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

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1answer
200 views

FreeBSD on RPi doesn't see TP-Link wifi dongle

I've installed FreeBSD 10 on a Raspberry Pi via Crochet. I'm trying to get it to work with a TP-Link TL-WN727N v3 USB wifi adapter, which should be supported and seems to work for others (though ...
0
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1answer
51 views

Permissions help?

So I've set up a Wordpress site on my server. The problem I'm having is that Wordpress creates new folders to sort content uploaded from the Dashboard by day. But, somehow the server doesn't have ...
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2answers
90 views

Pipe / direct image / video output to foreign server

I am working on a Project that involves taking the output from a Webcam which is in either jpg or h.264 format, and outputting it to a foreign server (HTTP / FTP would work, I am open minded). What is ...
3
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1answer
378 views

Disable PIN request for pairing on Raspbian

I'm running a Raspberry Pi with Raspbian Wheezy. I have a BT (Bluetooth) dongle attached to one of the USB ports (I have a model B RPi), I've downloaded and installed the following packages: ...
0
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1answer
80 views

named starts but doesn't answer until reboot

I have a current arch linux arm running on raspberry-pi and bind 9.9.4.P2-1 from the community repository. I'm using this bind as a slave-nameserver for our internal network. I have enabled named ...
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0answers
18 views

Can i run a program on Linux startup instead of a Desktop Manager like Gnome, KDE, etc.? [duplicate]

I have a rasberry pi running raspbian and i would like it to "boot" into my program instead of starting Lxde. So basically let's say i will write a OpenGL program that will go fullscreen and i would ...
0
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1answer
92 views

How to start X program on local display? [duplicate]

I'm ssh-ing into a Raspberry Pi. I would like to start an X program remotely, on the Pi's display. I know you can export DISPLAY to have programs open up on your computer when you ssh-in. But I'm ...
3
votes
1answer
153 views

Arch Linux Encrypt entire drive

My Raspberry Pi is set up as a PHP MySQL (Percona) server and I think that I have managed to make it quite resilient against online attacks but it is still very vulnerable against someone just taking ...
5
votes
1answer
1k views

Arch ntpd/ntpdate not synchronizng clock

My raspi running Arch isnt updating time with NTPD. Im running [root@fatpi ~]# cat /proc/version Linux version 3.10.28-1-ARCH (nobody@root-armv6-copy) (gcc version 4.8.2 20131219 (prerelease) ...
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0answers
65 views

Emerge freezes on raspberry pi without error message

I am trying to install raspberrypi-userland to my gentoo system with the command emerge --ask raspberrypi-userland on my raspberry pi. I am well aware that without cross-compile environment this ...
1
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1answer
22 views

Space Problems? [closed]

I just got a new SD card for my pi. Trying to install node.js, I ran out of space (I've also recently installed a LAMP server system). But, when I plug it into my main (Windows-Ubuntu dual-boot) ...
0
votes
1answer
185 views

Multiple SSH tunnel through raspberry pi?

In my home network I have a PC, raspberry pi, macbook and a few other devices which I want to access away from home. As it stands, I have setup VNC server on my PC along with remote desktop and have ...
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2answers
51 views

Extract configuraiton files from raspbian image

I backed up my raspbian using Win32DiskImager. Later, I noticed that my Raspberry Pi did not boot because the SD card was damaged. I tried to restore the backup but still the Raspberry Pi did not ...
2
votes
1answer
56 views

Can I apply `tmux` to a bash script?

Is it possible for me to use tmux to SSH into a Raspberry Pi, run a Bash script, and then leave the session (from my laptop), while the Raspberry Pi continues to run the script?
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votes
2answers
71 views

Command to restore filesystem to state after installation of the OS

How can I wipe all the changes to the filesystem since installing the OS? It's not that I want to destroy the files because they contain sensitive data or anything like that; I just want to start over ...
1
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1answer
750 views

Copy MBR and boot partition to a smaller disk

I'm using a 32GB SD card for my raspberry pi. I have successfully transferred the operating system (Archlinux ARM) to a usb harddrive. Which means that I only need the boot partition on the SD card. ...
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0answers
49 views

Mount partition with truecrypt using the commandline

I'm trying to mount a encrypted HDD with truecrypt, but I cann't find the device. Where can I finde my HDD and what is the command to mount it in truecrypt? I'm using Raspbian on Raspberypi.
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1answer
79 views

