Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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1500 questions
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3 answers

How to get PulseAudio running?

I would like to use my Raspberry Pi as an PulseAudio sink that can play audio via the network. For starters I want to get Pulseaudio running locally and have run into various errors. I am using the recommended Debian image. What is the best…
Bengt
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10 answers

Detect that a python program is running on the pi

I've got a python script that uses sys.platform.startswith('linux') to test if it is on linux or not, but then I can't tell the difference between the x86/64 processor, and the raspberry pi's ARM processor. The reason I need this, is to run an…
jnesselr
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37
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7 answers

How can I run Java software?

What is the best way to run Java code on the RP? Does installing the OpenJDK from the Debian/Fedora repos work OK? Are there tweaks one should use for improved performance? Also, is there a "light weight" JVM available for the RP which runs…
Darren Wilkinson
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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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37
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7 answers

Kernel panic-not syncing: VFS: unable to mount root fs on unknown- block(179,6) running Raspbian on top of NOOBS

When booting, the sequence stops at the following: Kernel panic-not syncing: VFS: unable to mount root fs on unknown-block(179,6) What can I do to get my Raspberry Pi 2 to boot again using the existing Raspbian installation, as it contains many…
Vlad Schnakovszki
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37
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3 answers

Alternatives to Raspberry PI

I know this question may have been asked before. I just want to know if there are any alternatives to the Raspberry Pi. I want to use it as an XMBC station, but the reviews tell me that it's a bit buggy as of now. The video forwarding and the…
tinyhook
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37
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14 answers

Is there a serious alternative to the Raspberry Pi that includes Gigabit Ethernet?

While there are a lot of alternatives (many of them mentioned here) to the Raspberry Pi, only a few of them sport Gigabit Ethernet. But what's worse, upon a closer look none of them are a real alternative, having one or more of the following…
Roman
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36
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3 answers

Access point as WiFi router/repeater, optional with bridge

I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi either by wifi or by wired ethernet should have…
Ingo
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36
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4 answers

Using Raspberry Pi without a Linux OS?

I'm interested in using the Raspberry Pi as a pure embedded CPU unit, for the development of embedded applications. Since the Raspberry Pi has a powerful CPU with quite a bit of memory, it makes an excellent embedded board. Is it possible to use the…
FarhadA
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36
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15 answers

Raspberry Pi 3 - eth0 wrongfully named 'enx...'

My new RPi 3 device (yay) recently booted up with a deactivated ethernet. So i watched /etc/networks/interfaces and saw the line: auto eth0 iface eth0 inet dhcp Calling ifup eth0 unfortunately gave the following message: eth0 No such device No…
Tom Siwik
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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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8 answers

Will any external battery power a Raspberry Pi?

I am working on a project that needs the Raspberry Pi to work without a mains connection. I have considered buying a 50000mAh USB power bank. Would this power a Raspberry Pi, and if so, would it power it for more than 24 hours?
Joel
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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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