Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/

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15
votes
4answers
21k views

can I display a JPG or PNG to the framebuffer (/dev/fb*)?

I know I can capture the framebuffer in linux using something like cp /dev/fb0 ~/myimage and re-display that by coping back to the device like so cp ~/myimage /dev/fb0. What format is the framebuffer ...
14
votes
5answers
18k views

Wired to wireless bridge in Linux

I am attempting to set up my Raspberry Pi as a bridge, using Debian wheezy. I have a hostapd.conf: (some details changed for security, and yes, I know WEP is no good)... interface=wlan0 bridge=br0 ...
13
votes
3answers
20k views

Force spin-down of external hard-drive on linux (raspberry pi)

I'm currently setting up a home-server using a Raspberry Pi with an external hard-disk connected via usb. However, my hard-drive will never spin down when being idle. I tried already the hints ...
12
votes
1answer
11k views

How to share a folder as an USB mass storage device (from a raspberry pi)

I'd like to do something quite simple ... in my mind. I've got an "old" photo frame with an usb port and SD card slot (but without networking) that I would like to keep in sync with my NAS "Photo ...
11
votes
3answers
34k views

How do I auto mount a USB drive that all users can write to?

I'm trying to set up a Raspberry Pi to run BitTorrent Sync to back up my files to an external hard drive, but I'm running into some frustrating issues. First, I need to set up the USB hard drive to ...
10
votes
1answer
53k views

Starting and stopping X11 and LXDE from command line

I have a Raspberry Pi with Debian Wheezy (Raspbian) and so far I've managed to learn quite a lot about Linux just playing around, but I have a few questions for all you seasoned Linux pros out there. ...
9
votes
7answers
4k views

Is there a Linux distro that will easily run “embedded style” on a Raspberry Pi? [closed]

I need a Linux distro that will give me the following: Run on a Raspberry Pi Can reliably survive power loss (like via a read-only filesystem) I've been able to hunt down some documentation on how ...
9
votes
0answers
112 views

Show password characters when logging in to Linux

I am setting up a long-range wireless serial terminal (with a pair of XBees, if anyone is wondering) connected to my Linux box. It's going great, but sometimes a keystroke doesn't go through. This ...
8
votes
2answers
18k views

Can I use dd to clone a larger SD card to a smaller SD card if the actual partitions will fit?

I have a 16GB SD card that has a few partitions on it (it's actually the card for a Raspberry Pi). I have several other 4GB cards that I want to clone the primary card to. The 3 partitions on the ...
8
votes
2answers
13k views

Does the Raspberry PI support WOL (Wake-on-LAN)?

I've been contemplating running a Raspberry PI as a carputer. One thing I'm really interested in is whether I could get it to Wake-On-Lan. My thinking is that I'd like to wake the device up before I ...
7
votes
4answers
15k views

Using a Raspberry Pi as a VPN?

So I'm sure many of you have heard of the new Raspberry Pi project. I was looking at messing around with Model B, which has the following relevant specs: Broadcom BCM2835 700MHz ARM1176JZFS ...
7
votes
3answers
29k views

How to tell which services run at startup on Raspberry Pi? (raspbian)

I have some services that run on boot but I've actually forgotten how I set them up! If I want to change their activity how might I do that? For instance, maybe I want to disable a service from ...
6
votes
3answers
783 views

How can computers figure out the current minute, but not hour/year?

Staring at my Raspberry PI, I can see that the devices clock is going wrong - an error that you can find on many computers. However, even though the month and hour is wrong; the minutes are still ...
6
votes
4answers
12k views

alsa-base.conf missing in new Raspberry Pi Raspbian Jesse

I'm trying to make my Pi use an external USB sound card as a default. All tutorials are telling me to edit /etc/modprobe.d/alsa-base.conf However the version of Raspbian I have (pretty new build, I ...
6
votes
1answer
6k views

How much space does Raspbian use?

I can't find any info about how much space Raspbian uses. I have checked the wikipedia article about it and the official FAQ.
6
votes
1answer
14k views

How to run a DHCP server on an ethernet port of a MacBook successfully?

