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6
votes
3answers
2k views

Would E4rat or Ureadahead speed up the boot process from the SD Card?

I have Arch Linux (ARM). Will it boot faster on my SD card if I use E4rat to pre-load the boot process? Since it's flash based, will it have any difference in boot time? Is there a port to ARM for ...
3
votes
0answers
2k views

Why is there no 'www-data' group by default? [closed]

I just tried to install (and then start) Apache2 HTTPD, but was greeted with the error: apache2: bad group name 'www-data' I quickly checked my /etc/group, and there is no www-data group. I always ...
24
votes
1answer
26k views

How can I set up a print server?

I would like to use my Pi as a print server. My printer is supported by the computer I want to use as a print server. Is it fast enough and has enough for this? How do I setup a print server with the ...
6
votes
1answer
15k views

Forcing DHCP to release and renew and use a reservation?

I am able to ssh into my new RPi. One of the things I like to do to my infrastructure devices is to go ahead and convert their DHCP assignment to a reservation. My router is a CradlePoint Firmware ...
11
votes
3answers
2k views

Using the Pi as a kiosk OR how to get VNC on Pi

I would like to run the Pi as a kiosk that many people can use. The Pi is not quite powerful enough to run the application that I would like. Is there a way to use the Pi just as a display and to ...
8
votes
2answers
15k views

How to mount the EXT4 partition on the SD card from within VirtualBox

I have an SD Card reader built into my Lenovo laptop and I've installed VirtualBox and Debian squeeze to a VM but I can't seem to view the EXT4 partition, or any partition for that matter, on the SD ...
5
votes
3answers
13k views

How do I change the IP settings by mounting the SD card in another computer?

I'm away from a network and unable to use my RPi. I've got a laptop with a SD card reader, would it be possible to mount the SD card in the laptop and configure the ethernet interface on the Pi with a ...
6
votes
2answers
1k views

Kernel panic immediately on a fresh debian SD card

My Pi was working for a while while I tried to set up a wifi dongle, I started getting kernel panics. I thought I might have messed something up so put in a fresh SD card with a fresh Debian image. I ...
14
votes
3answers
4k views

Rebooting the system

I've noticed that rebooting my RPi doesn't work. It just halts and doesn't come back up. To get it back I have to disconnect and reconnect the power. I'm rebooting using the simple command $ sudo ...
30
votes
3answers
35k views

Running Headless - checking boot screen messages

It's fairly easy now to run headless from scratch with a Raspberry Pi. One area that might have an issue though is debugging issues with devices that have been added to the Raspberry Pi. Often you ...
5
votes
1answer
10k views

What would a default xorg.conf look like?

I'm trying to setup Xdmx, which isn't easy. I'm having issues with xinerama and differing colour depths, which can be rectified by change xorg.conf on each of the machines. Of course, these days xorg....
5
votes
0answers
285 views

Backup Image of SD Card [duplicate]

Possible Duplicate: How do I backup my Raspberry Pi? While messing around with my RPi it likely that I'm going to want to revert to a previous position (but not revertingall the way back to the ...
13
votes
3answers
11k views

How do I get my bluetooth keyboard to pair automatically before I log in?

I asked how to install bluetooth, so I can use an existing mouse and keyboard. I was able to get that to work, but the keyboard ceases to function when the GUI is logged out. That means that I still ...
26
votes
4answers
11k views

What qualities should I look for in a small, 7“ or 10” monitor?

Hi, which small small and portable monitors would you suggest to combine with Raspberry Pi. As Raspberry Pi is part of huge range of different project please suggest which would be best in each of ...
12
votes
4answers
56k views

How do I get the data from the serial port?

I have a Ciseco XRF radio module and a Slice of Pi expansion board. Using the program 'screen' works fine; I can see data being transmitted to the XRF module. How do I get the data from the serial ...
13
votes
2answers
30k views

How do I install Bluetooth for my mouse and keyboard?

Can I get step by step directions for installing a generic Bluetooth dongle, so that I can use an existing bluetooth mouse and keyboard? This answer to the question How can I use a bluetooth mouse ...
46
votes
5answers
125k views

How do I install an OS image onto an SD card?

