Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
1
vote
1answer
20 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
37 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
0answers
32 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
55 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
27 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
votes
0answers
22 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
votes
0answers
28 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 ?
2
votes
2answers
25 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
votes
0answers
94 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
94 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
votes
2answers
103 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
20 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
...
1
vote
1answer
95 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
62 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
vote
1answer
200 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
53 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
votes
2answers
83 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
200 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
38 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
51 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
122 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
154 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 ...
2
votes
1answer
465 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
1answer
511 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 ...
4
votes
2answers
217 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 ...
2
votes
0answers
126 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 ...
0
votes
2answers
229 views
What is wrong with my cron job?
I'm new to linux, and was told I could use a feature called cron job to run a python script I made execute every 10 minutes. Problem is the the python script isn't running. There doesn't seem to be a ...
1
vote
0answers
304 views
Bittorrent Sync Autostart as a Service
I'm running a raspberry pi with the latest raspbian (debian) on it.
I've installed btsync. Now I want to run Bittorrent Sync, when the system boots, not only when somebody logs in.
Do I have to run ...
1
vote
2answers
227 views
$PATH not modified inside LXDE on Raspbian
I have a bin directory in home/pi. This is added to my $PATH when I login (by .profile), but when I go into LXDE and use LXTerminal my bin directory is no longer added to $PATH.
0
votes
0answers
183 views
Permission Denied (PublicKey,keyboard-interactive) linux raspberry pi
I know there are a ton of questions on this.
I have read almost all of them.
I have also googled this problem to no avail
I attempted to
git clone [email protected]:myhubname.git
and I get
...
1
vote
2answers
111 views
omxplayer on different screen
I'd like to have two instnces of omxplayer and switch between them.
I'm using raspian on raspberry pi.
I've tried opening one instance in one screen, and then press alt+ctrl+f2 to switch to the ...
2
votes
0answers
212 views
How do I reset a USB device using a script?
I have a USB GSM modem that does not alwasys work property (Huawei E367u-2)
Sometimes it gets reset (USB device disconnect/reconnect in logs) and when it comes back up, it's has different ttyUSB ...
0
votes
2answers
54 views
getting a gui program to start on boot
I have a C program I wrote for debian on the raspberry pi that asks the user to enter a number, 1-4 which it then stores in a configuration file. This only happens if the configuration file is ...
1
vote
1answer
384 views
Pimp rsyslogd to have less i/o (cron, pam,…) and less logging
On my raspberry I really don't need crons and pam logging and I want to have less i/o to make the SD card life a little longer..
I have already removed cron with the second line cron.none,
I'm ...
0
votes
1answer
198 views
LIRC does not start after reboot
If I compile LIRC with this patched lirc followed by install using make install it works fine and launches without any error. However, after a reboot the same command fails with following error :
...
2
votes
1answer
44 views
Controlling process priorities
I have recently started trying to control stepper motors with the Raspberry Pi.
I have succeeded in getting motion. The problem I am having though is that it seems the stepper motor is missing steps ...
7
votes
2answers
591 views
Optimizing a `while` loop
I have created a mini script to reboot my Raspberry Pi upon the push of a button. The script simply uses wiringPi (gpio command) to set pin 0 (pin 17 in Raspberry Pi standard numbering order) to ...
2
votes
2answers
2k views
Run a sudo (or startup) python script from cron on a Raspberry Pi?
I'm helping out with an art project (http://stargateeggbeater.com/ for those interested) built on Raspberry Pi. The RPi controls an addressable LED strip through the GPIO, using the spidev device per ...
3
votes
2answers
100 views
Mount harddrive under different name?
When I plug a external HDD into my Rasberry Pi (running Raspbian) it automatically mounts as
/media/2ad496774-3eb8-47bb-2bf5e-788f8eb89e54
where folder underneath it are then accessible by going
...
4
votes
1answer
118 views
How Can I Automate the Change between a Python Script and a Nohup Python Script?
I have a Raspberry Pi connected to a digital temperature probe, which measures my fermenting beer. A python script reads the temperature every second and prints it to the console, and stores it in a ...
3
votes
1answer
397 views
Streaming music to a raspberry pi
I have a laptop and a raspberry pi connected to a soundsystem via the jack output. I'd like to have the output of the soundcard of my laptop redirected to the raspberry through my local network. I ...
2
votes
1answer
54 views
Can connect from RPi to laptop, but not other way around
I'm developing a server-client application (command-line based) in Java. I want to run it on my Raspberry Pi (RPi), but it turns out I can't login to my server-part from my laptop. The problem is that ...
8
votes
1answer
238 views
RasPi - USB microphone locks up
On my RasPi board, Debian Linux, the USB microphone occasionally gets locked up such that nothing can use it. The microphone has a LED which is usually flashing, when it's locked, it turns off.
The ...
0
votes
3answers
1k views
Trying to open a browser on startup on my Raspberry Pi
I have Raspbian running on my Raspberry Pi, and I want to have a browser appear when it starts up. I am able to open a Midori window to the right page on start up, but my problem is that I receive a ...
1
vote
1answer
918 views
Stream Video using Netcat and VLC
I'm trying to use netcat on Linux server to stream video to my windows client using VLC
I started running netcat on Linux:
cat /media/HD1/myMovie.mkv | nc -l 8668
In VLC Windows Client I tried ...
2
votes
0answers
114 views
npm issues with uglify-js
I'm trying to use node.js to run a project on my Raspberry Pi (following this guide: http://blog.donaldderek.com/2013/06/build-your-own-google-tv-using-raspberrypi-nodejs-and-socket-io/ ) and I've run ...
1
vote
0answers
191 views
Raspberry PI wifi network setup: switch adhoc mode if a wired/wifi network is unavailable
I'm using raspbian (debian) and I want the system would be able to always be reachable through the network, without the user needs to manually interact with the system. I'm looking for a solution that ...
0
votes
0answers
120 views
Why my raspberry pi can't connect to the wireless network？
I run the command wifi-menu in my archARM system ,and it already found the Wi-Fi hotspot, but the the connection failed.
Here's a photo:
note: I use the EDUP EP-N8508GS USB ...
1
vote
1answer
146 views
No bluez device after pactl list sources short
I am using pulseaudio on a Raspberry Debian (Wheezy) but my bt-headset(Iqua BHS-611) does not show up in sources or sinks.
What I did:
I followed the Raspbian Wheezy Installation Guide at: ...
2
votes
1answer
57 views
How-to diff distributions?
I am using a Raspberry Pi.
There seem to be all kinds of linux distributions, all in .img Format that I use Win32DiskImager for to burn to SD-card.
How do I find out, which files were changed(some ...
