Raspberry Pi Stack Exchange
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1500 questions
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10 answers

Can you run pfsense on a Raspberry Pi 3?

Is it possible to run pfsense on a Raspberry PI 3? They have an embedded version that runs Nano BSD.
leeand00
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3 answers

Why is a resistor needed for LEDs?

While looking for a basic task to get familiar with the Raspberry Pi and its GPIO pins, I decided that driving an LED sounded simple enough. While investigating how to go about this task I've noticed that most instructions indicate to place a…
Jason Whitehorn
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36
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5 answers

How could one automate the raspbian raspi-config setup?

I have found myself repeatedly setting up all my pi's with raspbian in pretty much the same manner using raspi-config. Is there a way to extract all the settings that I've made using raspi-config into an executable script that I could download with…
8DH
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36
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2 answers

USB card as my default Audio Device

I purchased a small USB sound card. My Pi recognizes the device: $ lsusb Bus 001 Device 004: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio Controller If I run alsamixer and set the audio to USB PnP Sound Device, I can hear audio through the…
PhillyNJ
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36
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2 answers

Building Wireless Drivers for Edimax Wireless USB: EW-7811UN

I've been trying on and off for days to build the module for my USB wireless device. It is an Edimax EW-7811UN I've found several resources on building modules for Debian, but none for Arch. Currently I am attempting to cross-compile using the…
Jivings
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36
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4 answers

What is the highest performing hardware configuration?

I know that exact benchmark numbers will vary between manufacturers, but in general if you only consider higher end flash drives, SD cards, and USB HDDs and your Raspberry Pi is connected to a network via an ethernet switch what is the fastest…
Dan B
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36
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4 answers

What cameras can I connect to the CSI connector?

The model B comes with a MIPI Camera Serial Interface connector, but it's hard to find a store that'll sell you a chip or camera to interface with it. The only thing I've found so far is the the product brief for a HDMI-CSI converter by Toshiba, but…
je4d
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35
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1 answer

"Resource busy" error when using `dd` to copy disk img to SD card

I've downloaded Raspbian wheezy from the Raspberry Pi downloads page and following the RPi Easy SD Card Setup wiki page. I formatted the SD card, and cded into the folder containing the Raspbian img file, but when I run sudo dd…
3cheesewheel
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35
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3 answers

Disable LAN9512

The LAN9512 is the hardware device which controls Ethernet and USB ports. This chip consumes almost 200mA, and it will be very useful to disable it to save energy when I don't need USB or Ethernet. The LAN9512 datasheet explains some states of the…
aleixrocks
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35
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4 answers

How do I load a module at boot time?

As stated in Why is my Audio (Sound) Output not working?, to initialise the sound driver, you must run sudo modprobe snd_bcm2835 every time you want to output sound. How do I get this to run on boot? (i.e. before logging in and without any input)
Alex Chamberlain
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35
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8 answers

I failed to remote connect to Raspberry Pi 3 from Ubuntu

I just bought raspberry pi 3 with Rapbian Jessi with Pixel and I have a Lenovo laptop with Ubuntu 14.04 64 bit on it. I want to remote connect to it from my laptop. I enabled the VNC server on Raspberry Pi and I tried to connect to it from either…
aibrahim
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35
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8 answers

Shutting down the Pi safely without SSH or a monitor?

My Pi is currently not responding to SSH, and the only HDMI monitor I have is a large TV several meters away. I've heard bad things about unplugging it, but do I have any other option? Currently running headless raspbian, maybe I could connect a…
vpzomtrrfrt
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35
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3 answers

Sharing the Pi's WiFi connection through the Ethernet port

I have a pi running the latest release of raspbian and it's connected to the Internet using a wireless USB dongle. What I would like to do, is to share the pi's wifi connection so that any computer connected to the pi using a LAN cable would be able…
user47488
35
votes
4 answers

How to login as root remotely?

I am trying to login to the raspberrypi as root user via winscp, but it only says "Access denied", same thing for trying to login directly as root on ssh. I have tried loging in as pi and doing sudo passwd root, which results in the console output…
d0min0r4bb1t
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35
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7 answers

Get CPU and GPU usage on Raspberry Pi

I am trying to figure out a good split for the CPU/GPU. Is there a way to monitor the CPU and GPU usage to see where I should make the split?
Scoop
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