Questions tagged [raspbian]
DO NOT use this tag for new questions; Identify actual OS e.g. Raspberry Pi OS-Buster . Raspbian renamed Raspberry Pi OS (32-bit) is a family of GNU/Linux operating systems derived from Debian. Version numbering follows that of Debian and the current stable is 11 (Bullseye). Raspberry Pi OS is the most widely used Pi based distro.
7,253
questions
333
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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 ...
- 34.8k
225
votes
12
answers
933k
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 "...
- 2,353
203
votes
11
answers
338k
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 ...
- 4,842
197
votes
11
answers
470k
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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
130
votes
7
answers
332k
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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
122
votes
5
answers
289k
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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:
- 2,483
119
votes
15
answers
552k
views
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 ...
- 1,359
117
votes
19
answers
282k
views
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?
- 2,533
103
votes
3
answers
185k
views
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 ...
- 1,768
103
votes
2
answers
260k
views
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?
- 1,405
101
votes
8
answers
113k
views
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-...
- 1,153
96
votes
3
answers
180k
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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
85
votes
6
answers
222k
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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 ...
- 991
83
votes
16
answers
428k
views
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.
- 1,236
82
votes
12
answers
142k
views
How can I remove the GUI from Raspbian/Debian?
I would like to know how to completely remove X.org and all GUI-related components from Raspbian or soft-float Debian. The most obvious solution would be sudo apt-get purge xorg, but I am afraid that ...
- 1,809
78
votes
8
answers
125k
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Does Raspbian's repository have a browsable package list?
Raspbian claims to have "35,0000 Raspbian packages", which is great, but I'm only looking for a package or two before I install it.
Is there a browsable repository package list that I can search ...
- 2,986
77
votes
4
answers
123k
views
How do I set my Raspberry Pi to automatically update/upgrade?
Currently, to get things up to date on my Raspberry Pi, I have to type in sudo apt-get update and sudo apt-get upgrade. Is there a way to set it up to automatically do this? I am running Raspbian ...
- 877
75
votes
7
answers
105k
views
74
votes
7
answers
147k
views
Do I still need rpi-update if I am using the latest version of Raspbian?
I have a 512MB Pi. I am trying to make sure I am getting the most out of it. I just downloaded the latest version of Raspbian and installed it on the Pi. Do I also need rpi-update? Is rpi-update ...
- 2,709
71
votes
18
answers
310k
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Easiest way to show my IP address?
After I've booted up, what's the easiest way to obtain and display the IP address that the device is currently using?
I'm using Raspbian, and ifconfig doesn't appear to be installed.
Are there any ...
- 2,986
65
votes
6
answers
128k
views
Disable screen blanking in X-Windows on Raspbian [duplicate]
We intend to use a RPi at work to drive a status display panel - it will show our project's bug status and a few other statistics of vital importance.
I've been trying stop the screen-saver from ...
- 2,035
62
votes
8
answers
81k
views
Will Raspbian move to 64-bit?
In this page, the official RPi3 announcement states:
You’ll need a recent NOOBS or Raspbian image from our downloads page. At launch, we are using the same 32-bit Raspbian userland that we use on ...
- 735
61
votes
3
answers
183k
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How do I use the command line to check which WiFi network I am connected to?
I'm doing a headless setup, where we use the Pis in field work (tracking movement of seals via camera in the Cape Cod area), and so we can only monitor it headless, without a separate display (to save ...
- 855
61
votes
11
answers
86k
views
How can I prevent my Pi's SD card from getting corrupted so often?
I get an I/O error at boot and then get this 'error':
(I am running the latest version of Raspbian)
Entering kdb (current=0xca82ac80, pid 1) due to keyboard entry
kdb> _
And I have seen it before,...
- 1,270
60
votes
3
answers
19k
views
Is the Raspberry Pi vulnerable to the Spectre or Meltdown exploit?
There are two new serious security flaws discovered, Spectre and Meltdown.
Is the Raspberry Pi vulnerable for Spectre and/or Meltdown?
- 1,446
56
votes
5
answers
103k
views
SSH not working with fresh install
I recently liberated an old model B from the loft, put NOOBS on an SD card, and installed the latest version of Raspbian on it. I booted it up, attempted to SSH to it from my Mac, but got:
ssh: ...
- 675
52
votes
4
answers
80k
views
Can I use Raspberry Pi in commercial production?
I'm quite new to Raspberry Pi. I recently started hacking my new RPI with raspbian and working on a video streaming project.
I finished my prototype and things are ready for production.
RPI is ...
- 899
52
votes
2
answers
116k
views
Raspberry Pi not reachable via its hostname in LAN [closed]
My Raspberry Pi is not discoverable via its hostname in my LAN.
I have a couple of other Ubuntu machines in the LAN, and they are all pingable via their hostnames.
On my Raspberry Pi:
pi@...
- 829
48
votes
3
answers
128k
views
error - problem connecting to Raspberry Pi 3 with xrdp
I ran:
sudo apt-get update
sudo apt-get install xrdp
I wen't to Windows 10 remote desktop connection and connected to my Raspberry Pi 3:
Then I entered default credentials credentials (pi/raspberry)...
- 635
46
votes
1
answer
105k
views
"connect: Network is unreachable" on a working (connected) wlan0 interface
I finally managed to make wlan0 (an Edimax EW-7811Un USB WiFi dongle) connect to my router, but after an apt-get update I discovered that my Raspberry can't connect outside the local network. The ...
