Questions tagged [boot]

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

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Connecting wlan1 to wifi at boot [duplicate]

I have a pi at a remote location to which I VNC or SSH into regularly. I had to purchase a https://store.rokland.com/pages/alfa-awus036acm-driver-support-page wifi adapter because the current wifi ...
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107 views

Start Python Pygame automatically (with sudo rights) after booting instead of displaying a prompt

I'm trying to solve this problem. I would like to boot a raspbery directly into pygame without starting the GUI. I have a raspberry pi generation 2 with the current "2021-01-11-raspios-buster-...
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RPi 4B does not boot properly with RPi OS

Raspberry Pi 4B does not boot properly with official Raspberry Pi OS. It was working 3-4 months ago. I have not used it since then. But today the issue occurs. If I attach power and monitor with RPi ...
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2 answers
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Raspberry Pi: Unable to reboot (unable to mount root fs on unknown-block(179,2) - on brand new sdcard/image

I got some new Sandisk 32gb Ultra sdcards installed Pi OS on them etc - but when booting the Pi they gave the error in the title - all the same.
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1 answer
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Ubuntu Core & Raspberry Pi Zero 2 W

I'm trying to run Ubuntu Core 20 on Raspberry Pi Zero 2 W. According to Install Ubuntu on RPi this should work without a problem when using the 32bit version. Or with 64bit version using following ...
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1 answer
351 views

RaspberryPi Running Debian 11 Won't Boot Without Monitor

I have a Raspberry Pi 4 running Debian 11 (bullseye), however, it doesn't boot when a monitor is not connected. When the monitor is connected, it boots perfectly, however without it it stalls forever ...
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Raspberry as a continuous streaming player

I'm new with Raspberry and i need help. I have a Raspberry pi 2 model b and i want to play an audio Stream (shoutcast) at startup. It should check itself every 30 seconds and if the stream is not ...
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Cloned SD-card won't boot, stuck on welcome screen

I've got a RPi 3b+ (Raspbian 9.13 stretch) that I've had for a couple of years. Usually it works fine, but I've had a couple of issues with SD-cards in the past, so I'd like to keep a spare one on ...
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Most energy efficient way to perform periodic tasks on RPI ZERO W

I would like to make my Rpi Zero W execute a simple task (which takes an insignificant fraction of time to perform, <1s) using inputs from sensors exactly f times a day. I am wondering whether: ...
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1 answer
109 views

Raspbian is not going into initramfs with busybox

I was not successful getting into initramfs shell (busybox) on the most recent Raspbian 64-bit release. Every time the system should fall back into the initramfs, I just get an unresponsive serial ...
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1 answer
120 views

Rotate display on startup

I try to rotate my display on startup. (Console, NOT X11) I do not really care if this happens before the bootup-sequence or afterwards. As long as the display is rotated once the login-prompt appears ...
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Pi wont boot from external SSD with ecrypted LUKS container and LVM partition layout

I want to achieve a setup in which I boot from an external SSD harddrive in an USB Raid enclosure. The root directory lies in an encrypted luks container. The boot partition is unencrypted The problem ...
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1 answer
72 views

Raspberry Pi 4B script won't run without being plugged in to monitor

I have a Python Script which takes input from a USB camera to monitor the face. The script runs as expected and runs automatically on start up when connected to a monitor. However, I need the script ...
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Issue starting detached screen session on startup

I am running a 1.18.1 Minecraft server on a raspberry pi 4 and I've been impressed by the performance. I usually start the server by starting an ssh session and then starting the server in a screen ...
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Custom Boot Animation/Video

Is it possible to make a custom boot animation with VLC player like you used to be able to with omxplayer? I've tried omxplayer as I did years ago but it looks like it's now being phased out and isn't ...
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2 votes
1 answer
111 views

Delay booting devices or booting the kernel

BLUF: I'd like to see if there's a solid way to delay the boot-up of the kernel to keep a Pi from sucking up a lot of juice out of the gate, or the USB bus to delay the devices' boot-up until after ...
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Python Script Instead of OS [duplicate]

I've used Raspbian on the Pi3 to create a Python script (foo.py) which works the way I desire. Now I'd like it to simply boot up and run that python script instead of going into the Raspbian OS (there'...
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How do I send user's wifi credentials to my RPI wirelessly?

