Bootloader issues: what happens before the operating system itself starts.

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Why does the initial ramdisk environment fsck /usr even though there is a passno of 0 in fstab?

In the mkinitcpio article of the Arch Wiki, it says that you should put a 0 in the passno field of the /usr partition if you want it to be fsck'd at boot. Add the fsck hook, mark /usr with a ...
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21 views

how big should the /boot directory be in a CentOS 7 server?

I am installing CentOS 7 in a 200GB partition of a 2TB hard drive whose other partitions will later become managed by this master CentOS 7 installation. How big should the boot mount installation be? ...
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1answer
32 views

Dualboot win10/Linux Mint boots directly into win10 - doesn't show grub

So I have a dual boot setup using Windows 10 and Linux Mint 17.2 but I can't boot into Mint normally because my laptop always boots into windows without showing grub. In order to boot into Mint I ...
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2answers
25 views

How to start Debian without installation from USB

I want to build a Linux/Debian live USB Stick, to modify my partition tabel. I read that modifiing the partition table shouldn't be done while Linux is running on the hard drive. Because of that the ...
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0answers
18 views

isolinux.bin is missing

I want to build a debian live CD and live USB image. It seems as if I need the following file: isolinux.bin I use following tutorial: ...
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34 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution on x86 systems? I guess it's in an assembler file since this is very low architecture stuff. I ...
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0answers
13 views

Changes in grub customizer doesn't have any effect in Manjaro

I've just installed Manjaro Linux and wanted to customize the boot menu with grub customizer as I'm used to in Ubuntu. But if I save the changes and reboot the changes are not reflected in boot ...
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20 views

replacing windows 8.1 with CentOS 7

A new computer came pre-installed with Windows 8.1. It is an Acer Aspire T desktop. I would like to completely erase windows 8.1 forever from the machine, and replace it with CentOS 7. How can I ...
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1answer
16 views

WLAN & Debian based Linux distros: Soft-enable WLan by default

It seems Debian based Linux's have wlan soft-blocked by default. I verify it on my Linux Mint laptop: even if you rfkill unblock all interfaces (in rc.local or in a service...): 2 seconds after boot ...
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9 views

Network Booting : How to boot an RHEL or Linux Machine through network [on hold]

I want to know how to boot a Linux driver through network, what are the pre-requisites needed for me to use network booting. I have the Mac address of Machine.
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25 views

Server not booting after Debian 8 upgrade

I recently upgraded my server to Debian 8 and the system will no longer fully boot. The server is hosted at OVH so obviously I am getting no help form them as the service is unmanaged, all they sent ...
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34 views

deleted linux Mint from Win 8.1 dual-boot and cannot reinstall linux now

Until yesterday I had a dual-boot of Windows 8.1 with linux Mint 17.2 Rafaella Cinnamon 64bit. Via the terminal I deleted something that I shouldn't and then when I rebooted the PC, linux stuck at ...
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13 views

multiple systemd-fcsk message on Debian 8.1 boot

Suddenly, when booting my computer, I see several messages like this: [ 16.123575] systemd-fsck[337]: , 408::f6/00, 306::c6/00, 408::f6/00, ... and in the end: Not automatically fixing this ...
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1answer
29 views

How to reduce bootup time of linux? [on hold]

First of all, I appreciate for taking times. I have a PC with the following configuration: 1- CPU: Cor2Duo 2- Ram: 2 GB 3- 40 GB HDD I just need serial and network. I don't need Xwindow. I just ...
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1answer
23 views

Bootup is not yet finished. Please try again later

My computer starts in around 40s but I keep getting this message for 10 minutes: Bootup is not yet finished. Please try again later. After 10 minutes I get this: Startup finished in 6.020s ...
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2answers
36 views

/sbin/init doesn't exist - Bailing out

My question is similar to this one, but has a few differences. At boot, I get the following message: [ 0.030164] Ignoring BGRT: invalid status 0 (expected 1) :: running early hook [udev] starting ...
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7 views

Interrupt systemd mount unit during boot

I've Btrfs RAID1 mounted during boot with this line in fstab: /dev/disk/by-label/storage /mnt/storage btrfs noatime 0 0 Few days ago I was checking data on some old disks, and to connect them I ...
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11 views

root filesystem on nvme device

I have an Intel 750 nvme drive. Works fine. Well.. sort of. I would like to use this device as my root file system. I have no bios support for nvme devices. I have the nvme driver enabled in the ...
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1answer
127 views
+100

Boot process stops until PS/2 key presses?