Program acting differently depending on user

I am trying to control an RC transmitter from a PHP site. The command works fine as user "xbian" in the command line: sudo /home/xbian/433Utils/RPi_utils/codesend 34832404 for example, and it works ...
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0answers
23 views

automount usb drive [duplicate]

I have a RaspberryPi with Raspbian (no GUI, only terminal). I want to use it as a music player (I will install a music daemon with web interface). Currently, when want to mount an external usb drive, ...
2
votes
2answers
534 views

Using sudoers to allow php to run command

I am trying to get my php page to run this command: shell_exec("sudo /home/xbian/433Utils/RPi_utils/codesend {$num}"); So I added this entry to my sudoers file with visudo: www-data ALL=NOPASSWD: ...
0
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0answers
100 views

RaspberryPi GPIO FreeBSD assignment

First my Assignment: I'm a beginner with BSD and low level peripherals like GPIO etc., and I need to toggle Raspberry GPIO Pins from a C programme on BSD. I am Using this BSD Image i took from here: ...
0
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0answers
45 views

Laptop wifi connectivity dependent on other devices being connected (RaspPi Access Point)

I've been trying to setup a Raspberry Pi as a WiFi router using hostapd, yet have encountered a strange issue when trying to connect: Laptop (Macbook Pro 2009) finds WiFi network, yet fails to ...
1
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4answers
182 views

Why does “sudo ./foo” return “./foo Command not found”?

I'm having trouble with my new Raspberry Pi. Any time I try to run ./foo, it returns -bash: ./foo: Permission denied But if I try to run sudo ./bar, then it returns sudo: ./bar: command not found ...
4
votes
1answer
155 views

Reset running process when certain ammount of memory is consumed

I'm running a Hydra on Rasppberry PI. There were some problems with the program, but aside from these, there is a hidden memory leak in the program. The source is pretty big and really can't find the ...
1
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1answer
214 views

Cross compiling htop libncursesw not found

I'm trying to cross compile htop on an x86 Ubuntu 13.10 machine for Raspberry Pi ARM architecture. I've a crosstool-ng toolchain correctly configured, but when I use the command: ./configure ...
0
votes
1answer
129 views

Giving cron permission to execute command

I'm trying to get a ruby script to run via cron. The cron job looks like this: * * * * * /usr/local/rvm/rubies/ruby-2.0.0-p353/bin/ruby ...
0
votes
1answer
476 views

qemu emulator for raspberry

I am trying to emulate a raspberry pi on ubuntu. I have tried several ways using several tutorials but every time, the emulator logs this: scsi: 0:0:0:0 ABORT operation started scsi: 0:0:0:0 ...
5
votes
1answer
141 views

Secure access to remote SSH tunnel

So I wish to be able to access my Raspberry Pi (which I keep at home behind a firewall) remotely. One option is to use a static IP address, but as a poor student I don't want to fork out for one, and ...
0
votes
1answer
287 views

Can't connect to vsftpd, not even from localhost

I have installed vsftpd on Raspbian by following steps: sudo apt-get install vsftpd I altered a few settings by calling sudo nano /etc/vsftpd.conf Restarted by sudo service vsftpd restart No ...
0
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0answers
35 views

When connecting with GNU Screen (patched version) RPi reprompts for password in kind of loop

I'm sorry this is a repost of my question on raspberrypi.stackexchange.com, but I didn't get an answer there, so I thought I could post it here. If not, please suggest some other way to get help. I ...
0
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0answers
139 views

Installing mailx on Openelec, Raspberry PI

Well I have searched some of the possibilities to install command line mail clients but there are no easy ways to install. Is this even possible without compiling the mail client ?
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2answers
38 views

What's the easiest way to create a pre-built “image” of a Debian/Rasbian host?

I'm playing around with my raspberry pi project and have made a number of customizations to my device OS (simple stuff... configuration files... installed packages... etc). I would like to make a ...
0
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0answers
427 views

How to set up smtp and send emails?

