Questions tagged [boot]

These questions refer to the initial starting up of the Raspberry PI.

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Enabling software i2c causes boot failure

I have a Raspberry Pi 4 model B, fresh installation of Raspberry Pi OS. I am trying to use software i2c to get around the clock stretch bug in the broadcom 2835 chip. I edit /boot/config.txt to ...
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1answer
33 views

Add WiFi details and SSH to Pi Zero W

I have a Pi Zero W which I want to use for the MagicMirror. Because of some hardware limits I have to install "Jessie" to make it work. No problem there. The problem is that I need to add the WiFi ...
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21 views

Raspberry 4 not booting - green and red light not blinking - sd card problem?

My raspberry 4 bought on amazon doesn't want to boot, both red and green light are on but none of them are blinking even when plug / unplug the sd card, no reaction from the raspberry, my screen ...
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107 views

can undervoltage damage Pi 3?

I was running a Pi 3b model from an "insecure" power source, aka unknown car radio USB, no idea how many amps it gives. but the lightning symbol appeared on the HDMI screen, then the screen flicked a ...
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1answer
47 views

Running a program on boot (Pi 4)

I have been trying to get a program to start automatically on boot. I have tried using systemd, init.d, rc.local, and cron to execute my bash script in order to invoke a program (e.g. open an instance ...
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32 views

Raspberry PI 3B+ will not reboot after removing power

Help! - I'm completely new to Raspberry. Today I have succesfully imaged the latest OS to the SD that came with my Raspberry PI 3 model B+. Everything works fine when I boot it up. I can also ...
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20 views

How to disable output to serial (GPIO) during boot

I'm trying to drive a motor control over the Raspberry Pi's GPIO serial pins (GPIO 14 and 15) I've disabled the serial console, however, during bootup of the Raspberry PI, it still sends data over ...
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2answers
27 views

SSH on boot via rc.local

I am trying to ssh into a server on boot. I have written a simple bash script to perform this action. The script works fine if I run it from the command line, issue is with rc.local. The script /home/...
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Compiling Android Automotive os for raspberry pi

So i want to create a Android Automotive os build for raspberry pi, but I'm new to the whole AOSP and i think the documentation for AOSP is a bit messy. So my question is, do i start from a finished ...
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2answers
21 views

How Do I Create a Startup for No-ip?

I am on Raspbian. I want no-ip to startup everytime it boots. How can I accomplish this?
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48 views

pi 4 won't boot with powered USB hub

I have a raspberry pi 4 with USBGear 4 port usb 3.0 hub. The USB hub is a powered type. If I boot the Pi system with the usb cable attached to the hub and without power on the hub, it all boots up ...
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108 views

Questions about booting a Pi 4 of an SSD, what is the remaining load on the SD card and how to backup?

I just followed James' tutorial on how to run a Pi 4 off an SSD. jamesachambers.com I don't know enough about OS so the question for me is how is the SD card used after these modifications? From ...
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1answer
20 views

Color test finishes but no console or gui for Ubuntu Server 64

I've used the Raspberry Pi Imager utility to download and install Ubuntu Server 20.04 x64 on an SD card, and added hdmi_force_hotplug=1 to usercfg.txt before booting up. This worked just fine for ...
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2answers
46 views

Run commands on boot of raspberry pi

I am attempting to use my pi to share an internet connection on wifi with the ethernet port. I am able to get it to work by running these commands in terminal: sudo service dhcpcd restart sudo sh -c ...
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1answer
46 views

How to boot Raspberry pi 3 without sd card

I have lost my micro sd card and am unable to use my raspberry pi 3B. I can't buy a new one since online delivery has been stopped where I live due to the lockdown. Is it possible to boot my raspberry ...
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1answer
17 views

How I can identify and set a needed display module which was missing on boot time?

Summarizing the problem Can't identify a needed display module which is loaded within the initramfs on boot time. Providing details and any research After fixing the problem on the surface using ...
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1answer
29 views

How to pre-configure raspbian for ssh key-only access?

