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

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1answer
81 views

Linux Booting with USB File System [closed]

I'm trying to boot a Linux system stored in a USB drive that I got by following the Linux from Scratch manual. I finished all but the booting part, the problem is that when the kernel tries to to ...
0
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2answers
62 views

How to disable Network and Bluetooth driver loading

I dont need Bluetooth and Ethernet. SO I want that the next time I boot my system the OS do not waste time in loading corresponding drivers. How do I do in general in any linux flavor ?
2
votes
2answers
333 views

How to move EFI and boot partitions?

I am in the midst of moving these two partitions from sda5 and sda6 to sda1 and sda2 respectively. This is to allow me to have a contiguous space for the root file system to grow. The following is ...
1
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0answers
59 views

How to show progress when loading initrd?

I have a complete root fs built into initrd, so it's almost 500MB. It takes a while to load to memory and during this time, the screen has no indication of the progress. I would like to know if there ...
2
votes
1answer
104 views

Is it safe to delete old boot and EFI System partitions?

I have installed a new OS in the free space of the same hard disk after failing to upgrade the old one. Now there are two copies of boot partitions and EFI System partitions. After a harrowing ...
0
votes
1answer
316 views

How to recover from a boot hang after deleting old swap?

I did a fresh installation of Fedora 20 in the free space of my hard drive after failing to upgrade from the older version. Everything seems to be working fine until I deleted the partition containing ...
1
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1answer
75 views

How to change the disk signature of a raw image?

I am talking about disk signatures in context of the MBR. The area from 440 to 444 bytes. Let's say I got a bootable raw image (bootable in a virtual machine). How can I set the disk signature to a ...
3
votes
3answers
212 views

How does Linux deal with a separate /boot partition?

I am interested to learn about how Linux deals with a separate boot partitions. I am not interested in actually doing this, but I would like to know how this works under-the-hood. Consider a hard ...
3
votes
2answers
594 views

Human readable dmesg time stamps on OpenWRT

The output of dmesg shows the number of second+milliseconds since the system start. [ 10.470000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 14.610000] device eth0 entered ...
0
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1answer
120 views

How to create bootable debian usb drive from an existing linux partition?

I've been using linux (ubuntu, debian, and salix) for a few years but have never been able to create a bootable usb drive from within linux. I've always had to use pendrivelinux which is a ...
1
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1answer
54 views

How to install Debian from an .iso on the filesystem?

I am running Ubuntu and I want to be able to boot into Debian Wheezy .iso which I just downloaded, how can I set this up? I don't want to use an external device like a usb or cd/dvd
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1answer
59 views

Unbootable system, uneditable boot options

My distro (Trisquel, a modified version of Ubuntu 12.04) comes with a 3.2.0-38 kernel. I recently reinstalled it, and after installing a bunch of updates I found that boot would hang on the splash ...
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0answers
47 views

Password protect Grub2, but still allow normal boot

I have seen this link , but I don't have grub.conf in the first place. His situation is the inverse from mine though. This link explains quite a fair bit on Grub2, but I am still clueless as to how ...
0
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0answers
45 views

Why does my system freeze during bootup unless I boot into recovery mode?

I installed some packages, and now when I try to boot into it normally it freezes at this point. The only thing I can do from there is reboot the system. When I do that, this is what's displayed. ...
0
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0answers
33 views

Debian: plymouth for plugin video card

I'm running Debian 6.0.7 I installed Plymouth so I can have a splash screen show instead of the GRUB system calls. When I'm connected to the integrated video card via the VGA port, then I can see the ...
2
votes
1answer
244 views

Can I force Linux to boot its initializations parallel? [closed]

I was wondering if I could manage to initialize drivers, services etc. (all these jobs what Linux does during startup) in parallel instead of sequentially. I want to aggressively lower the boot time. ...
1
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2answers
52 views

Boot desktop from laptop connected by USB

Would it be possible to have laptop with some Linux, that I would be able to connect to any desktop with USB-USB cable, and boot something from that laptop? (its actual OS or something different ...
1
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1answer
629 views

Windows 8.1 not appearing on grub after Linux Mint 16

I had followed a tutorial to install Linux Mint 16 Cinnamon and it works perfectly fine, currently using it to post this question. But when grub loads the only 3 options I am given, are Linux Mint, ...
2
votes
1answer
29 views

How can I migrate my Ubuntu installation from LVM2 to RAID5?