I have just ordered my Raspberry Pi, and I want to prepare my SD card. How do I install an OS image onto an SD card?
22
votes
1answer
519 views

Do I need to buy an SD card with an OS preloaded on it?

I finally got accepted to place a pre-order, and one option to "add" is the OS on the SD card preloaded. Is this needed, or can I download the OS elsewhere? Could I just put on my own version of Linux ...
14
votes
2answers
10k views

Can I use the Raspberry Pi as a second monitor?

I have a desktop running Ubuntu 10.04 (which I should upgrade - I know!), which uses GDM. It currently has 2 screens installed, which are configured using xorg.conf. It includes using xinerama to act ...
23
votes
2answers
3k views

Playstation Emulation

Does anyone know if it is possible to get the PCSXR (Playstation 1) emulator to work on the Raspberry Pi? On both Debian Squeeze and Wheezy, running any game on it with the xvideo plugin just gives. ...
10
votes
3answers
12k views

Adding a second Ethernet port

I would like to start a "Firewall" project. This will require intercepting data on the network processing it and passing it on it way. Has anyone tried (or theorised) how to add a second Ethernet ...
7
votes
1answer
5k views

How do I install lighttpd (lighty) on Debian “squeeze”?

How do I install lighttpd on my Raspberry Pi? I tried running sudo apt-get install lighttpd, which works fine on a regular Debian 'squeeze' installation, but on a Raspberry Pi I get the following ...
24
votes
1answer
6k views

How do I turn on Level 2 (L2) cache?

It has been suggested to me that the L2 cache is turned off by default on the Pi, and that turning it on could improve CPU performance (probably at the expense of GPU performance). I'm keen to explore ...
6
votes
2answers
2k views

Can I use a different filesystem type for the boot partition?

I downloaded the Archlinux arm .img file for the Raspberry Pi and installed it onto my SD card. Is it possible to use a different partition instead of FAT16 that is in the .img? Or will the GPU not ...
15
votes
3answers
6k views

Pi as a RFID Reader

I have a need for a quick and dirty UHF RFID reader. I'm very green when it comes to electronics and have a couple questions: Has someone already done (documented) this? Can a UHF antenna be ...
13
votes
2answers
5k views

Why does python run relatively slowly?

I've been benchmarking the Pi on some of my simulation codes, relative to a couple of laptops I have. My codes tend to be floating point intensive, so I've been using Raspbian (which turns out to be ...
3
votes
0answers
117 views

Are there step by step tutorials for beginners on things like setting up bluetooth or SSH? [duplicate]

Possible Duplicate: Bluetooth keyboard/mouse for surfing internet on my TV Is there a step by step for using a bluetooth keyboard and mouse with RasPi? Or SSH? I've seen the forum posts ...
10
votes
2answers
5k views

Audio over HDMI - hello_audio.bin works but not aplay

I'm having problems getting audio over HDMI working correctly (running ArchARM). I have in my /boot/config.txt: hdmi_drive=2 I compiled hello_audio.bin and ran it with 0 and 1 as args, both work (...
18
votes
3answers
5k views

Can I power a USB SSD/HDD?

I read the power supply should have 0.7A and that RPi by itself requires around 0.4A-0.5A. So, what if I want to connect an external USB SSD/HDD? External SSD can require 0.5A (and maybe more), so ...
7
votes
2answers
2k views

Is it a good idea to mount /var in memory?

Re this answer: https://raspberrypi.stackexchange.com/a/867/339 It is suggested that /var be mounted in memory, so to avoid causing your root partition to fill accidentally. I've got a couple of ...
7
votes
6answers
2k views

Non web-based Twitter Client?

Can anybody point me to a twitter client for the Raspberry Pi? I'd like to use this for an event that I will be doing IT for. The idea is to have an unattended Rpi hooked up to a projector which will ...
15
votes
4answers
14k views

Raspberry Pi fails to turn on

I have a problem with my Raspberry Pi. When I plug in the power, the device fails to power on. The POWER LED turns on, but nothing else happens. My display still says No signal, the OK LED does not ...
38
votes
5answers
49k views

What do system LEDs signify?