I'm new to raspberry pi. I installed the raspian OS on it. I want to send emails from it using my gmail account. I want to send from the command line interface and from php scripts. I followed this ...
0
votes
2answers
927 views

Can't connect to WLAN with netctl

I can't connect to a WiFi network. I tried various methods such as wpa_supplicant and wicd. At the moment I'm trying netctl. When I enter the command: systemctl --type=service I see the following ...
0
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2answers
366 views

Mainline kernel supported Raspberry Pi competitor? (no GPU needed)

The Raspberry Pi uses its own kernel fork. For a headless server (no GPU needed), is there a device with similar specs, performance-wise, that can use the vanilla mainline kernel from kernel.org?
2
votes
1answer
129 views

Chrony 506 Cannot talk to daemon

I'm having trouble configuring chrony to sync the time between my raspberry pi and a desktop computer in an isolated network. My raspberry pi's chrony.config file looks like this: server master ...
2
votes
1answer
796 views

“No such file or directory” when executing a cross-compiled program on a Raspberry Pi

I recently bought a Raspberry Pi. I already have configured it, and I install a cross compiler for arm on my desktop (amd64). I compiled a simple "hello world" program and then I copy it from my ...
1
vote
1answer
127 views

`cat /dev/ttyACM` loses data when piped through netcat

I'm reading data from /dev/ttyACM0 using cat /dev/ttyACM0 on a Raspberry Pi. The data comes from a device, which sends lines in the form 15.00 1316013 15 where the first number is a value, the ...
1
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1answer
482 views

Fail to install node.js on Debian

I'm running Raspbmc which is running a minimal Linux distribution based on Debian. And I would like to install node.js via package manager but I'm fail to install on my system. Which it come with this ...
1
vote
1answer
118 views

ACL defaults: files vs directories

Default ACLs on a directory are inherited by files and subdirectories created under that directory. It seems a common requirement that by default subdirectories should be executable (i.e. cd-able) ...
0
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2answers
687 views

Creating directory on an external hard drive via command line (SSH) on Linux

I have tried many approaches to create a directory on my external hard drive. Here is the details when I do fdisk -l What I get: pi@raspberrypi:~$ sudo fdisk -l Disk /dev/mmcblk0: 3965 MB, ...
1
vote
1answer
461 views

Capture raw image from V4L (webcam) device

I'm using a Raspberry pi to monitor a self-service fridge. When the door opens, a shell script is being executed to capture pictures until the door closes again. The problem, however, is the speed of ...
1
vote
1answer
73 views

What are the ramifications of recursively chown'ing the directories on an external drive that currently has 501:dialout or root:root permissions?

I have a Raspberry Pi that's running a Raspbmc distribution and I've noticed that a lot of the directories are either owned by the user 501 and the group dialout or both the user and group root. It's ...
2
votes
1answer
115 views

No default output device -9996: playing sound through Django

I'm facing a problem with my Raspberry Pi while playing a sound through a web page. The page is built in with Django and is quite simple: you push on a button and a sound is played (a Python script is ...
1
vote
2answers
394 views

How to write to SD card with dd command?

Having some trouble with writing to my SD card, burning NOOBS (New Out Of Box Software) software to my SD card for Raspberry Pi. Attempted to use the following command as root: # dd bs=1M ...
2
votes
1answer
283 views

Use the raspberry pi as a source of entropy for /dev/random

I'm trying to see if I can use my raspberry pi's hardware RNG as a source of entropy for /dev/random. Mostly to see if I can get it to work and find yet another use for this nifty little device. Of ...
3
votes
1answer
3k views

Using DNSMasq for Local Hostname Resolution

I'm working on setting up a home intranet for me and my roommates. My idea is that we'll be able to store things like past utility bills in a place that's more accessible than a drawer in the kitchen ...
1
vote
2answers
3k views

I always need to ifdown/ifup wlan0 after reboot

I'm trying to create an ad-hoc wifi made of 5 computers (one windows pc and 4 raspberry pi loaded with a raspbian) the raspberry pi will talk through mqtt, but tha'ts not the point. The problem I have ...
5
votes
3answers
1k views

How can I tell if my wifi dongle has access-point capabilities?

I have a Realtek 8191SU USB wifi dongle for use on my Raspberry Pi. I'm trying to set up a wifi access point using this tutorial. However, I'm running into a few errors, and I suspect it might be ...
3
votes
0answers
301 views

How can I connect to my RPi NFS server using version 4?

I've set my Raspberry Pi up as an NFS server, but I cannot connect to it with NFS version 4. However, version 3 works. From my Kubuntu 13.04 client: $ sudo mount -t nfs -o proto=tcp,port=2049,vers=4 ...