Questions tagged [raspbian]

Raspbian is a family of GNU/Linux operating systems derived from Debian. Version numbering follows that of Debian and the current stable is 10 (Buster). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own customised images.

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1answer
19k views

How to add to PATH in raspbian?

I'm using composer to install development tools in raspbian. How do I add ~/.composer/vendor/bin to the PATH so I can accessed installed packages from composer in raspbian? I tried adding to ~/....
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2answers
669 views

Can't find the files that fill up my Rasbian SD Card

df -h gives me the following Filesystem Size Used Avail Use% Mounted on rootfs 15G 14G 457M 97% / /dev/root 15G 14G 457M 97% / devtmpfs 211M 0 211M 0% /...
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1answer
3k views

How to set up Octave 3.8

I know getting Octave 3.6.2 is simply done by sudo apt-get install octave however for the matlab file I am trying to run requires Octave 3.8. The only help installing it that I've seen shows how to ...
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1answer
324 views

Can access internet but cannot ping

I am trying to clone the mono repository from github. I used sudo git clone git://github.com/mono/mono.git but the operation timed out. I then decided to test my connection using ping github.com ...
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4answers
7k views

RPi can't get IP address

my RPi using Raspian, connected to a switch using DHCP, and I remote it by SSH. the first time I found RPI's IP by switch IP table and accessed successfully , but after reboot, I can't connect to my ...
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3answers
350 views

How to power up raspberry pi with batteries?

Anyone here who has powered raspberry pi with batteries like lipo or alkaline batteries? I need to know how to do it.
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1answer
3k views

LS_COLORS from Raspbian to Debian

this is more a question about fashion than functionality. I really like the way the bash is colored by default in Raspbian, I find it very helpful and pleasant to the eyes. That being said, I also run ...
2
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1answer
6k views

Connecting Raspberry Pi to WiFi from command line

Does anyone know how to set LXDE to move the mouse cursor with NUMPAD keys? I've tried all combinations of CTRL + ALT + SHIFT keys that I can think of as well as toggling NumLock setting with SHIFT + ...
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1answer
461 views

id 1 respawning too fast

I have a really bad problem with my pi, when I'm booting I'm getting the error "Id 1 respawning too fast, disabled for 5 minutes" I know the error, it's a syntax error in the inittab file, but I don'...
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1answer
1k views

Raspbian boot issue after script installed

I have installed Raspbian from NOOBS onto Raspberry Pi. The RPi booted fine until I tried to install a program. Now I think it is trying to run a script on boot-up which is causing it to fail. If I ...
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1answer
2k views

Can´t upload data via SFTP

I tried to upload a folder on my Raspberry Pi using Cyberduck SFTP, this has ALWAYS worked for me, but now it doesn´t I have no idea why. Thank you in advance.
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3answers
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Adafruit I2C Library Problem?

I'm having trouble compiling the python from an example in the library. https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/blob/master/Adafruit_ADS1x15/ads1x15_ex_singleended.py I ...
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2answers
1k views

do I require a potentiometer

I am trying out online tutorial to practice python and raspberry pi. I am currently following this tutorial: http://learn.adafruit.com/drive-a-16x2-lcd-directly-with-a-raspberry-pi/wiring It says a ...
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1answer
82k views

“connect: Network is unreachable” on a working (connected) wlan0 interface

I finally managed to make wlan0 (an Edimax EW-7811Un USB WiFi dongle) connect to my router, but after an apt-get update I discovered that the Raspberry can't see outside the local network. My ...
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0answers
1k views

Network is unreachable on rpi-update

I have been following the rpi-update tutorial for my firmware update since i got errors in using picamera module for video recording, and a little search around suggested updating the firmware. Guide ...
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3answers
8k views

C and C++ Library and where is it located actually?

