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1500 questions
137
votes
9 answers
How do I install Google Chrome?
When I go to download Google Chrome from http://www.google.com/chrome in Midori on the Raspberry Pi , I am presented with a modal dialogue box,
Please select your download package:
32 bit .deb (For Debian/Ubuntu)
64 bit .deb (For…
Andrew Fogg
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133
votes
5 answers
How to set up swap space?
Raspberry Pi has only 256 MB of RAM, so I would like to use swap space (either on SD card or attached USB storage). How do I set it up?
user13
131
votes
7 answers
How can I determine which OS image I am running?
I have been given a pre-installed SD card. It boots fine, and I know it is running some version of Raspbian. Can I determine exactly which release it is running?
user6899
121
votes
9 answers
How do I supply power through the GPIO?
I have seen some examples of people powering their Raspberry Pis by wiring a DC "barrel plug" style power supply to the 5V and GND GPIO pins.
What considerations should be taken when doing something like this? Do I need to add any protective…
BitBobBang
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- 3
118
votes
4 answers
What does the lightning bolt mean?
There is a lightning bolt icon flashing on the top right of my screen. What does it mean?
Here's a picture:
j0h
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- 6
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- 33
116
votes
15 answers
How to stream video from Raspberry Pi camera and watch it live
I am new to the Raspberry Pi and even new to the Raspberry Pi camera. I have seen a lot of tutorials online for the Raspberry Pi camera but have yet to find on that lets me stream straight from the Raspberry Pi camera like you can with a webcam…
BuddingEngineer
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- 8
114
votes
2 answers
How do I force the Raspberry Pi to turn on HDMI?
I have a Raspberry Pi running Raspbmc connected through HDMI to a dumb HDTV. (Does not support HDMI-CEC).
If I power on both the TV (both at source and display through remote) and Raspbmc at the same time then it all works fine.
If I power on the…
Ashwin Nanjappa
- 1,335
- 2
- 11
- 10
109
votes
5 answers
Can I use the GPIO for pulse width modulation (PWM)?
Can I use the GPIO as a pulse-width modulation output?
If so, how would I go about doing it and how many concurrent, distinct PWM outputs can I have?
berry120
- 10,666
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- 62
109
votes
14 answers
How can one control AC power (220V) with a Raspberry Pi?
I though about using the Raspberry Pi to switch on and off other electrical devices which unnecessary consume power in stand-by mode. In short, I'd like to control an AC socket or multiple sockets. How can one let the computer "push the…
Jakob
- 2,678
- 5
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- 22
108
votes
5 answers
Can I use the GPU for calculations?
Is it possible to use the GPU for calculations? (e.g. CUDA/OpenCL)
Alex L
- 7,395
- 11
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- 53
106
votes
11 answers
How do I build a UPS-like - battery backup - system?
As we all know, the Raspberry Pi doesn't really use that much power (5v + 700mA is the spec).
I'd like to build a battery backup for power outages in a DIY-ish fashion. I don't need surge protection or any other fancy options, just security from…
Riku L
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- 2
- 8
- 6
105
votes
20 answers
Find Raspberry PI address on local network
I need to find the Raspberry PI IP address on local network without connect the Raspberry to a monitor. How do I do it on Linux or Mac OS systems?
J. Costa
- 2,313
- 3
- 13
- 12
103
votes
2 answers
How to run Raspbian on VirtualBox?
I have tried Debian on VirtualBox and would like to check out Raspbian. How do I install Raspbian on VirtualBox?
JeeShen Lee
- 1,405
- 2
- 10
- 10
102
votes
3 answers
Boot without starting X-server
During the installation of Raspian I chose "Start X-Server after boot", but now I want to boot it once without starting the X-Server, so I've got more memory to run a program.
How do I boot without starting the X-Server?
Stein
- 1,748
- 3
- 14
- 13
99
votes
9 answers
Can a Raspberry Pi be used to create a backup of itself?
This question answers the question of how I use an external computer to create a backup of my RPi.
I'm wondering whether I can create a backup image of the SD card that is currently in use, and copying it to a file on a USB storage device. Is this…
Eric Wilson
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- 3
- 15
- 12