The boot phase broadly refers to the set of operations that a computer system performs between power-on and access to a graphical/textual shell. Do NOT use this tag for Spring Boot or Twitter Bootstrap. Use [spring-boot] and [twitter-bootstrap] instead.
Questions tagged [boot]
1581 questions
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Parrot os is not starting
i want your help to find how can i recover my parrot os system. I use parrot os alongwith windows. I have 4gb of ram so i tried to make a swap file in parrot os . I created the swap file and put swappiness=10 in system.conf . But when i tried to…

itzroot
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How to create bootable usb drive , with bootsector written in nasm?
i have the following simple code :
mov ah , 0x0e
mov al , `h`
int 0x10
mov al , `1`
int 0x10
jmp $
times 510-($-$$) db 0
dw 0xaa55
I then compile it and run it normally in qemu:
…

Νίκος Αντωνετσής
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In device tree, a node's interrupts output cell size is 1 but its interrupt-parent seems to have #interrupt-cells = 3. Why?
I'm making a dts file by modifying an existing one and it's still hard to understand device tree syntax and meaning with digging the bindings documents. Here is another one I can't understand. Please help me..
In linux-5.15 source, I see in…

Chan Kim
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For Ubuntu Virtual Machine, how to 'Load AppArmor profiles managed internally by snapd' so VM will boot?
I have an Ubuntu 20.04 'VMWare Workstation 16' Virtual Machine on an Ubuntu 20.04 laptop. When I try boot my VM, I see this output:
SMBus Host Controller not enabled!
Assuming drive cache: write through
/dev/sda5: clean 519701/1933312 files,…

Milan Lakhani
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how can we make kernel boot to the login prompt or shell without initramfs?
For example in a videa about u-boot, https://www.youtube.com/watch?v=INWghYZH3hI, near time 43:01, I see the lecturer gives u-boot the kernel address and fdt address but not the initramfs address. (bootz 0x80000000 - 0x80800000) but linux boots to…

Chan Kim
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Python script boot - Debian
I'm a trying to start a program at boot but without success.
The program starts well but doesn't stay alive (it is supposed to be a infinite script).
But when I start the program normally I don't have any problem! I don't get why when I run at…

hicode
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Repeating characters in ubuntu 20.04 boot
There are some repeating characters when my ubuntu 20.04 is booting, like [[^~[[^~[[^~ ... it seems like someone is pushing specific buttons but pushing buttons doesn't write anything when I try. Also sometimes when I'm writing something my keyboard…

realmarv
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Enabling second UART in U-Boot
I am working on a project with SAMA5D3-xplained board with CortexA5 processor and embedded Linux. I would like to send and receive some data via UART during U-Boot is running and before a kernel is loaded to the RAM. I have no idea what I should do.…

qwarky
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Xubuntu start python script at boot - nothing works
I'm trying to run a python script at startup, I tried to add a [Dekstop Entry] file (.desktop) in /etc/autostart but I see the terminal for a flash and then it closes.
I tried to add the python script with "Session and Startup"
I tried the systemctl…

Antonello Barbone
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1 answer
Synology DS120j autostart node.js server in deamon mode on system boot
How to start node.js server in deamon mode on Synology DS120j NAS (and other synology models if it's similar) drive since it looks that there is not systemd?

stopsopa
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Is it possible to change the color of systemd (?) [FAILURE] [OK] or [SUCCESS] etc. in boot sequence?
My problem is, that any script / command in /etc/init.d seems to be overridden by something else or disregarded.
So I guess that this must be something to be configured in the kernel.
For example using /etc/init.d/some_script (This content is about…

mille grazie
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Call a boot event laravel
Fellow Members
I've been working on a project and come to a situation where I want to create a row in second table (Offers Table) when a new row inserted in first table (Product Variants Table). For that I thought of using laravel created boot event…

Maaz Khan
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Can't start service on boot after Android 7
I want to start a service on boot.
This code only works on Android versions that came before 7.
What should I change to make it work on newer versions? Should I use JobScheduler or maybe WorkManager instead?
For what I know Timer, Handler and…

4kev90
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Failed to deploy an application in jboss
An error occurs while trying to deploy an application in JBoss
13:17:25,685 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) JBAS014612: Operation ("deploy") failed - address: ([("deployment" => "pcp-full.ear")]) -…

E shiv
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Why are two kernels (uImage and vmlinux) necessary for u-boot?
I understand that u-boot requires uImage (a kernel image with extra headers) and a filesystem (which includes a kernel titled vmlinux in the /boot folder. Why is two kernels necessary?

Nicky Lim
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