I stumbled upon this question, but I do not think this is a duplicate since I'm under the impression that the OP in this question is not running under a live session. I, on the other hand, have ...
2
votes
1answer
3k views

How can I fix/install/reinstall grub?

So I started out with a 250GB HDD, the stock drive from an EeePC 1015pem that I am trying to turn into a MintBook. The drive is physically operable, but all data has been nuked, including the old OS. ...
0
votes
1answer
824 views

mei 0000:00:16.0: init hw failure

When I boot up I get the following errors: mei 0000:00:16.0: init hw failure. mei 0000:00:16.0: initialization failed. (they don't prevent the bootup, I'm just curious as to what they are and if ...
2
votes
2answers
178 views

Libraries crash after installing experimental version of libc6

My Debian system is not booting anymore after installing the experimental version of libc6. I've got this message on boot: /sbin/init: error while loading shared libraries: libsepol.so.1: ...
1
vote
1answer
561 views

Error about agpgart during startup on Fedora 20?

I have started to notice a strange error quickly flash across my screen every time I boot my laptop running Fedora 20. I'm not sure what it means or how it may be affecting my system, but I figured ...
1
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1answer
383 views

Linux Mint: How to enble cryptswap with custom password?

When you want to use hibernation and you care for security, you'd like to have the swap encrypted. But not with the random password, chosen for you at startup, but with a fixed one, supplied by you at ...
4
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0answers
73 views

GRUB 2 scripting: convert device name in GRUB notation into a Linux device name

I'm trying to use partition labels (or UUIDs, that does not matter) to select root partition without use of an initrd/initramfs. With initramfs, this is fairly easy: root=LABEL=... or ...
2
votes
1answer
370 views

Python script run while screen is locked

I have a python script which seems to be failing to continue running its while True: ... sleep() loop my code is at http://github.com/xdaimon/xdaimonConky What happens is I autostart python on ...
1
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1answer
55 views

can /boot be on a different drive than grub or lilo?

I just got a vizio CN15-A5 laptop, which has both a 1TB HDD and a 32G SDD. I am going to use the SSD with dm-cache, however, I would to make /boot a partition on the SSD, and the laptop's BIOS doesn't ...
2
votes
2answers
179 views

Interpreting output of dmesg and /var/log/boot.log

I found two ways for printing boot messages one using dmesg and another the content of file /var/log/boot.log: The content of the /var/log/boot.log file are: fsck from util-linux 2.20.1 ...
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0answers
157 views

VFS: Cannot open root device “nfs” or unknown-block(0,255)

I am trying to setup a diskless client which will mount over nfs to the server. When I try to boot the client I get the following error message: VFS: Cannot open root device "nfs" or ...
7
votes
1answer
180 views

How is /etc/fstab accessed before root is mounted?

I was making some changes to /etc/fstab, when this chicken and egg question occurred to me - if /etc/fstab contains the instructions for mounting the file systems, including the root partition, then ...
2
votes
2answers
58 views

Access Linux after installing another OS

I recently installed Fedora 20 and during the installations, I made a new disk partition where I installed Windows after Fedora. I do not get the alternative of booting Fedora now. How would I go ...
3
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0answers
82 views

LVM RAID 1 for root [closed]

I have LVM RAID 1 (not mdadm RAID 1, but exactly LVM2 RAID 1) for my root partition. I would like to make my system boot without either of the HDDs where the underlying PVs of the root LVM partition ...
2
votes
2answers
2k views

How Do You Pass VGA/VESA Modes with GRUB2?

One of my machines has a 3 TB HD setup to triple boot into Mint 14 (Ubuntu 12.10 variant), Slackware 14.1 and Arch Linux. The HD is formatted using the GPT/Guid system. The Grub2 technically "belongs" ...
1
vote
1answer
473 views

Creating bootable USB from .iso in Fedora 19

I created a somewhat similiar question previously, but seeing as my understanding of the topic improved drastically with the answers, I realized that I had asked the wrong question. I am trying to ...
2
votes
1answer
152 views

No usable clock interface found

I just finished installing a paravirtualized archlinux guest on xen. I get the following error when my guest boots: [1.185226] i8042: No controller found [1.1247134] drivers/rtc/hctosys.c: ...
2
votes
1answer
100 views

How to save boot.log between reboots?

