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.

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332 votes
18 answers

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 ...
Steve Robillard's user avatar
225 votes
12 answers

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 "...
Tyler Murry's user avatar
  • 2,353
201 votes
11 answers

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 ...
11chubby11's user avatar
  • 4,784
197 votes
11 answers

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 ...
Evan's user avatar
  • 2,072
130 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?
user avatar
121 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's user avatar
  • 2,473
118 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 ...
BuddingEngineer's user avatar
117 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's user avatar
  • 2,533
103 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 ...
Stein's user avatar
  • 1,768
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's user avatar
  • 1,405
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-...
Day's user avatar
  • 1,153
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?
user avatar
85 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 ...
CuriousGuy's user avatar
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's user avatar
82 votes
12 answers

How can I remove the GUI from Raspbian/Debian?

I would like to know how to completely remove 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 ...
fouric's user avatar
  • 1,809
78 votes
8 answers

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 ...
Zoot's user avatar
  • 2,986
75 votes
7 answers

Upgrade to Raspbian Jessie

How can I perform an upgrade from Raspbian Wheezy to Jessie?
Fragmentation Needed's user avatar
74 votes
4 answers

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 ...
Isaac Corbrey's user avatar
74 votes
7 answers

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 ...
Scoop's user avatar
  • 2,679
71 votes
18 answers

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 ...
Zoot's user avatar
  • 2,986
65 votes
6 answers

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 ...
Salim Fadhley's user avatar
62 votes
8 answers

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 ...
zundi's user avatar
  • 735
61 votes
11 answers

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,...
user151324's user avatar
  • 1,270
60 votes
3 answers

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 ...
ericmjl's user avatar
  • 845
60 votes
3 answers

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?
Janghou's user avatar
  • 1,446
56 votes
5 answers

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: ...
Pezholio's user avatar
  • 675
52 votes
4 answers

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 ...
Evan Lévesque's user avatar
52 votes
2 answers

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@...
clamp's user avatar
  • 829
48 votes
3 answers

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)...
Andrei's user avatar
  • 635
46 votes
1 answer

"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 ...
Błażej Michalik's user avatar
45 votes
6 answers

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.
Michel's user avatar
  • 1,124
43 votes
6 answers

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 ...
Justin Palmer's user avatar
40 votes
1 answer

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 ...
user473180's user avatar
40 votes
2 answers

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 ...
DavidK's user avatar
  • 503
39 votes
8 answers

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/...
Forivin's user avatar
  • 617
39 votes
7 answers

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. ...
Lioman's user avatar
  • 491
39 votes
10 answers

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 ...
Don Cesar D'Bazar's user avatar
37 votes
7 answers

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 ...
Vlad Schnakovszki's user avatar
35 votes
3 answers

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 $ ...
Morgan Courbet's user avatar
35 votes
3 answers

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 -...
kun's user avatar
  • 461
35 votes
3 answers

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 ...
user avatar
33 votes
8 answers

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 ...
vpzomtrrfrt's user avatar
33 votes
10 answers

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 which loops ...
Vlad Schnakovszki's user avatar
32 votes
7 answers

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?
user avatar
31 votes
11 answers

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.
mwld's user avatar
  • 421
30 votes
9 answers

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 ...
Mitch Denny's user avatar
30 votes
3 answers

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 ...
katriel's user avatar
  • 681
29 votes
3 answers

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 I can only find the latest release. Is there any way to get the old release ...
Socrates's user avatar
  • 484
29 votes
4 answers

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 ...
EGHDK's user avatar
  • 1,351
29 votes
1 answer

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 ...
Jamie Bull's user avatar
  • 1,107

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