I am working on a project which would require me to connect my Rpi 0 w to my home wifi. I want to send the pi wifi credentials(ssid and psk) over my phone the very first time and then on subsequent ...
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1 answer
82 views

Change default filesystem root

I have an external hard drive that I want to set as the filesystem root but boot from an SD card. How would I do this? I've copied the filesystem to the partition, and tried updating config.txt with ...
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Pi Zero W won't boot but file system on SD card seems fine

Is there anything I can do to troubleshoot a Pi Zero W that just blinks (between 7 and 10 times) at me instead of booting? I DON'T have a mini HDMI connector so it's headless only. I do have access to ...
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Problem with booting Raspberry Pi 400 from USB drives

Summary: I have a USB3 flash drive that I can use to boot my Raspberry Pi 400 without a problem, but only when it is directly attached to one of my my RPI 400 USB3 ports. However, when I attach the ...
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No boot - SD slot missing pins?

I've just bought a 2nd hand 3B that didn't boot (red light on solid, no green activity), thinking it may have been a problem with the SD card itself. As-is, where-is, so a bit of a gamble but that's ...
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165 views

After Logging in Raspberry Pi screen goes black and then takes me back to Login screen

I was able to boot just fine into my raspberry pi just a moment ago, however after enabling SSH connections from the GUI, it asked for my password on startup (normally it automatically logs in) and ...
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1 vote
1 answer
56 views

.service or crontab for shell script calling python-CLI app and/or python script failing

This isn't necessarily a Pi-specific question, but might be applicable to general Linux. However, my hunch is that the Pi's uniqueness might have something to do with it. I'm trying to run two scripts ...
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1 vote
1 answer
869 views

Disable systemd-random-seed

I am looking to speed up the boot time on my Raspberry pi and systemd-random-seed is taking 20s (old Pi 1). From what I've read up this is waiting to collect entropy to generate a system random seed. ...
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  • 107
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Boot Raspberry Pi 2 with SD card from Raspberry Pi 4

I have a working setup inside SD card, which I used on Raspberry Pi 4 successfully and now I want to use it also on Raspberry Pi 2. Currently I cannot make it run. It shows always initial multicolored ...
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2 answers
140 views

Python script runs in rc.local, but won't save file, Works from command line

I have a python script that saves values from a MPU6050 sensor to a csv, and then zips the file. When I run it from Thonny or direct from the command line, it works. When I run from rc.local at ...
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15 views

Raspberry 4 continues rebooting after an update

I'm running Raspberry 4, with original power supply from external SSD. Everything worked fine, until I recently updated the packages. After that the Raspberry keeps rebooting in a loop. First it runs ...
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1 vote
1 answer
337 views

After I plug in the power, there's just a solid red LED with a single green flash

I've left my Raspberry PI 4 Model B on a shelf for quite a while but now that I finally figured out what I wanted to do with it, I can't get it to work at all. I've used the rpi-imager from my Linux ...
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0 votes
1 answer
344 views

Kernel can't load modules on Raspberry Pi 3B+

I have a Raspberry Pi 3B+ that boots from its SD card but reads its root filesystem from an external hard drive connected by USB. Everything has been working well since I set that up until I tried to ...
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101 views

Dual Display on Raspberry Pi 4

I have Windows 10 IoT Enterprise 2021 on my Raspberry Pi 4 (8 gig Ram). I want to use both the HDMI display ports but just HDMI 0 works, so I followed the instructions in this Youtube video and files ...
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1 vote
1 answer
160 views

How To make Raspberry Pi Hardware PWM off after startup

I am driving motor using ESC with Hardware PWM signal comes from Raspberry Pi ,I set the GPIO 19 (PIN 35) to be PWM1 , the problem is when the Raspberry Pi startup it gives output value to PWM1 (GPIO ...
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0 answers
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Hello World Kernel does not load if I change the defaul load address(kernel_address)

I am trying to learn systems programming. I have create a simple kernel, which prints Hello World to the UART on Raspberry Pi 4 Model B. Source code can be found here. It works perfectly when kernel ...
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0 votes
1 answer
338 views

I accidentally removed read, write and execute permissions from the root ("/") directory

I hope you have a solution for that: I wanted to remove permissions to a specific folder with: sudo chmod -rwx ./ But instead I had executed: sudo chmod -rwx / so I had removed all permissions to ...
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-1 votes
1 answer
105 views

How to set raspberry pi gpio to low at boot (PWM pins)

