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

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4
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0answers
33 views

Check wifi connection without actually connecting to the wifi

I am trying to switch Wi-Fi from a headless pi over tightvnc viewer but want to make sure that my connection settings are correct without risking losing my current connection. Lets say I am currently ...
2
votes
0answers
18 views

Install Shiny Server and Rstudio Server on Raspberry Pi 3

I'm trying to install Rstudio server and shiny server in Raspberry Pi 3. It has a ARM architecture which is same as many chromebooks. There are serveral sources I've found but non of them seems to ...
2
votes
0answers
15 views

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 ...
2
votes
0answers
110 views

Raspberry Pi 2 Raspbian: OBEX FTP to phone over bluetooth

I am trying to send a file over Bluetooth through OBEX. I have installed the obexftp package. I am able to pair the phone using pair in bluetoothctl. When I try to transfer a file with this : sudo ...
2
votes
0answers
182 views

crypto kernel module not avialable on linux 3.18.11 on Raspberry Pi 2

I'm trying to use dm-crypt on my Raspberry Pi 2 with Raspbian (debian) to open a trueCrypt volume, but i get Required kernel crypto interface not available. Ensure you have algif_skcipher kernel ...
2
votes
0answers
250 views

crosstool-NG can't retrieve cloog-ppl

I am trying to build a cross-compiler for my Raspberry Pi to ultimately compile ffmpeg for it and I am following this tutorial. After having configured ct-ng and upon calling nt-cg build it fails and ...
2
votes
0answers
42 views

how to keep a distributed software up to date on Linux machines

I have my own distributed software running on few RasPi (20+) in different geographical locations, but every time i change something in my app, i have to update the excuteble in all Pi's manually, ...
2
votes
0answers
164 views

Stream from Windows Media Player to linux

I'm trying to setup my Pi running Debian Wheezy to play music coming from any computer on the network using the Play to feature of the Windows Media player. The Pi is running headless, so a terminal ...
2
votes
0answers
329 views

Raspbian: USB drive mounted and accessible but doesn't show on df -h

I have an USB drive connected to my Raspberry Pi running Raspbian, the directories on it are accessible using cd, ls etc but the drive doesn't show up when running df. It however does show when I run ...
2
votes
0answers
187 views

Share Windows PPPOE connection with Linux

I have a windows computer connected wirelessly to router and connected to Raspberry Pi (Raspbian Linux) with LAN cable. I need to connect to PPPOE connection and enter my credentials to connect to ...
2
votes
0answers
297 views

Unable to serve modestly large files on Raspberry Pi with Apache and also with Nginx web server

I've installed Apache on a Raspberry Pi. If I create a js file in /var/www with nano, it works fine, and is served correctly if I open http://x.x.x.x/test.js directly in a browser. However, if I copy ...
2
votes
0answers
1k views

Alternatives to Video4Linux2 for grabbing from webcam (Using FFmpeg)

I'm getting (two alternating) errors following this guide for streaming from a Raspberry Pi. Are there any other grabbers besides V4L2 that I can use with ffmpeg? Or are there any other streaming ...
2
votes
0answers
990 views

ALSA buffer xrun when recording with ffmpeg

Is there any way to increase the ALSA buffer size? When running this command: ffmpeg -f alsa -ac 2 -i hw:1 -ar 44100 -b 64k output.mp3 I get a "ALSA buffer xrun" before my system locks up Input #...
2
votes
0answers
66 views

Apache2 and PHP5 repository down?

I've recently been trying to get PHP and Apache on my Raspberry Pi as to make it a web server but when I try to apt-get them from their respective repositories, it gives me a bunch of '404 not found'. ...
2
votes
0answers
278 views

Port forwarding & OpenVPN

I have a raspberry pi running Debian (raspbian) and I'm having issues that don't seem raspberry pi related. I connect to this device via ssh most of the time on my local network, but decided I would ...
2
votes
0answers
886 views

Sending text messages from Raspberry Pi via email fails

I'm using mailx on my raspberry pi to try to send text messages updates for event monitoring. My phone number:9876543210 My phone's email-to-text gateway address: 9876543210@txt.att.net I can ...
1
vote
0answers
18 views

Converting JPG to MP4 green output

I'm trying to convert JPEGs to MP4 using ffmpeg. I've got the process working for PNGs so I know I'm heading down the right track. With when ffmpeg finishes processing a JPEG, the resulting MP4 can ...
1
vote
0answers
89 views

Wifi access point no internet connection

Situation There's a intranet with access to the internet. However, you can only gain access to this network, and therefore the internet, if your device has a whitelisted MAC address. This is no ...
1
vote
0answers
28 views

Closed network - “fake” an active internet connection?