I'm working on an embedded product based on Gentoo linux 3.6.6 running on a Mini-ITX motherboard. We're looking at switching motherboards (from a Jetway NF9D-2550 to an Advantech EIMB-214), and to ...
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0answers
47 views

ABRT report says “irq 19: nobody cared”, but why?

Every couple weeks, I need to reboot my system. When I do, and enter as root in the terminal, the following message (in some variation) appears: ABRT has detected 3 problem(s). For more info run: ...
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0answers
14 views

Is there a way to enter a password with onscreen keyboard to unlock a LUKS crypto device during bootup?

I just installed Linux (Ubuntu, but it does not really matter) on an x86-based tablet. I also encrypted a partition which is mounted during bootup. Of course, one usually needs to enter the password ...
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1answer
15 views

Permanently modify boot menu on another drive (Solaris 11.2)

I'm running Solaris 11.2 on a HP Proliant Microserver Gen8. Because of a limited number of hard drive slots, I have installed a SSD in the optical drive bay. Unfortunately, this SATA slot is not ...
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14 views

How to boot linux from usb and then change root, or something

My motherboard has USB3 ports on it but the BIOS Boot Mgr will only boot from the USB2 ports. I have a Xubuntu bootable system I have installed on a USB3 stick, but I'm stuck running it from a slow ...
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1answer
21 views

service launched at boot, after all other?

Config : Linux Mint 17,2 (Ubuntu based, Debian based). I launch a home-made service at boot. Added with update-rc.d homemadeserviceName defaults I need to be sure homemadeserviceName runs after ...
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1answer
23 views

Making service NOT launch at boot

Context I made a service in init.d to be launched at boot (let's call it the primary service). And I updated update-rc.d primaryservice defaults This service calls 2 scripts (2 different task ...
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27 views

Linux Mint 17.2 boot hang-up

I installed Linux Mint 17.2 XFCE on an old PC. The problem begins at the end of the installation process: the installation window disappears and I am only left with the live cd desktop that does ...
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1answer
37 views

Scripts in rc.local (start at boot), doesnot start

In my Debian /etc/rc.local, I've put 2 scripts (one for Wifi AP, the other for VPN client-connection): sh /bootscripts/vpn.sh & sh /bootscripts/wifiap.sh & #test: date >> ...
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0answers
41 views

Cannot boot into Linux off live USB

I am trying to dual boot Linux on my laptop (Dell XPS 15) which is running Windows 10 Pro. I did not have any problem dual booting the two operating systems on my desktop. I cannot boot up ANY Linux ...
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1answer
46 views

How to make boot output verbose?

I use to enjoy watching my red hat then debian then ubuntu machine boot, the boot process was not hidden from my view, now it is, in most of all distros, now, I know I can somehow connect a terminal ...
1
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1answer
52 views

Missing root VG, dropped to an initramfs shell. [SOLVED]

My Linux Mint 17.1 (64-bit) uses LVM on its OS drive (an SSD). I must have done "something" to wreck my system, because last time I rebooted, the boot failed. Instead, I got the message "Alert! ...
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1answer
14 views

How can I update the kernel and initrd images in EFI boot loader?

I have successfully installed the EFI boot loader (using ELILO) but I am unsure how to actually keep the kernel images up to date. Can you help me understand the process please? Thanks. ...
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1answer
15 views

Why is debug_putstr() not being printed during boot?