- 1,313
45
votes
6
answers
122k
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How can I keep my Raspbian "Wheezy" up to date?
Is there a sort of update tool for my Raspbian Debian 7 (Wheezy) package?
I installed php and lighttpd, and I want to keep those automatically updated for when bugs are found.
- 1,124
43
votes
6
answers
96k
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How do I update my RPi3 to Python 3.6?
Python 3.6 just came out. I tried following these instructions to build from a tarball, but it got hung up on the make command, so I terminated the process after 20 minutes or so.
I also noticed that ...
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40
votes
8
answers
90k
views
How to connect to WiFi without reboot?
I just put a freshly flashed card (with 2017-09-07-raspbian-stretch-lite) into a Raspberry Pi Zero W.
Then I added these lines:
network={
ssid="myWifiSsid"
psk="myWifiPassword"
}
to /etc/...
- 627
40
votes
1
answer
290k
views
Virtual keyboard activation
I bought a raspberry pi2 and 7 inch waveshare touchscreen. The SD card came along with the system already flashed. It turns on and everything works, but how do I activate the virtual keyboard. Do I ...
- 531
40
votes
2
answers
95k
views
Setting up a kiosk with Chromium
I'd like to put my Raspberry Pi into a kiosk mode with Chromium directed to my website but I can't seem to figure out how to get it to work. I've been following a few different guides, and the code ...
- 503
39
votes
7
answers
79k
views
Cannot connect to raspbian jessie lite but to raspbian jessie
I've installed Raspbian Jessie with dd to my Pi1-B. Everything works fine and I can connect to it via ssh. I do not need any graphical system and want to keep the machine as simple as possible. ...
- 491
39
votes
10
answers
184k
views
Raspberry Pi sleep mode, how to avoid
I use "wheezy" latest release. The device provides some web service features and supposes to be active 24/7. However if the server wasn't requested for certain amount of time (it is hard to tell exact ...
37
votes
7
answers
250k
views
Kernel panic-not syncing: VFS: unable to mount root fs on unknown- block(179,6) running Raspbian on top of NOOBS
When booting, the sequence stops at the following:
Kernel panic-not syncing: VFS: unable to mount root fs on unknown-block(179,6)
What can I do to get my Raspberry Pi 2 to boot again using the ...
- 1,261
35
votes
3
answers
84k
views
How to install unrar-nonfree?
I installed unrar-free, but I cannot extract a multi-file .rar archive (my_archive.part01.rar, my_archive.part02.rar, etc.):
$ ls
my_archive.part01.rar
my_archive.part02.rar
my_archive.part03.rar
$ ...
- 3,703
35
votes
3
answers
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views
How do I see which ARM CPU version I have?
When compiling a package for the Pi I came across a message like this:
CFLAGS += -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp #-mcpu=cortex-a8
and
CFLAGS += -mtune=arm1176jzf-s -...
- 461
35
votes
3
answers
111k
views
Sharing the Pi's WiFi connection through the Ethernet port
I have a pi running the latest release of raspbian and it's connected to the Internet using a wireless USB dongle. What I would like to do, is to share the pi's wifi connection so that any computer ...
user47488
33
votes
8
answers
38k
views
Shutting down the Pi safely without SSH or a monitor?
My Pi is currently not responding to SSH, and the only HDMI monitor I have is a large TV several meters away. I've heard bad things about unplugging it, but do I have any other option?
Currently ...
- 441
33
votes
10
answers
150k
views
Running a Python script at startup
This question has been asked quite a few times before but I didn't seem to get it working using the existing information.
My Pi runs Raspbian. I have a Python script named dnscheck.py which loops ...
- 1,261
32
votes
7
answers
123k
views
Can I install Git on Raspbian?
Can I get Git on Raspbian to back-up my C/C++ files?
Do I need to download anything to use Git on my Raspberry Pi?
Where can I learn to use it?
user8709
31
votes
11
answers
59k
views
Copy existing Raspbian installation to smaller SD card
Is it possible to copy an existing and configured Raspbian installation to a smaller SD card?
When I first installed Raspbian I only had a 32 GB card at hand which obviously is bigger than needed.
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30
votes
9
answers
137k
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Getting NPM installed on Raspberry Pi (Wheezy Image)
I was lucky enough to get a Raspberry Pi under the tree this year and I've had a bit of fun playing with Node.js on the device. However, Node.js is much more interesting when you can pull down ...
- 401
30
votes
3
answers
72k
views
How to get Wi-Fi to connect on boot?
Raspberry Pi Model B
OS: Raspbian
I am running my Pi headless (currently through a direct Ethernet connection). I have a USB WiFi dongle. I would like to have the WiFi start up at boot and connect ...
- 681
29
votes
3
answers
104k
views
Where to find old Raspbian release?
I need an old Raspbian release, precisely rpi_35_v3_jessie8_kernel_4_1_12.img. On the download page raspberrypi.org I can only find the latest release.
Is there any way to get the old release ...
- 484
29
votes
4
answers
92k
views
Which locale should I select during the Raspbian setup?
I've downloaded the newest Raspbian release and it is a little bit different than the original one.
In particular, it gives a whole bunch of options to configure it the first time you boot it up. I'm ...
- 1,351
29
votes
1
answer
46k
views
How do I update OpenSSL on Raspbian
It seems like Raspbian has not been updated yet to deal with the Heartbleed bug. sudo apt-get update then sudo apt-get upgrade doesn't update anything (this is a system which was freshly updated ...
- 1,127