I'm trying to set up a closed wifi network (so no WAN/Internet access) for an event - with a private website. While I got everything working fine, I'm wondering if I can solve the long loading time ...
1
vote
0answers
22 views

Raspberry-pi remote connection using putty, GUI not working

On my Client PC I’m running Windows 8.1 and I have installed XMing. I am running Putty and I have configured it to enable X11 Forwarding. I have tried leaving the X display location blank (as default) ...
1
vote
0answers
39 views

Get desktop shell access by wired connection from Raspberry Pi

Today I asked my self if this was possible: Connect a Raspberry Pi to a desktop PC (Ideally to the motherboard, so that the Pi can be hidden inside the case) and then connect he Pi the the Internet ...
1
vote
0answers
22 views

Raspberry Pi model B scaling for 3.2" touchscreen

I have bought a 3.2" touchscreen for the Raspberry Pi model B that I have and it comes with a dvd containing a system image of Raspbian compatible with running the screen. Now my problem is that the ...
1
vote
0answers
31 views

Send an electric signal with raspberry PI

i would like to know if it's possible to Start my computer with my Rasp Zero, not with WAKEONLAN or things like that, just an electric signal as if i was pushing the power button. From a internet ...
1
vote
0answers
17 views

IEEE 802.11:deauthicated due to local deauth request Respberry pi 2 jessie

I am trying to make hotspot using Raspberry Pi 2. I have followed a video tutorial in which I have completed all steps successfully. I use TL-WN722N router. Actually I'm facing an issue is that when ...
1
vote
0answers
42 views

How do I set the default soundcard for the root user?

I am running raspbian Jessie on my raspi 2. I have an external usb soundcard for my pi. I set it as the default card simply by going to Menu->preferences->Audio Device Settings. This works as expected....
1
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0answers
24 views

Connection consistency issue in E3276 dongle issue with Raspberry PI

I am using E3276 with a Raspberry Pi that is running Rasbian OS. My application is to connect to internet automatically through sakis3g. I have written code to get a connection automatically whenever ...
1
vote
0answers
42 views

Network packets routing

I have implemented mesh network on 5 raspberry pi. I will attach a camera to the 5th node which takes the pictures/video and transfer the captured data to the first node and then to the server.The ...
1
vote
0answers
1k views

How can I remount external drives after a power failure?

I know I can run a script that basically does this: sudo mount /dev/sda1 /media/my_flashdrive/. Is there a better way to do this on a small server with many external drives?
1
vote
0answers
100 views

Raspberry Pi create WiFi Access Point (share internet from WiFi connection and route traffic trough a proxy)

My goal is to have a separate raspi wifi access point where the internet connection is used from an existing wifi connection and the traffic should be forced trough a proxy. So when a client connects ...
1
vote
0answers
53 views

Running GNU Screen on Raspbian with vertival split spilling content

I am running Screen on a Raspberry Pi. My shell on the Pi is ZSH with OH-MY-ZSH. I have connected to the Pi via SSH from a Mac. When I run certain commands like HTOP or Vim the output spills over to ...
1
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0answers
319 views

ffserver ffmpeg stream mjpeg from webcam Logitech C930e to mjpeg format without re transcoding

I have premium webcam from Logitech (C930e) and this camera support mjpeg built in processing directly in the camera it self. My purpose is to get that stream with ffmpeg and pipe it to ffserver so ...
1
vote
0answers
158 views

Stream audio/video over RTSP with VLC?

I have a camera module (noIR) and USB mic attached to my raspberry pi. I'm trying to setup a RTSP streaming video/audio so I can observe the feed from another system on my network. So far, I've been ...
1
vote
0answers
46 views

802.11N in TP-LINK TL-WN722N

I'm using usb dongle TL-WN722N as Acess Point on my Raspberry Pi B 2. It works as AP but I can't get 802.11N speeds to work. My max Bit Rates is 65 Mb/s. Is this correct? sudo iw list: Wiphy phy0 ...
1
vote
0answers
29 views

All web request hitting router web ui once raspberry pi comes online on the LAN

Linux noob here, but 18 years in Windows :) Recently installed volumio on my raspberry pi B. But once this machine comes online on LAN via wired or wireless, everyone else (all laptops/desktops/...
1
vote
0answers
89 views

Why does the same ping command behave completely different on two systems?

