on a fresh install. Here's the relevant part of my init.d script that is giving me trouble: #!/bin/sh ### BEGIN INIT INFO # ...
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1answer
36 views

Build Linux for a Raspberry Pi without /opt/vc?

Now that the vc4 DRM/GBM driver has been making progress, is it possible to build Linux (not just the kernel but the entire operating system eg. Linux From Scratch) without libraries and programs from ...
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37 views

Why does Linux seem to automount NTFS USB drives under /media/LABEL but FAT32 USB drives under /media/usb[some_weird_number]?

I need them fat ones to be mounted under /media/LABEL as well... Running Raspbian (7.x something if I remember correctly). Does anybody know the solution?
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1answer
35 views

launch process foreground on boot

I know how to launch programs in the background with cron on boot or at certain intervals, but in this case, I want to launch a python script in the foreground, automatically when the computer starts, ...
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0answers
25 views

Set up a preferred network interface on Debian/Raspbian

I have a Raspberry Pi that is connected by Ethernet to DSL (eth0) and I also have some 3G/4G dongles that I am testing for fallback, in case the RPi loses the wired connection. In other words, I would ...
0
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1answer
24 views

How can I boot ubuntu from external Hard disk drive which is connected to Raspberry Pi

I have Raspberry Pi 2 which runs on Raspbian OS and External HDD is connected and mounted to it. It is connected to local server. I have a laptop and I want to boot Ubuntu from External HDD which is ...
0
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1answer
75 views

Raspberry Pi 3 TP-LINK AC 600 (T2UH) wireless USB adapter (Raspbian Lite)

I'm trying to install my TP-LINK AC 600 (T2UH) wireless USB adapter on my Raspberry Pi 3b running Raspbian Jessie Lite. I was following a guide for Ubuntu but it looks like i'm missing something but ...
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1answer
91 views

Wget: Segmentation fault (core dumped)

Whenever I try to download anything with wget I get Segmentation fault (core dumped) with or without -c it doesn't matter. I have tried this in both Ubuntu mate on my Raspberry pi 3 and arch Linux on ...
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9 views

Mounting AirPort in Raspbian [duplicate]

I am trying to mount a AirPort Time Capsule internal HD on a Raspberry Pi. I tried the directions [here][1], but could not get it to mount. Command I'm using (Assumptions: Time Capsule's IP is ...
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9 views

Rasbian AFP-SSH-Tunnel

I've Rasbian running on my Raspberry Pi which is connected to the internet over a router and registered on a free DNS-Server to connect to it. I have configured Rasbian to work as an afp-server to ...
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29 views

Changing YUM/DNF basearch on Raspberry Pi image?

I've followed the installation instructions for Fedora on a Raspberry Pi 2. I downloaded the MATE Desktop image here and verified it with its signature available here, and then copied it over onto my ...
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1answer
286 views

Cloned system + network interfaces

I'm currently in a little bit of a pickle. I've made an image of my system and I have given it to someone to run. They have successfully flushed their system with the image and are running it. The ...
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1answer
28 views

Raspberry Pi port fowarding redirecting to wrong local IP

I'm attempting to host a website from home using a Raspberry Pi with this tutorial. After following all of the instructions and finally testing the result by entering the NoIP address in my browser, I ...
0
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1answer
40 views

Script too slow ? Any particular reason?

I have a script which does hexdump along with pipeline commands and finally I am redirecting it to a file. Now I am logging data from the serial port of my Raspberry Pi. I also call a python ...
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3answers
54 views

how to get espeak to continuously speak stdout piped from netcat

I have a Raspberry pi 3 that I want to use as a sort of PA system, using espeak to announce stuff piped from netcat, which is getting input from a remote server. On the pi, I initiate the listener ...
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0answers
21 views

xming / startx - cannot use the GUI

I'm unsure if this is the right place to ask my question but I shoot anyway. If it is not the case, i'll close it I started a GUI with startx. I'm happy with the results. However, as you can see I ...
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0answers
27 views

When creating an init.d demon, what is the .service file?

I am trying to create a service that will eventually run at start, however I am getting stuck just trying to get the service to run using: sudo service fortech_bluetooth_server start Whenever I run ...
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1answer
22 views

Remove script under profile.d which “freezes” the system on boot

Is there a way during the boot to go to console instead of loading all "things"? Need to go to profile.d-directory and remove script which "freezes" system during the boot. I don't know the word for ...
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13 views

Problem with bt-autoconnect 1.0.2 on Debian (raspberry pi 2 Jessie )

Sorry to ask it here, but I tried to run bt-autoconnect v 1.0.2 on Debian but it seems the my Bluetooth dongle is not detected. It's a CSR v4.0 dongle. Since it is not detected, it doesn't connect to ...
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0answers
38 views

CLI connection from Raspberry Pi3 to bluetooth in solar PV inverter

I am new to bluetooth & trying to learn more so I can connect to my inverter. We have been able to use various command-line tools to: - scan & find my bluetooth mac address. - browse the mac ...
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0answers
42 views

How to compile custom kernel for Raspberry Pi

I'm trying to run the Ubuntu 14 Raspberry Pi ARM image in QEMU, and for that I need the kernel that matches the version used in the image. If I mount the image and run file vmlinuz I see: vmlinuz: ...
0
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1answer
10 views

Is there a simple menu-based app that shows the LOCAL IP#?