How do you save the /var/log/boot.log between reboots? Or, more specifically, how can you just have boots be appended to that file? I have an issue with a kernel that I am running and need to be able ...
6
votes
2answers
124 views

Location of the kernel binary (when not in /boot)?

I failed to find the kernel binary in the standard location in /boot. I've also searched the whole file system for vmlinux or bzimage find / -iname vmlin* find / -iname bzimage However, this is an ...
1
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0answers
33 views

App consumes diferent %CPU if started at start-up or from prompt [closed]

I run an application in embedded system, and it needs to start at boot. However, I have a problem with it: when I execute it at boot (from rc.local script), it consumes nearly all the CPU, making the ...
2
votes
1answer
258 views

GRUB2 Insert additional kernel modules

GRUB2 doesn't have the menu.lst file. How do I configure a boot script. During boot, I hit E on the kernel image that I want to modify and make my modifications. But I would prefer to make the ...
1
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0answers
185 views

Computer wont boot with any media after installing wine on Ubuntu 13.10

Yup. I can boot into anything (meaning the os part), like a cd/dvd, a live usb, or the os on the HDD. i can boot into the first screen, which i think is called the grub selection screen and whatever ...
1
vote
1answer
180 views

Can't boot into windows if it's not the first HDD in boot order (Linux)

I installed eOS recently with a custom install (selected separate home, root, and swap partitions). After the install, eOS boots perfectly. However when I try to choose the Windows 8 option it will ...
1
vote
1answer
44 views

How can I influence which Virtual Display (X Server) is shown after boot?

I'm trying to build an info display (or Digital Signage Monitor) with Raspberry Pi running Raspbian (so a Debian distro). I need to start two X servers, where one is showing the content (through ...
2
votes
2answers
97 views

How can I find the text show in the screen when linux boot? That's not the same as dmesg shows

When gnu/linux boot message shows, that's not the same as dmesg shows. How can I find it back?
0
votes
1answer
299 views

Why is my machine not showing anything when booting?

I'm using Ubuntu Server 11.10 x86, and after I make my normal selection (Ubuntu, with Linux 3.0.0-12-generic-pae) from the GRUB menu, the screen just goes blank - there's not even a cursor showing up. ...
2
votes
3answers
660 views

boot partition is almost full in CentOS [duplicate]

I got a warning of my /boot partition is almost full(85%). What should I do? Can I remove one of the backup kernel? How to do it safely? My partition right now Filesystem 1K-blocks ...
1
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2answers
135 views

Is a bad NFS mount preventing a clean boot?

I'm on Ubuntu server 11.10 (x86) and I basically ran into this problem as this: http://serverfault.com/questions/56588/unmount-a-nfs-mount-where-the-nfs-server-has-disappeared The umount command ...
1
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2answers
1k views

I messed up my EFI boot, what do I do?

I have Debian Wheezy installed on my computer using EFI boot. It used Grub2 as the bootloader. I then decided to install Arch Linux, using EFI as well, on another partition and chose Grub bootloader ...
1
vote
1answer
111 views

Unable to boot Linux / Windows as there are no boot entries in the BIOS

I have Asus N56D laptop with Windows 8 pre-installed in EFI mode. I installed Linux Mint 15 dual boot and got it working with the Boot-Repair utility. Everything was going fine until I decided to ...
1
vote
1answer
144 views

Old laptop won't boot from live CDs

I've got an old Pentium III based Dell Laptop, the originally shipped with Windows 2K and has had Windows XP installed on it. I though I could get something useful out of it if I run Puppy, Lubuntu, ...
1
vote
2answers
518 views

Can no longer boot after updating Arch

I am running Arch Linux with the Gummiboot boot manager. Everything was fine until I updated. I can't remember the exact packages that were updated but I'm pretty sure Gummiboot was one of them. Now ...