Highest scored questions
37,665 questions
340
votes
23
answers
187k
views
Is the Raspberry Pi suitable for running continuously, 24/7?
I would like to run a headless machine to perform some basic automation and statistical generation (e.g. generating netstats, uploading to pvoutput.org), as well as any other trivial batch jobs that ...
- 4,013
334
votes
17
answers
461k
views
How do I backup my Raspberry Pi?
I have been writing programs for my Raspberry Pi (running Raspbian) for a few weeks now and would like to make sure I protect the work I have done.
How can I backup the files I have created?
Can I ...
- 34.9k
316
votes
15
answers
769k
views
How do I turn off my Raspberry Pi?
Should I just pull the plug? Or is it best if I exit LXDE and any other running processes first?
- 5,933
305
votes
7
answers
1.4m
views
How do I set up networking/WiFi/static IP address on Raspbian/Raspberry Pi OS?
I have followed (any one of hundreds) tutorial, and it does not work.
How do I set up networking/WiFi/static IP address on the Raspberry Pi?
After the Foundation introduced the dhcpcd networking ...
- 62.3k
295
votes
14
answers
194k
views
How can I extend the life of my SD card?
I'm not all that keen to buy a USB hard disk, but I'm aware that SD cards aren't suitable for many repetitions of reading and writing.
Are there any steps I can take to extend the life of my SD card ...
- 5,779
253
votes
2
answers
159k
views
What is rpikernelhack?
When doing an apt-get upgrade on my RPi 3, many lines of output show up like this:
Adding 'diversion of /boot/bcm2708-rpi-b-plus.dtb to /usr/share/rpikernelhack/bcm2708-rpi-b-plus.dtb by ...
- 2,943
226
votes
12
answers
935k
views
Execute script on start-up
I am trying to execute a script when my Raspberry Pi boots up. I would like the web browser to open up automatically.
I have tried to find a simple solution, (like dropping my script in some "...
- 2,363
205
votes
11
answers
347k
views
Prepare SD card for Wifi on Headless Pi
I need to SSH my Pi over wifi but because it is a model A board (using a usb hub is not possible - ever) and I have no ethernet, i can't configure the Pi to connect to my secured wifi network. I want ...
- 4,872
197
votes
11
answers
473k
views
Disable WiFi (wlan0) on Pi 3
Got a Pi 3 which will always use ethernet, so trying to figure out how to disable the WiFi such that it does not even turn on after a reboot.
If I do an ifconfig I see the wlan0 device. I can do ...
- 2,072
187
votes
5
answers
410k
views
How can I resize my / (root) partition?
Even though my SD card is 16GB, the image I flashed onto it was only 2GB and now I can only see 2GB of storage space on the disk.
How can I resize the image so that I have more space on my root ...
- 22.6k
174
votes
1
answer
499k
views
What is the difference between BOARD and BCM for GPIO pin numbering?
When using the RPi.GPIO library in Python you have to call
import RPi.GPIO as GPIO
and then
GPIO.setmode(GPIO.BOARD)
or
GPIO.setmode(GPIO.BCM)
What is the difference between these two options?
- 3,928
164
votes
16
answers
123k
views
Prepare for ssh without a screen
I have a Raspberry Pi model B at home, but I do not have a screen. My plan is to connect it to the Ethernet and then ssh into it. But this means that the SD card with the operating system (Debian ...
- 2,363
162
votes
6
answers
393k
views
How to setup multiple WiFi networks?
I go back and forth from home to school with my Pi. I just got the WiFi working last night at home using wpa.conf instead of wpa_supplicant.conf as the book I was using had the walk thru for that ...
- 1,863
145
votes
7
answers
31k
views
How can I run the Pi on Solar Power?
Has anyone successfully set up their Pi to run on solar power? If so, what would be the cheapest way to sensibly and reliably achieve this, using a combination of solar cells / batteries / voltage ...
- 11k
143
votes
8
answers
839k
views
How can I reformat my SD card to use it normally again?
I wish to reformat my SD card to use normally again (it currently has one 78 MB FAT32 partition and one 3.9 GB Linux partition). How do I do this (on Windows/Mac/*nix)?
- 4,089