I aim to have an ethernet switch on my MacBook ethernet port from which I will have several Raspberry Pi's connected getting their IP via DHCP, each will have a VNC server running on them for remote ...
6
votes
1answer
689 views

Can't set up ad-hoc network (raspberry pi)

Question: How do I manually set my Cell Id? I have tried the following code sudo iwconfig wlan0 ap 02:12:34:56:78:9a but it randomly resets the Cell Id to a different value. I am trying to create a ...
5
votes
2answers
2k views

How to find Raspberry Pi on Network

I have a Raspberry Pi connected to the Internet via LAN or via wireless. How do I scan my local network for its IP address so I can SSH into it? While I can just connect it to a monitor and manually ...
5
votes
1answer
6k views

Why does a Raspberry Pi require a key to playback MPEG2 content?

I was reading here and the article said that linux distros often use free versions of MPEG2. On my Raspberry Pi, however, I had to purchase a license to achieve playback of some of my files. I never ...
5
votes
1answer
7k views

How can I run lightdm on Xvfb on a Raspberry Pi?

I've got a Raspberry Pi and I'm using it as a headless server. But I want to run X on it. It comes with lightdm, and if you run it using the included HDMI or video out it works, and I can use that and ...
5
votes
2answers
61k views

How do I set DNS Servers on Raspberry Pi?

I want my Raspberry Pi to use OpenDNS to resolve domain names. How can I modify this setting?
5
votes
1answer
884 views

Mirroring ~1.8TB of individual files using lftp, what would be the fastest way?

I've stared mirroring the files and directories on an FTP server to my external HDD using my Raspberry Pi so I can leave the downloads running 24/7. What I did to start the download was: lftp ...
5
votes
1answer
1k views

Redirect physical keyboard input to SSH

I'm having a raspberry pi running debian linux and I have an RFID reader connected to it. The RFID reader behaves like a keyboard. Every time I scan a tag it types then number of the tag and then ...
5
votes
2answers
19k views

Which Allocation Unit Size do I have to choose for my SDHC card?

I'm formatting my SDHC 4GB card before putting an OS on it for my Raspberry Pi. It says "allocation unit size" 32 KB and gives me options of up to 1024 MB. What do I do about that?
5
votes
3answers
20k views

Raspberry pi cannot ping router or internet addresses over wifi bridge

I recently set up a WNR2000v3 router running DD-WRT as a sort of repeater bridge using the "Atheros" version of this tutorial (we'll call this 'router 2'), which is repeating a Medialink Wireless-N ...
4
votes
2answers
5k views

How can I access my mini-pc (RaspberryPi / MK802 / Mele A1000 / VIA APC) via ethernet/wifi without having Monitor?

Soon I will be getting my own mini-PC (RaspberryPi / MK802 / Mele A1000 / VIA APC). But I was wondering whether is there any possibility that I can just power up and access my mini-pc's OS by ...
4
votes
1answer
6k views

Debian eth0 to wlan0 forwarding, with openvpn

I'm using "raspian" (Debian for the raspberry pi), and would like the raspberry-pi to serve internet access through eth0, using wlan0. The catch here is that while wlan0 is connected to my router, I'd ...
4
votes
2answers
3k views

Debian ARM and Brother DCP195C with CUPS

I want to have acces to my DCP 195C printer (Brother) over LAN. For this purpose I have bought an raspberry pi and installed CUPS on it. CUPS runs fine and everything else is running smooth as well. ...
4
votes
1answer
18k views

Change owncloud data directory to an external drive

Owncloud 5.0.9 is installed on my raspberry pi and is working flawlessly. But since my raspberry pi hasn't much space, I wanted to move the data directory on an external drive. I have a 1,5GB ...
4
votes
2answers
8k views

Can Raspberry Pi OS images be run under Windows 7 64 bit?

I've ordered a Raspberry Pi, but I'm on a long lead time and I'd like to start playing today! I've downloaded the disc image, tried to boot it in Windows 7 Virtual PC and it doesn't work. Of course, ...
4
votes
1answer
5k views

Use Synergy with a dual monitor server

I am currently using synergy on my Windows machine and my raspberry pi. The Windows machine is the server and the raspberry pi is the client. The program works great except it doesn't realize that my ...
4
votes
1answer
8k views

How to enable network with a raspberry pi emulated on qemu?

I'm trying to emulate a raspberry pi on my ubuntu 13.04. I installed qemu and it works well except for the network. I followed this procedure. On the virtual machine, the file /etc/network/interface ...
4
votes
2answers
6k views

How can I read input from the hosts keyboard when connected via SSH?

I'm currently experimenting with an RFID card reader that emulates a keyboard. When you connect a card, it will read out data from it and then emulate keystrokes according to configuration. I've ...
4
votes
1answer
8k views

Using Raspberry Pi as a thin client to Ubuntu

I just got a Raspberry Pi and want to try to use it as a thin client to Ubuntu so that I can browse the web and run applications. What programs do I have to run on the Raspberry Pi to do this? What ...
3
votes
5answers
1k views

How do I copy and write a partition table from one identical disk to another?