I would like to place an SSH public key somewhere onto /boot/ on my Raspbian buster image on SD card, and require SSH access via keys instead of via username and password. I've added the "ssh.txt" ...
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1answer
19 views

How to have piTFT3.5 screen brightness 0 at boot

I have an Adafruit piTFT3.5 running on a pi zero running raspbian-light. For this specific project the screen brightness should be 0 until a python script tells it to turn on. Right now I achieved ...
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66 views

How to enable more uart port on raspberry pi 4 ubuntu server 20.04

i recently got the raspberry pi 4 for a university project. I installed ubuntu server 20.04 on it. Now I tried to enable a second uart port, because for the project I need to connect multiple sensors ...
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1answer
42 views

How to boot from a different kernel based on RPI version?

Background: I successfully compiled kernel versions 5.4.y and 5.6.y from source. It turns out I have some keyboard problems with v5.6.y on my RPI4, so I used tried v5.4.y and it works fine. However, I ...
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1answer
33 views

Date time setting raspberry pi4b

I am brand new to this, I have bought a pi4b starter kit, made all the connections as per the step by step instructions in the supplied booklet, connected to a monitor, and connected to my wireless ...
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21 views

Using LIRC on Lakka on Raspberry Pi 4

Please forgive my ignorance on this topic, I am new to Raspberry Pi and Linux as a whole. I am trying to get LIRC running on Lakka so that I can automatically transmit some infrared signals on boot. I ...
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53 views

Network boot with rootfs on USB3 drive fails with Ubuntu 20.04

Having previously got network boot working following this tutorial, I thought I'd try to combine it with the steps for using an USB SSD as rootfs. This worked on Raspbian as follows: Make a machine-...
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1answer
19 views

Does Raspbian start its automatic services/daemons when it's turned or when someone logs in?

I'm using Raspbian. I connect through Putty. My question is, before I connect with Putty, is the Pi actually doing anything or is it just sitting their idly? Before logged in, does it start the ...
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Raspberry pi 3+b Raspbian buster lite mp4 boot video

I am new to the raspberry world and i'm trying to have a video play on startup early on instead of the boot/text that usually shows. I have tried with info from old videos and guides but this hasn't ...
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24 views

Execute new tmux session then start nodejs script on start-up

I'm hosting a discord bot on my raspberry pi and I want it to create new session on start up I have tried with edit rc.local : #!/bin/sh -e # # rc.local # # This script is executed at the end of ...
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1answer
29 views

Raspberry pi capture desktop without any connected monitor

I want to capture raspberry pi desktop without connected monitor. IS it possible to run a program capture with script at boot up and record the desktop? Or the raspberry pi must be connected with ...
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12 views

Output fsck on boot to a log file

I'd like to use fsck on every boot of my RPi 3B+ server. To do this I will be using tune2fs -c 1 /dev/mmcblk0p2. When fsck runs I'd like the output to be added to a log file in /home/pi/fsck.log with ...
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1answer
84 views

My script in autostart not work correctly

I am very new in linux and I don't know where I make mistake. I am using Raspbian. When I manually start script press.sh everything works fine. But when I start this script from /etc/rc.local it not ...
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1answer
63 views

Raspberry Pi4 systemctl suspend or systemctl hibernated not supported?

I need to get my Pi4 running Raspbian to sleep or hibernate. The when I type the commands systemctl suspend or systemctl hibernated I get the error 'not supported'. Is it possible to enable this ...
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33 views

Raspberry Pi 4 cannot boot and 4 flashes

I bought a raspberry pi 4 nine months ago, it has worked correctly without problems, but this week it cannot boot anymore. When the power turns on, the green ACT light flashes four times, and ...
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1answer
30 views

Connecting bluetooth keyboard automatically at boot

I made a raspberry pi robot that you can control with the keyboard and I want to use my bluetooth keyboard with it. The python program automaticley starts. I used /etc/rc.local to do this. #!/bin/sh ...
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1answer
31 views

Don't understand error trying to run a shell script on startup

I have a program that I want to run when the Pi starts up; it is the only program I expect to run in this environment; when the program ends, the Pi can shut down (after I'm done debugging things). ...
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1answer
26 views

