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1500 questions
102
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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101
votes
8 answers
How to uninstall X Server and Desktop Manager when running as headless server?
I'm using my Raspberry Pi as a headless server which I can ssh into. I don't need the X Server, LXDE etc.
I'm running Raspbian "wheezy". I've already disabled "Start desktop on boot" using raspi-config as described here. But I keep getting lots of…
Day
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100
votes
11 answers
How do I get the serial number?
Where can I find the serial number of the Raspberry Pi I am currently using?
Alex Chamberlain
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- 15
- 69
- 113
99
votes
7 answers
Installing Raspbian from NOOBS without display
I am trying to install Raspbian from NOOBS, but I have no other screen/keyboard available than my laptop screen/keyboard. I find enough information about using a laptop screen/keyboard for a Pi, but then you already need to have an OS installed. But…
ProgramFOX
- 993
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96
votes
3 answers
Differences between Raspbian Jessie and Raspbian Jessie Lite
What are the differences between Raspbian Jessie and Raspbian Jessie Lite?
What's better for a Owncloud server: Raspbian Jessie or Raspbian Jessie Lite?
user38660
93
votes
9 answers
Definitive List Of Operating Systems
What is a definitive list of operating systems that work with the Raspberry Pi?
I know of the distributions listed on their sites of course, but it could be beneficial to have a complete list of everything known to work (broken down by OS, and then…
Matt Lacey
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- 1
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- 11
89
votes
3 answers
How much energy does the Raspberry Pi consume in a day?
My searching efforts have failed when trying to find this. On average, how much energy does the Raspberry Pi consume in 24 hours (minimal usage vs. max usage in a day and USB vs. Micro-USB powered)?
Zero
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89
votes
8 answers
How do I build a GCC 4.7 toolchain for cross-compiling?
I already asked this question on Stack Overflow, but I would like to know if anyone managed to build a GCC 4.7 toolchain for ARM cross-compilation (for a x86/x86-64 Linux host). There are many instructions for building GCC from source and many…
user13
88
votes
5 answers
How do I prevent the screen from going blank?
I am running the Debian wheezy beta and using my Pi to display my geckoboard dashboards using midori, as a result I want to prevent the screen from going blank, which it does after 10 minutes (though it doesn't seem to turn off the backlight). I…
Steve Robillard
- 34,988
- 18
- 106
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87
votes
6 answers
What should be done to secure Raspberry Pi?
Having tens of thousands of Raspberry Pi's connected to the internet is eventually going to capture the interest of some people who would like to do unsavory things to the little computers especially when many people are using their Pi to do network…
Dan B
- 2,907
- 2
- 21
- 20
86
votes
6 answers
Differences between /etc/dhcpcd.conf and /etc/network/interfaces?
I have this configuration in /etc/network/interfaces:
auto lo
iface lo inet loopback
allow-hotplug wlan0
iface wlan0 inet manual
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
allow-hotplug wlan1
iface wlan1 inet manual
wpa-conf…
CuriousGuy
- 1,001
- 1
- 9
- 8
84
votes
8 answers
How to automatically reconnect WiFi?
I'm using my pi to monitor my power meters. Data is transferred to PC by WiFi connection using Edimax EW-7811UN USB adapter. When the Wifi connection drops (switched off over night, or shaky connection), the USB adapter remains disabled.
Is there a…
andig
- 1,087
- 2
- 11
- 13
83
votes
16 answers
How to force NTPD to update date/time after boot?
The Raspberry Pi lacks a hardware clock. How do I force NTPD to update date/time immediately after every boot?
I'm running Raspbian and the Raspberry Pi is connected using an Ethernet cable.
Alessandro Da Rugna
- 1,236
- 3
- 13
- 17
83
votes
2 answers
Raspberry Pi Power Limitations
There are very many, often contradictory, claims about the power requirements and limitations of the Pi.
What are the exact requirements?
Milliways
- 62,573
- 32
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83
votes
5 answers
How can I determine when an SD card needs replacement?
Is there a way to estimate the lifetime of a SD card? If not, is there a utility I can use that monitors its integrity and reliability so I know when to use a new SD card?
ramblinjan
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