I've got several dozen Raspberry Pis that I use as part of a home lab experiment. I created an installation of Rasbian (the Pi-specific version of Debian) on one Pi, and I want to spread it to the ...
3
votes
3answers
6k views

How to start python program at boot on Arch Linux ARM?

I am running Arch Linux ARM on my Raspberry Pi, and I need to start a python (which should keep running until it either crashes or the machine loses power) program at boot with no input at all from ...
3
votes
1answer
214 views

SSH Public Key Authentication

I've been having trouble trying to authenticate my macbook air client using ssh to connect to my Raspberry Pi server. Are there any suggestions as to why this isn't working? Things I've tried: ...
3
votes
1answer
67 views

Security: Is the Raspberry Pi really stateless?

The Raspberry Pi has become very popular. Because it is rather cheap and simple it could be an attractive device for people living in so called developing countries. However in many of these states ...
3
votes
2answers
8k views

External HDD doesn't show up in /dev on raspberry pi

here's my problem: I have an old 500GB HDD drive from one of my old laptops which I connected to my Pi via USB. First issue: Every time I plug in the device, the Pi reboots. I already read this is due ...
3
votes
1answer
273 views

Is it proper to route default gateway to the modem instead of the DHCP/DNS server?

My setup is a modem (no DHCP or DNS) connected to a network switch. The network switch is connected to a Raspberry Pi that acts as a DHCP+DNS server using dnsmasq. The thing is, all traffic from the ...
3
votes
1answer
303 views

trickle: throttle all programs: works for statically linked executables?

I want to use trickle on Raspbian. It seems it can be used when running an executable as follows: trickle -u {up} -d {down} {program} And it can also be used for all applications. e.g.: ...
3
votes
3answers
10k views

Can I run mythbackend on Raspberry Pi?

Is the Raspberry Pi Model B (the one with 512MB RAM) powerful enough to run a mythtv backend (along with some USB or network storage, of course)? Can it record TV, and can I stream 1080p video from ...
3
votes
1answer
2k views

Backup data rate on Raspberry Pi maxing out at 5 Mb/s. Why?

I set up my Raspberry Pi as a Time Machine, as documented here. At the moment, the Raspberry Pi is connected to my MacBook Pro using a direct Ethernet cable. Also, an external hard drive (laptop ...
3
votes
1answer
347 views

Apache serves an old SSL certificate

I'm hosting a webpage with Apache on a Raspberry Pi (Debian), and can't seem to get the server to issue the current certificate. I generated a self-signed SSL certificate in /home/pi/ssl/ with: ...
3
votes
1answer
1k views

Is using a powered USB hub Raspberry Pi DC power and USB data a good idea? Or does it create an odd, circular dependency that could blow the hub?

I have Raspberry Pi model A which has only one USB port. So I bought the cheapest electrically powered USB hub (AC adapter that has an output of DC 5V at 1000 mA) I could find—kind of in the spirit of ...
3
votes
2answers
2k views

Using Raspberry Pi as IPv6 router for network

I've succeeded in setting up IPv6 for my Raspberry Pi with tunnelbroker.net. However, I would like to share the /64 I got amongst the other devices in my network. The router of the network is a Virgin ...
3
votes
1answer
806 views

Connect devices plugged into Raspberry Pi ethernet to WiFi network

I'm just starting out on a mission to learn more about networking and I've followed a tutorial (http://raspberrypihq.com/how-to-turn-a-raspberry-pi-into-a-wifi-router/) to turn my Raspberry Pi into a ...
3
votes
2answers
13k views

Using a Raspberry Pi to Share WiFi Connection over Ethernet

I have a Raspi successfully connected over WiFi, and I want to connect some wired devices to the same network through it. My AP already provides a DHCP server, so I basically want something to bridge ...
3
votes
3answers
4k views

Why is my USB drive not mounted during startup

I have Arch Linux running on my Raspberry Pi. I added the following line to my fstab file: /dev/sda1 /mnt/MyBook ntfs defaults 0 0 for a while this worked fine, the device was ...
3
votes
1answer
2k views

Why ssh connection is refused?

How can I set up ssh connection success for all times? I do remote communication to my Raspberry Pi using ssh. Most of the time I can connect. But sometimes, I got connection error as "session is ...