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). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own customised images.
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Should I install NOOBS or Raspbian?
The Foundation site used to state states "Beginners should start with NOOBS – New Out Of the Box Software."
Raspberry Pi Ltd. now hides NOOBS from unsuspecting novices.
Only unscrupulous ...
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12
answers
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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 "...
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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: ...
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2
answers
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Log output of background or boot script
I have a short script which is executed by a system daemon for particular events. I know the event is occurring and the script is executing, but it does not do what I intend. Strangely, it does when ...
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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 ...
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How to Backup/Shrink the image of my working Raspbian SD Card
I want to shrink the image to minimise storage and to efficiently distribute this image to others who may have smaller SD Cards.
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votes
1
answer
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Rpi3 LIRC Library and UART IR Transceiver Setup Problem
I installed the lirc library and I tried to use it, I need this for a project
sudo mode2 -d/dev/lirc0
Using driver default on device /dev/lirc0
Trying device: /dev/lirc0
Please use the --raw option ...
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2
answers
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How do I set Raspbian to use the primary time server time.nist.gov?
I have several Rpi3s running Raspbian. They collect data and I use FileZilla to copy data from one to another. Ideally, I am only copying files that have changes or are new.
FileZilla can be ...
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votes
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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
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votes
6
answers
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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 ...
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votes
4
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Reverse the expand root FS
When installing Raspbian, the first thing you're told to do is to expand the file system to stretch across the whole SD card. Works great. But what if I want to save space when doing a disk image. Can ...
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1
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How can I access Raspbian Jessie packages from Wheezy?
I need a package that's in jessie, the newer version of Raspbian, but not in wheezy, the one I have installed. Can I use it somehow? Can/should I just upgrade to jessie?
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How can I disable autoconfigured networking on Raspbian?
I need to configure my network connection using some low level commands, but I believe the autoconfiguration in Raspbian is complicating this.
How can I disable it? And if I do, can I easily restore ...
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2
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/etc/init/d/tightvncserver script fails at boot
This is the tightvncserver init.d script, tightvncserver, in /etc/init.d:
============
### BEGIN INIT INFO
# Provides: tightvncserver
# Required-Start: $remote_fs $syslog
# Required-Stop: $...
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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
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1
answer
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Easy backups and snapshots of a running system with LVM
LVM (Logical Volume Manager) has some useful enhancements. You can make a snapshot, then check new programs and if they don't work as expected or you don't like them you can simply revert to your ...
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votes
2
answers
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Simple openVPN with static keys
For private use I only want to use a simple peer-to-peer openVPN connection without maintaining a complete Public Key Infrastructure. I have heard it can be simplified by using static keys, but how ...
- 41.9k
113
votes
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answers
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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?
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1
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Setting up Wifi direct (wifi p2p) and DHCP server
So I have a fresh pi zero w up and running raspbian stretch lite.
How can I enable Wifi direct/p2p where the Pi is GO and where it has a static ip i can connect to, and install/configure a DHCP ...
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11
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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 ...
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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
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4
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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:
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7
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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 ...
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3
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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
18
votes
6
answers
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Use /boot/cmdline.txt for creating first-boot script
Many questions have been asked about how to find my Pi on my network. Others - including myself - have time consuming issues while trying to deploy a batch of fresh Pi's.
While the creation of ...
- 1,681
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votes
1
answer
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How can I set up my G-Mouse USB GPS for use with Raspbian?
Here is the receiver, a G-Mouse USB GPS unit.
First thing is to find the tty port it uses.
Start by opening a terminal window. Look at the devices, then plug in the GPS unit and look again:
I can ...
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votes
4
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How to share my internet connection on a (Windows) computer with a Raspberry Pi?
I have a Raspberry Pi directly connected to my Windows laptop through Ethernet, so I can make a SSH connection with PuTTy, everything works fine except that my Pi has no access to the internet.
...
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1
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How can Rpi SPI python read the MFRC522 RFID / NFC module?
Trying to read my RFID MFRC522 using a Mifare blue tag and it is not working. Wondering if i could get any help on this as when i put the tag to read it doesn't show up as quick?
using:
https://...
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11
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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 ...
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votes
16
answers
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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.
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2
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How can I start X11 only for a single application?
I am planning to use my RPi only for one application, which needs X server to be started.
This application is chromium, which requires A LOT of resources already.
I would like to start only the bare ...
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3
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Running a script after an internet connection is established
I am trying to run a very small python script AFTER internet has been established. I am currently editing /etc/network/if-up.d/upstart by adding the following code directly under all_interfaces_up():
...
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2
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How to relogin to same session
I'm running an install task on Pi and my connection to pi dropped. How can I relogin to previous session so can view install progress.
In future I should log output to file (so can view progress by ...
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15
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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 ...
- 1,349
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3
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How to set up "kiosk" mode in Raspbian?
I want to set up my Raspberry Pi in a sort of "kiosk" mode where it boots up into a single full screen application. I know my way around the command line, but am a novice when it comes to customizing ...
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3
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Does dhcpcd prevent a remote DHCP server serving an IP address that is declared static?
Dhcpcd is a DHCP client and asks a remote DHCP server for an IP address. The DHCP server selects one free IP address from its pool and gives it to the client.
Now in /etc/dhcpcd.conf of the client I ...
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1
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Will pulling pin 5 low will make the pi boot up again
As mentioned in a comment to https://raspberrypi.stackexchange.com/a/19701/8697 and also in a few other places on this Forum "when the pi is shut down, pulling pin 5 low will make it boot up again"
I ...
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votes
1
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ECG monitoring using ADS8232 and MCP3008 noise problem
I am making a project of Real-time ECG monitoring device using Raspberry Pi 3B+, Heart monitor AD8232 sensor by Keyes, MCP3008 ADC and 7" HDMI LCD. I am giving supply to RPi using 5V DC charger ...
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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
$ ...
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9
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How to install latest Scipy version on Raspberry Pi
I currently have Raspbian OS
and I tried:
sudo apt-get install python-numpy python-scipy python-matplotlib ipython ipython-notebook python-pandas python-sympy python-nose
which worked fine but ...
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4
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Can I view/copy the contents of an img file from Windows?
I have a backup .img file of an old Raspbian installation that I used to have running as a webserver. I'm unable to get the Raspberry Pi to boot from it any more, I think due to running out of space ...
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2
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How to set up dashboard for monitoring PI processes
I have PIs that use a schedule to play videos on loop.
The PIs also use a daemon file 'surround.sh' to control the video player, and the daemon script allows the user to check the service status of ...
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1
answer
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How to switch the current draw to 1.2A instead of 600mA?
On the website of raspberry pi 2 I read that the current draw for usb ports can be switched from 600mA to 1.2A. I searched around and I couldn't find anything that shows how to do that, I went to ...
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Rpi Bluetooth Android Device Connection Pairing Problem
I'm trying to connect my rpi0 w to any android device via Bluetooth LE(low energy) , i can pair but i can't connect them ,an error always showed (Connection failed,No usable services on this device ) ...
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3
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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 ...
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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
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12
answers
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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 ...
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4
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How accurate is Raspberry Pi's timekeeping?
I realize that since Raspberry Pi doesn't have a hardware real-time clock built in, some issues with accurate timekeeping may present themselves, even when persistence across reboots is not a ...
user13
19
votes
5
answers
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Raspbian root default password
I tried to modify the sudoers file on Raspbian /etc/sudoers, and it looks like I made a mistake, as I'm unable to modify it again. I am also unable to call any command that requires sudo permissions.
...
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