The Software Ubuntu Server: ubuntu@server: $ cat /etc/*-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=15.10 DISTRIB_CODENAME=wily DISTRIB_DESCRIPTION="Ubuntu 15.10" NAME="Ubuntu" VERSION="15.10 (Wily ...
1
vote
0answers
69 views

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 ...
1
vote
0answers
70 views

SQUID on Raspberry

I am trying to implement a proxy server on my Raspberry to log all connections to the internet. Squid (3.4.0) and SARG are installed and running without any problems, but I have still some problems to ...
1
vote
0answers
76 views

CUPS 1.7.5 & Google Could Print - Zebra LP2844 Not Printing

I am running a CUPS server on a Raspberry pi, I have now shared the printer with Google cloud print. In theory everything should work. However as soon as I start to use google cloud print it does not ...
1
vote
0answers
20 views

GPIO access to members of certain group in Raspbian

I'm dealing with GPIO in Linux Raspbian (Raspberry Pi). The thing is that root privileges are needed in order to actually use GPIO. Is it possible to make my user member of group, which has access to ...
1
vote
0answers
87 views

Record audio from default device on Linux (Raspbian) with arecord

I can record audio with the following command: arecord -D plughw:0 --duration=10 -f cd -vv rec7.wav And ~/.asoundrc has this: pcm.!default { type hw card 0 } ctl.!default { ...
1
vote
0answers
46 views

Raspberry Pi overscan not stretching image

I have a composite car monitor like this one, but I can't seem to get overscan right on raspbian. By default overscan leaves borders and seems to display 4:3 stretched to 16:9. To be able to operate ...
1
vote
0answers
46 views

Can't get the proper default route

I have 8 remote raspberry pi computers with wheezy and jessie installed. I am running all of them headless and currently connect via WiFi. They all have Edimax WiFi dongles installed. I am using both ...
1
vote
0answers
69 views

Is it possible to remotely/wirelessly access a device via ssh and then use another wifi adapter to turn on monitor mode?

I have a Raspberry Pi and since it's a very portable little thing, I decided to try and tinker with the network using that instead of trying with my phone. My question is, is it possible to and how ...
1
vote
0answers
228 views

Custom script in /etc/rc.local - not starting X properly

I made a script called starter.sh: #!/bin/bash while true; do sudo fluxbox & sudo -u pi epiphany-browser -a --profile ~/.config http://localhost/index.php & sleep 2s done; Which is ...
1
vote
0answers
2k views

“Missing LSB tags and overrides” error on /etc/init.d script

I made a script as showed in this tutorial: http://edv-huber.com/index.php/problemloesungen/15-custom-splash-screen-for-raspberry-pi-raspbian But after executing a command: insserv /etc/init.d/...
1
vote
0answers
125 views

How to create blank audio file in FFMPEG?

I am creating a project associated with using Sony ILCE-6000 with its remotely controlled functions. I have found such method of controlling camera with command line: https://github.com/tonytonyjan/...
1
vote
0answers
133 views

Controlling a Canon Powershot with a CGI/Bash Script

I am trying to control my camera through the program chdkptp by using a CGI/Bash script. I have successfully controlled the camera by typing in the commands by hand: pi@camerapi /var/www/chdkptp $ ...
1
vote
0answers
343 views

*some* OpenVPN clients won't connect within same network as server (TLS Handshake Failed)

I have an Raspberry Pi running an open VPN server on my LAN. I moved this server from one location to another (at the old location, it was working just fine). NOW my android devices are running on ...
1
vote
0answers
239 views

How to gvfs-mount a CD as non-root user?

I can mount a CD like this: sudo dbus-launch gvfs-mount cdda://sr0 And I get the tracks as .wav files in /root/.gvfs. But it mounts as root, and chown doesn't work (not implemented in the fuse ...
1
vote
0answers
204 views

Sharing HFS+ (USB-HDD) over NFS

I've hooked up an external HDD to my Raspberry Pi running Raspbian. It shows up under /dev/sda2 and /dev/sda3 (two partitions). I followed numerous tutorials, but none seem to have a fix for my ...