I'm asking myself why debug_putstr() in arch/x86/boot/compressed/misc.c is not being printed during x86 boot phase, though it is configured to do so with GRUB_CMDLINE_LINUX_DEFAULT="". On other ...
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1answer
13 views

I just installed Arch with grub2. When I boot it doesn't launch grub

I am just dual-booted my computer with Windows 8.1 and Arch. I have windows on a 120GB SSD and arch is on a 2TB HDD with ~half partitioned for windows storage space and the other half partitioned for ...
0
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1answer
114 views

Grub Rescue after installing Elementary OS Freya

I used to dual boot windows 10(recently upgraded from windows7) and elementary os luna. Windows is installed on my C drive, and Luna was installed on a partitioned D drive (i splitted 100GB for ...
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0answers
9 views

Grub2 fails to load on an AMD cpu

I have built a linux image with GRUB2 as its boot loader and written it on an IDE hard disk. When I put it in a computer with Intel cpu, it works fine. But putting it in an AMD cpu computer, it even ...
2
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1answer
74 views

How to apply grub theme to a live usb?

This is my setup, I Have installed grub on the usb using grub-install command in the /boot directory. I copied 3 iso's on the usb Manually created a grub.cfg file to boot into the iso's. So I want ...
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0answers
22 views

How do I add modules, binaries or scripts to initramfs in RHEL distributions?

I have an initramfs script I developed for Debian distributions that required some extra binaries to be loaded into the image. I'm now trying to port this to RHEL distributions and I'm struggling. To ...
0
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1answer
9 views

system rescue cd failure reading sector from cd0

Im trying to run system rescue cd on my HP4250 laptop and im getting a read error on the disk. Its saying the kernel needs to be loaded first, oddly enough, even though this is the place where i ...
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26 views

how to compile/decompile a stock Preloader.bin & LK.bin of android

an image file is attached to make my query precise. Is there a way I can decompile my stock preloader or lk.bin so I can make it enter in recovery mode w/out enabling it via adb reboot recovery?
0
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1answer
49 views

USB live Kali linux with macbook pro

I did a live usb with Mac Linux USB Loader, but when I try to boot the Kali linux on my mac, it's showing this: Loading Linux kernel...error: file `/live/vmlinu' not found. done Loading initial ...
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4answers
130 views

USB flash drive does not appear in Samsung NP900X4D UEFI “Boot Menu”

I have a Samsung NP900X4D laptop and I would like to replace the existing Windows 8 installation with a Debian 8. At first, I copied Debian 8 hybrid iso image to a USB flash drive with cat ...
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1answer
22 views

How to add entry for bootable external drive partition to internal bootloader?

I created a bootable partion on a Toshiba Canvio 2 for LinuxMint, leaving one other partition of same size for possibly another install in the future and the rest of the drive is for storage and back ...
0
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1answer
73 views

Freshly installed elementary OS Freya missing on boot menu

In my laptop right now I have two operating systems: Windows 8 and Ubuntu. I also had a third one I installed in the past but never used it: elementary OS Luna. I saw elementary OS finally released a ...
0
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1answer
20 views

install grub but no booting

I'm having trouble installing grub. I used to have a UEFI boot setup but it constantly failed so I decided to use normal boot instead. Unfortunately, the system doesnt boot into grub. What I did ...
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0answers
22 views

How to chainload from usermode?

Starting from user mode runlevel in linux, is it possible to boot another OS on the system without ever passing through BIOS or GRUB/similar and never turning off?
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55 views

Kali linux not appearing in grub after installation

Today i have installed Kali linux via bootable USB and during installation there was problem installing the bootloader so I skipped its installation and restarted my computer but GRUB couldnt find the ...
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3answers
63 views

How to skip DHCP if no cable connected to ethernet in Debian

My Bananian Linux is wasting time at logon trying to get a DHCP lease for eth0 interface which is not connected. Well, the extender cable is connected to it, but nothing is on the other end. I have ...
1
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1answer
29 views

Force screen output to external monitor while installing/booting linux

I'm currently using a laptop with a missing screen, so I've connected an external monitor which, for the most part, has worked quite well. Problems arise, however, if I have multiple Linux distros ...
1
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0answers
41 views

Manjaro Laptop suddenly won't boot Xfce desktop environment. How to boot up normally?

My Manjaro Linux laptop suddenly won’t boot up my Xfce desktop environment. When I start the computer, the PC: boots pass GRUB, then quickly flashes this message: [0.029878] Ignoring BGRT: invalid ...
0
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1answer
71 views

Samba: Only works after manual restart

I have a small Samba just for file sharing on a ARM device (SheevaPlug). Until now everything was fine, however I decided to upgrade to Debian 8.1 and by some reason the shares aren't working ...