There are 5 status LEDs on the Raspberry Pi board. While I can guess what the POWER LED signifies (the power being attached), I am not sure about other four. So, what do OK, FDX, LNK and 10M signify?
10
votes
1answer
1k views

Why do I always have to run apt-get update twice? Or do I?

Every time I run apt-get update, I get the following message (the exact duplicate package is different depending on the last entry in sources.list): W: Duplicate sources.list entry http://ftp.uk....
12
votes
2answers
1k views

Where is the rest of my sd card?

I'm using a 4GB SD card, formatted from a Windows PC with the Debian image. Here's the output of df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 94M 0 94M ...
12
votes
3answers
2k views

I completely filled up my SD card - have I broken my Raspberry Pi?

I was downloading a file while connecting over ssh using wget. The download failed: Cannot write to `serviio-0.6.2-linux.tar.gz' (No space left on device). pi@raspberrypi:~$ Write failed: Connection ...
20
votes
2answers
14k views

How do I transfer my setup between SD cards?

I started out with a 2GB SD card, but I'm finding this a bit cosy, so I've bought a 16GB card to replace it. With a single Pi, can I transfer all my work between the cards, or do I need to start from ...
4
votes
1answer
6k views

Can the Raspberry Pi handle Serviio? If not, is there something equivalent that will work?

Currently I have Serviio running on my computer to serve media files to our TV. I'd like to run this from my Pi instead, is this going to work? If not, is there another application that's comparable ...
28
votes
3answers
14k views

Is it possible to update, upgrade and install software before flashing an image?

It seems silly to use our limited SD write cycles to upgrade the software shipped on the images. Can we upgrade the software and install new software before flashing an image to the SD card?
15
votes
3answers
9k views

Powering from my PC's USB 3.0 port

The specs for my PC's motherboard don't mention any upper or lower limit for its built-in USB 3.0 ports. What is the minimum current that any (standards compliant) built-in USB 3.0 port should be ...
56
votes
5answers
144k views

Connect Pi to an old laptop screen

So I recently received my Pi in the post and I'm now trying to think what to use it for. I've had a look around and I quite like the idea of attaching a screen to it and using it as an RSS Reader/...
13
votes
1answer
15k views

How can I find out if my webcam is compatible? [duplicate]

Possible Duplicate: Can I use a USB webcam? Is there an official or other list of webcams that have been tested on the RPi?
48
votes
5answers
49k views

Why is the CPU sometimes referred to as BCM2708, sometimes BCM2835?

I've seen the System on Chip of Raspberry Pi referred to usually as "BCM2835" (e.g. on Wikipedia), but sometimes as "BCM2708" (e.g. sources for Linux SPI driver are in bcm2708.c, or in comments to my ...
5
votes
1answer
365 views

Updating a configured RPi - effects on configurations and settings etc

Suppose I've spent a bit of time configuring an RPi just the way I want, but then I need to make updates, both to the distro and to the installed software. In this question, how to update is covered: ...
11
votes
1answer
4k views

What type of micro-USB is used?

From previous experience I've discovered there are quite a few different types of micro-USB connectors. Here are three main ones: I'm pretty sure it's not the middle one; and I think it's the left ...
13
votes
1answer
14k views

Raspberry Pi as a Linux firewall?

Can I use the Raspberry Pi as a Linux firewall? Can anyone tell me the best way of doing this? Including network connection details and hardware I may need.
29
votes
3answers
68k views

How can I use a bluetooth mouse and keyboard?

I have a spare Mac keyboard that I'd like to use with my Raspberry Pi when it's plugged into my TV, so that I can use it for surfing internet on my TV. Has anyone got a working configuration with a ...
15
votes
8answers
16k views

Is there an IDE I could use to edit code from a personal computer over the network in real time?

I know it's possible to use FTP and various version control systems to upload or commit code developed on a full computer to the Raspberry Pi. Another possibility would be to simply use SSH and Vim (...
10
votes
1answer
5k views

How do I install distcc?

I have read How to build a GCC 4.7 toolchain for cross-compiling? and have successfully built a simple test program that works on my RPi. To do this, I had to run arm-unknown-linux-gnueabi-gcc hello....
32
votes
4answers
42k views

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? ...

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