I'm trying to understand a few simple blocks about programming the Raspberry Pi. My questions are as follows.... I've worked on a number of micro-controllers out there and have always used their ...
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0answers
2k views

php $_FILE doesn't work

I followed all the steps from tutorial WikiHow - Guide to install PHP I can execute normal php commands, but can't upload files using $_FILE command.It always gives me error. My File uploading ...
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1answer
7k views

Spin down idle hard drive

I use raspbian and am looking for a way to connect an ~old seagate 500GB usb (externally powered) hard drive so I can store my movies etc on it. But obviously, there may be large amounts of time ...
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2answers
17k views

Raspberry Pi OpenVPN Client Speed Bottleneck

I'm using an OpenVPN client on my RPI to tunnel traffic from clients in my LAN. Everything is stable, but the speed is terribly slow and I can't figure out what the bottleneck is. I have a VDSL line ...
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2answers
4k views

Raspberry motion getting killed every morning and evening

This is the weirdest problem I have ever ever faced! I am using Raspberry PI (running Raspbian Wheezy) with Logitech C310 webcam for home monitoring, with motion detection and recording enabled. It ...
3
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2answers
866 views

SD Card No Memory

I bought a Raspberry Pi Starter kit online (and it came with a sd card), and had it running Raspbian. I then went and installed Rasbmc on it and I corrupted my SD Card. I wiped it clear and then ...
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1answer
4k views

Raspbian + XBMC YouTube will not play

XBMC will not play some YouTube HD videos properly. As far as I can tell it works for SD videos. I already tried adding start_x=1 to the /boot/config.txt file, as this seems to have helped some ...
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0answers
2k views

Unable to control 5V LED strips

Using this addressable LED strip: WS2801 Led Full Color character string matrix screen point source 12mm 5V WS2801 IC Chip, Addressable Color, need for controller. Identify IC every led light, Red- ...
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2answers
69k views

Watch YouTube in Browser with Raspbian

What is the easiest way to watch YouTube in a web browser when using Raspbian? I tried using something called PiVid with Chromium, but videos never played (despite it otherwise working as described ...
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1answer
99 views

How to close a relay contact at the same time every day using GPIO

I want to close a relay contact automatically every day at 2 AM local time for 2 seconds, and then open. I can do this manually right now, but want to know where I should put the commands to do this ...
2
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1answer
1k views

Cannot delete file created using bash script

I'm having a problem with file permissions... Iv'e got a python program to automatically take pictures using fswebcam (by running a bash script using subprocess.call). however when i try to delete ...
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2answers
7k views

Capturing serial number of 2 USB RFID Reader in python (PI+2 RFID (Mifire RFID))

I've tried several programs to capture the serial number of 2 USB RFID Reader. I use 2 Mifire RFID (named RFID A & RFID B) and they connected to my Raspberry Pi. I want the Raspberry Pi ...
6
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6answers
14k views

Using one Raspi to control long (>100ft) of 5V LED strip

I am using the below LED strip for accent lighting 5M WS2801 Blcak PCB 32LED 5050 RGB Digital LED Strip Individually Addressable 5V item: nonwaterproof black pcb ws2801 led strips Model: 5050RGB ...
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2answers
880 views

LED strip has R-G-B instead of DI and CI

I went and bought an LED strip which has the following labels +V R G B How does this correspond to another naming scheme I have seen which looks like so: GND DI CI +5V I could use this tutorial, ...
8
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1answer
9k views

Can I set the desktop to automatically lock the screen after a specified duration of inactivity?

I have installed a screensaver (slock) so that when I click on the screenlock icon in the lower right-hand corner of the desktop, the desktop locks out until I enter my password. I would like to take ...
3
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2answers
9k views

raspberry pi hangs after 2-3 days of continous use

I am using latest the Raspbian Wheezy release with kernel 3.10. I am running four Python programs 24 hours/day on the Raspberry Pi. Three programs out of four are like background services, which ...
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6answers
9k views

My Windows share will not mount during boot

I've added a line to /etc/fstab to automatically mount a Windows share on boot. I have tested it using sudo mount -a and the mount shows up correctly and I'm able to access it as expected. However, ...
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2answers
1k views

Can a raspberry pi accept input data if the input voltage is 42 mv when is required is 3.3v?