I have project that works with raspberry pi 3 which control a motor speed through PWM0 pin (GPIO 19), the problem is that raspberry pi give high state after startup , which cause the spinning of the ...
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  • 11
0 votes
1 answer
71 views

Wifi not working in raspberry pi 0 when booting from usb

I am using raspberry pi os in raspberry pi 0 w I booted from USB after editing the config.txt file but the wifi is not working on my USB boot it says there is no wireless LAN, I wanted to know 2 ...
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-1 votes
1 answer
108 views

Just got a raspberry pi 4b, it will show bootloader with no SD card in. If I try and insert an SD card the screen flashes. First time booting

This is my first raspberry pi and I've been trying for 4 hours to get it to turn on and I'm starting to think it's defective. I can't find anyone in the internet having the exact same problem as me. I ...
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0 votes
1 answer
203 views

Ubuntu Desktop fails to boot on Raspberry Pi 400 with 32GB SD card

I have used Pi Imager to write Ubuntu Desktop to my SD card. When I try to boot from it in my Pi 400, I get the following error: [50B]: Failed to remount '/' read-only: Device or resource busy systemd-...
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2 votes
1 answer
86 views

Sporadic slow booting due to fsck (mount count being reset)

I'm hoping to use a Raspberry Pi as the basis of an in-car infotainment system. I've followed a number of guides on reducing boot times, but the Pi will often take a long time to boot—about 20 s ...
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  • 131
0 votes
0 answers
48 views

Launch audio python application on startup - pulseaudio

After much trial and error where I couldn't get systemd, cron, or other methods to work, I found that at least when running the desktop, pulseaudio launches with the desktop, and must be running ...
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1 vote
3 answers
332 views

How to enable ssh semi-headless (I have a keyboard but no monitor)

Raspberry Pi 400 just arrived, very excited! I can connect it to my laptop via direct Ethernet and ping it. Unfortunately, the monitor won't be here for a while... and I'm eager to get going. All I ...
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0 votes
0 answers
29 views

Rpi3 stuck on rainbow screen on both cards after cloning of SD card

I had a working version of Openmediavault on Raspberry Pi 3b+ fully updated and confirmed to be rebooting without errors. I powered down, removed SD card and imaged onto a windows machine using win32 ...
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0 votes
2 answers
47 views

Can I use Ubuntu 8.10 on a Raspberry Pi?

I am working on a project that requires: An open WiFi network On that network, a device that has a known exploit. My plan is to use a Raspberry Pi to create that open WiFi network, then use another ...
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0 answers
109 views

Raspberry pi ssd boot does not work(Desktop freezes over and over)

I am trying to boot the raspberry pi 4 over ssd since several monthes. Thirst of all, I bought me a usb sata converter and later a usb sata converter with an external power supply which did not work ...
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1 vote
1 answer
559 views

Boot from one specific USB hard drive while using the raspi-config boot order set to USB boot first, SD second

I am using the following configuration: Raspberry Pi 4 (RPi4) with bootable SD (SD1) card, configured with raspi-config to use boot priority 1) USB drives, 2) SD card SSD M.2 disk (SSD1) connected ...
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1 vote
1 answer
283 views

Raspberry Pi Zero W taking 38 seconds to boot, how can I speed it up?

I'm using Crontab to start a python file with the code: @reboot sleep 5 && Sudo python3 /home/pi/file.py The file uses the internet to retrieve some JSON data and display it on a screen ...
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0 votes
0 answers
57 views

How to enable display connector during runtime?

I use two hdmi ports during runtime. One for display with user interface (HDMI-A-1) and one for projector (HDMI-A-2). I had to disable the connector with the projector (HDMI-A-2) during the boot ...
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0 votes
0 answers
34 views

Can't get Pi 4 8gb to boot Octopi

Followed the tutorial using the Raspberry Pi Imager and installed the latest Octopi O/S onto first a Sandisk 64gb card then a 32gb Sandisk card Both flashed green a few times on and off then the red ...
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1 vote
0 answers
178 views

Creating an OS for the raspberry pi in rust, booting from it

I was following this tutorial on how to make your own basic OS for an x86_64 system in rust, but wanted to do it for an ARM64 target, specifically, the raspberry pi 4. I am at the point where I have ...
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6 views

is that a way we can boot Fast Compute module 3+ using QT5 Application on start

i am working on compute module 3 plus. and os is respbian buster. I need only wifi and usb services . so please could you please help me how can i boot the fast. because compute takes more than 20 sec ...
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