Python script refuses to start automatically

I have a python script (taken from the forums here) that reboots my RPI when a button is pressed. It works great, no issues, except that it refuses to start automatically (either on boot, login, ...
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1answer
50 views

Raspberry Pi 4 won't reboot after unplugging power source

I just got a Raspberry Pi 4 yesterday for the purpose of running a python script, it came with a brand new SD card, and the proper power cord. I had it all up and running through the NOOBS OS download,...
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0answers
25 views

Nothing on screen while booting

I am having trouble booting my raspberry pi 0 w. I am using a 32 gb micro sd card with noobs downloaded on it. I have followed the steps on the raspberry pi website to boot the pi, but when I plug in ...
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2answers
56 views

simple way to open webbrowser in fullscreen from python script

I want to open my chromium web browser in fullscreen-mode and open an URL that I get from a different config file. All this should happen automatically after booting. For testing, I tried to execute ...
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0answers
25 views

raspberry pi not booting correctly

I started using a raspberry pi 2 model B today. I installed raspbian using noob. It boots up and all the commands scroll through the screen and once that's finished all that shows up on the screen is ...
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1answer
24 views

Get metainformation at boot-screen

I asked myself if there is a possibility to get metainformation of the raspberry Pi (like IP4 Adress, MAC Adress etc.) displayed on booting process. Maybe extended with a timeout to read the ...
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1answer
22 views

Problem with launching webpage at boot

I am facing some issues starting a webpage with my raspberry pi at boot. I created a web weather dashboard with some widgets and I want my raspberry pi to start this webpage at boot. My raspberry ...
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2answers
403 views

Autostart Python script doesn't work

I am trying to get my Raspberry Pi to open a terminal and run a Python script when it boots up. I have followed the instructions of some guides and have so far been unsuccessful. My steps I have ...
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1answer
5k views

Boot Raspberry Pi 4 from USB

I have tried to boot a Raspberry Pi 4 from an SD card, and it is working fine. But when I was trying to boot the Raspberry Pi 4 from USB, it was not booting up. Is it possible to boot the Raspberry ...
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2answers
64 views

Raspberry Pi stops booting (mmcblk0: p1 p2) (Ubuntu)

I have a Raspberry Pi 4 since a few days and I've been trying to boot it with Linux Ubuntu since then. But it just stops booting every time I try it. The last thing which is displayed is [341.992834]...
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2answers
138 views

execute Python file on Systemstart

I want to run a simple python script like: import webbrowser webbrowser.open('http://google.com/', new=2) when the startup progress of my RPI 4 is finished. I tried something like "[How to run a ...
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1answer
21 views

Headless wpa_supplicant etc/wpa_suuplicant vs /boot

I was trying to set up a headless Raspi 3 by putting my wpa_supplicant.conf into rootfs/etc/wpa_supplicant/, but it only started working once I put it into the boot partition. I thought the OS would ...
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23 views

Lightdm will not autostart

My issue is with Lightdm, it will not autostart, keeps going to CLI. From there I can type startx and it works fine. I have run raspi-config to set boot straight to desktop, seems to have been ignored....
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1answer
54 views

Downloading OS system taking too long

I have recently acquired a Raspberry Pi 4B and I have just tried set it up with NOOBS on the SD card the whole process ran smoothly until the download of Raspbian began. I waited for an hour and only ...
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1answer
185 views

How make Raspbian boot faster from USB-stick (without SD-card) on a Raspberry pi 3 B+?

I already did things like disabling WiFi, Bluetooth, etc. but my gut tells me, there should be some USB-specific settings, which can make the pi boot faster. I am interested in these settings. My ...
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0answers
34 views

OLED Boot Splash Screen

I am currently controlling my 128x64 Monochrome OLED Display via SPI via a Raspberry Pi and it is working successfully so far. I am currently in process of trying to get the Display to show an image/...
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1answer
30 views

Control the startup and monitoring GPIO status

I want to control the startup of a Raspberry Pi 4 and at the same time listen to the GPIO status of the 40 pin. Can I use an Arduino for that? If so, any advice on which Arduino shall I use?

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