Im following this website using a different sensor and my output is too low for the GPIO so i don't know whether it effects anything as the program could not work.Can a raspberry pi accept input data ...
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1answer
2k views

How to use photoelectronic sensor (keyence PZ2-42) with Raspberry Pi

I want to use the photoelectronic with the Raspberry Pi for a micromouse maze. Using sensors to detect the presence of micromouse at specific locations. I was given all this from my father since he'...
4
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2answers
13k views

Automatic boot and shutdown

I have a Raspberry Pi model B running Raspbian. I mainly use it as a web server for development. Because there is no reason to keep it running all night, I was wondering if there is a way to ...
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1answer
1k views

Hamachi Installation Fails

I'm trying to install hamachi on my Raspberry Pi. I had it installed previously but had to wipe the card after a failed update so here I am again. Every time I run the install script it fails. See ...
5
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2answers
24k views

How to run a script (Node.js) at startup [duplicate]

I've bee reading about running scripts at startup since last weak with no results. I just need to run an application located on my home (/home/pi) at startup (unattended). I tried creating a script at ...
0
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2answers
1k views

How to crypt a specific folder in raspbian?

I wrote a bit of php code in my r-pi on which I installed raspbian. I would like know to protect this code from the possibility to being copied or read. I looking for a solution that crypt my ...
3
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2answers
1k views

I can't connect to my Raspberry Pi until I curl to the connecting device

I have seen other questions on this board that are similar but I haven't seen an answer that works for me. I have a Raspberry Pi setup so that it can talk to the wireless lan. I am on an Airport ...
3
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2answers
15k views

What is the devtmpfs filesystem and how to shrink it?

I run a very small Raspbian installation off a 1GB SD card. I discovered devtmpfs uses 20% of all space. Output of df -h: Filesystem Size Used Avail Use% Mounted on rootfs 788M 690M ...
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1answer
192 views

Building ruby on a Raspberry “mini distro”

I installed this little disk image on a 1GB SD card. I would like to run ruby within this system, which is not installed yet. I decided to use rbenv instead of RVM (I have my reasons). My ...
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1answer
2k views

Raspberry pi hangs on boot

My 512MB Raspberry Pi Model B Project Board keeps getting stuck. It starts loading and gets stuck on USB port detected. I was waiting 10 minutes after this happened, and nothing changed. Any help ...
3
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1answer
5k views

ALSA volume lower after reboot

My ALSA sound volume gets mysteriously reset every time I do a reboot. I set the default ALSA volume to 100% with amixer cset numid=3 100%. Then I do a reboot and check my amixer volume again and ...
3
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1answer
1k views

Why does LXDE log-out take me to a slightly different desktop?

I have a headless Raspbian installation, configured to boot directly to the graphical desktop. If I VNC into it, I have an option to "log out," presumably of LXDE. When I click this button and confirm ...
0
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1answer
865 views

Using android phone as router to use RasPi by RDPDesk

I've set up my Pi to work on my home router, so that I can access it headlessly by using RDPDesk on my laptop. I've done this by entering the ssid and key of the network in /etc/wpa_supplicant/...
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0answers
1k views

Wifi adhoc network creation

I am trying to create wifi Ad-hoc network/ Hotspot in pi but no success. I tried from following links novitiate.co.uk/?p=183 lcdev.dk/2012/11/18/raspberry-pi-tutorial-connect-to-wifi-or-create-an-...
6
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3answers
21k views

Using rsync to backup Pi

I decided to implement a rsync strategy similar to that suggested by @goldilocks https://raspberrypi.stackexchange.com/a/5492/8697 BACKGROUND I have a Pi, which is mainly used headless via ssh or VNC....
3
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2answers
918 views

Not working: EDUP EP-N8508GS on Raspbian (Wheezy 2014-01-07) with wpa_gui

First of all, I am sorry about my English. I used the current last version of NOOBS (1.3.4) to install Raspbian (I guess that it installed the last version of Raspbian, the same as 2014-01-07-wheezy-...
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2answers
3k views

nat in the iptables is not recognized

I am trying to set up my Raspberry Pi as a Man In The Middle device to monitor devices on my home network. When I try to forward port 80 to port 8080 (to allow the webpage to be loaded on the device) ...
1
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2answers
2k views

Can I use video and HDMI output at the same time?

I've got my Raspberry Pi to work as a torrentbox and mediacenter AIO. Can I hook up the HDMI to my beamer and the RCA output to my TV? I guessing I cannot since it's an analog signal and a digital ...

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