Is there a simple menu-based app that shows the LOCAL IP#? This so I can provide the IP# to anyone wanting to contact my new RPI3 on a LOCAL network (Apache web server initially).
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0answers
15 views

Create two boot options for the same distro but with post run options

I have a Raspberry Pi with Raspbian. I installed Kodi (with autorun) but I'd like to install RetroPie into Raspbian also. I'd like to have several grub options: one with Kodi in autorun, another ...
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35 views

Mounting CIFS drive between two Linuxes and .smbcredentials: using one user works, another gets “Permission denied”

System A is a Raspberry Pi, named "qfuel-dev". System B is some Debian box locked in a closet named "QQ-GIT". I have created a share on the Raspberry Pi by editing /etc/samba/smb.conf and added the ...
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1answer
59 views

Able to SSH from Windows, but not through Kali

I was trying to connect my Raspberry Pi 3 Model B over Ethernet to my netbook(running Kali from a bootable USB). After a lot of struggle that the RPi automatically assigned an IP to itself when ...
0
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1answer
30 views

how to input a file as a variable in a shell script

I need to input the path of a file in shell script as a variable and use the file in the same script.Suppose the path is /home/pi/dest/file and i want to use the file as a variable.Can anyone tell me ...
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149 views

wifi chipset not detected on rPi 3 with gentoo

i've install gentoo on a raspberry Pi 3. The version of the kernel sources is 4.1.20-v7+. All works fine except for the wifi. When i load the module brcmfmac, it is loaded without complaint but the ...
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1answer
52 views

Home automation program “cannot assign requested address”, but only when run via VNC on a Raspberry Pi

I am trying to connect to a program through VNC, which scans the LAN for a "Cube" (MAX eQ-3) which connects to my radiator valves. The program gives the error "[99] Cannot assign requested address, ...
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0answers
69 views

TCP SYN,ACK Retransmissions

The following network trace was recorded on a Raspberry PI running Debian Linux. It seems the Raspberry is not seeing the data packet #36995 for some reason; it is just stupidly repeating his SYN,ACK ...
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35 views

How does JavaFX takes control of the Raspberry Pi?

I'm interested in doing the same as JavaFX does but using another language. I want to crate a simple interface on a system without X server installed. (I know that doing anything meaningful with it ...
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0answers
11 views

Raspbian Kernel Oops at fs/dcache.c

We have a Raspberry Pi 2 running Raspbian 8 Jessie. We are running a simple Python 3 based Flask server to read from GPIO pins and toggle a relay (Externally powered). This system is polled every ...
3
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2answers
121 views

(Raspian) DHCP startup race conditions - lots of service failures at startup (no DNS for ~5-10 seconds)

(Edit: This applies to much more than postfix; it's just where I noticed/debugged it) I've installed postfix, but when it starts up and creates its chroot, it gets an empty copy of /etc/resolv.conf ...
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2answers
16 views

Is there a way I can find which driver file a piece of hardware is using?

Is there a way I can find which driver file a piece of hardware is using? (I want to find the driver for the Raspberry Pi3 WiFi on Raspbian)
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0answers
18 views

allow just running of two specific programs (scripts) for user's account

I don't have much experience with user privileges in Raspbian (Debian for Raspberry Pi). Sorry for "stupid" question but I would like to ask you for help with this. (I think it has something to do ...
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0answers
50 views

No response on ttyAMA0 on ArchLinux

I am running ArchLinux on a Raspberry Pi 3. I am trying to connect over a serial cable with screen on a Mac El Captain using screen /dev/tty.usbserial 115200. I get the Grub boot messages and the ...
0
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1answer
133 views

OSMC won't boot anymore after update

At home I have a Raspberry Pi 2 with OSMC installed on it. For those who don't know what it is, it's basically Kodi as an OS. It's a Debian based Linux OS with the Kodi software on top. So perhaps ...
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1answer
42 views

How does Raspbian draw images on the terminal?

When you turn a Raspberry Pi on, it displays three (or four) pictures of raspberries in the top-left corner of the screen. Now, as far as I know, you cannot draw images or any other non-text content ...
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0answers
27 views

Different IP addresses, same interface

I have a Raspberry Pi and I have configured the wifi interface with static IP - 192.168.0.110. It worked fine, on every restart it got this IP. But this beautiful morning I restarted the Pi and ...
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0answers
120 views

Loading new wlan driver

TL;DR. Two issues: can't get wlan0 working, can't get wpa_supplicant working. I compiled & installed kernel 4.4 (rev. eb4d55) with revamped rtl8xxxu support enabled. In order to compile ...
3
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1answer
60 views

How to set time in nanoseconds?

I have a Raspberry Pi with a GPS module connected to it. Since all GPS satellites have very precise atomic clocks on them, I would like to synchronize the Pi's clock to the satellites' clocks. I know ...
0
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1answer
56 views

Recurring ext4 “bad header invalid magic” errors on a healty drive

I'm getting frequent and recurring ext4 "bad header invalid magic" errors on an apparently healthy, brand new (few months old) external USB drive (WD MyBook 1230) connected to a Raspberry Pi running ...
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0answers
41 views

Raspberry Pi 2 running raspbian unmounts external hard drive every so often

I hope this is an ok place to ask this out of all the stack overflow communities there are. Anyway I have a raspberry pi 2 in my house that I keep around to backup some files and host media files ...