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

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898 views

How to access u boot environment from linux?

How can I access and change the u-Boot env variables in linux. Using the u-boot/tools/env directory in u boot directory: u-boot$ make env Which created the executable file fw_printenv. I copied ...
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1answer
139 views

udevadm slow boot

After I upgraded from Slackware 13.70 to 14.0, when the machine is booting, it takes it 15 seconds to execute this line: /sbin/udevadm trigger --action=add I understand, that it tries to detect ...
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1answer
474 views

Cannot boot from usb

I bought a new computer (Samsung NP900X4D) which came with Windows 8. I want to install linux (Mint 14) but the computer lacks any optical drives, and so the only option (I'm aware of) is using a ...
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2answers
751 views

Error mounting drives

I am not able to mount the disk. It is showing error. Error mounting system-managed device /dev/sda3: Command-line `mount "/media/tusharmakkar08/Local"' exited with non-zero exit status 1: [mntent]: ...
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1answer
576 views

[drm:intel_enable_lvds]*ERROR* timed out waiting for panel to power on

I get this error when I start mystem. I have been using a multi-boot system. Ubuntu, Win7, Arch. I deleted everything, and try to install Arch, without susccess. I just deleted the MBR with dd. Is ...
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1answer
168 views

Grub2, boot into existing OS option?

I've got Grub2 installed on a USB stick, and I want to add an entry to the grub.cfg that will boot in to another bootloader e.g. grub on the main harddrive. Like how the Windows 7 install disk will ...
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1answer
258 views

Grub does not fit the screen

I have a problem with my grub installation. The screen is "moved" to the left a couple of pixels, which means that I cannot read the first 20 or so characters of the entries when I boot. I'm ...
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1answer
190 views

Fedora 18 Live CD is hanging on boot

When I boot up Fedora 18 (Fedora-18-x86_64-Live-Desktop.iso) in a Virtual Machine, I just get this screen: I've verified the SHA sum, and I've tried starting it up in "basic graphics mode", yet I ...
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718 views

booting very slow

I have Linux Mint 14 and it was fine, but lately it takes a lot longer to boot. I have my linux installation on one partition. I had a dual boot first, then I removed windows. So, that freed up 2 ...
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1answer
555 views

Manually copying MBR from one drive to the other GPT drive and configuring GRUB results in booting failure

I run CentOS 6.4. I have SSD 300GB for system files and RAID10 8TB for storage + backup. SSD system drive is partitioned as follows: fdisk -l /dev/sdb Disk /dev/sdb: 300.1 GB, 300069052416 bytes 255 ...
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1answer
142 views

Can I move an existing Debian installation to a RAID5?

I put myself a small NAS together, to experiment a bit with raid. I have a working RAID 5 array using mdadm under Debian 6 ("squeeze"). I installed GRUB and Debian to an USB stick, since I was not ...
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2answers
1k views

GRUB2 and kernel vga= parameter

According to the documentation, use of the vga= kernel parameter is deprecated as of GRUB2. The fact that some newer kernels don't seem to support it anymore on certain adapters is of no concern as ...
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1answer
1k views

“Home Directory / Not Ours” on boot

I get the line Home Directory / Not Ours repeated about 30 times when i boot Debian. This has recently started happening since i did an update where everything was stuffed up. eg. Gnome and gdm3 ...
2
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1answer
70 views

Sharing /boot between two Ubuntu 12.04 Server installations?

This question may seem trivial at first sight, but it has certain implications and I'm wondering what is the recommended path to take here. Assume the following scenario: a server system. The default ...
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1answer
170 views

Protecting file system contents with TPM and Encrypted File System

I have been assured that this is possible, but have so far not found any reference that will clue me as to how to do it. I need to deploy an "appliance" with software and data that the user is ...
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0answers
734 views

Unable to install the selected kernel

I have problem with my DVD drive. It's corrupted and when I'm trying to install Ubuntu it stucks (even with the miniISO) I was able to successfully start the OS from system rescue CD. I'd like to ...
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2answers
3k views

After Arch Linux install it just shows the text “No bootable device found”

I've been trying to install Arch Linux. After the installation, it shows the BIOS screen and after that there just comes a message that says "No bootable device found". I have retried the whole ...
2
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1answer
1k views

How to boot on Fedora 18 (Grub2)

I have Fedora 18 and Windows 7 on my laptop. I had grub2 bootloader and the default is been set to windows 7. After I turn on my laptop it just automatically boots into windows 7. Now I want to set ...
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1answer
169 views

Use boot parameter to perform certain actions after boot

I'm asking myself if I can use Grub 2 to tell the Operating System which actions to perform after boot. Background: I have a HTPC with Debian Wheezy installed. Sometimes I want to use the System as a ...
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2answers
143 views

Encrypted disk filesystem compatibilities

On my Debian Linux system during the install I decided to use disk encryption (the one offered during a regulard Debian install). When the system boots up I need to enter a password and then the ...
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3answers
2k views

Partitioning EFI machine with two SSD disks in mirror

I have two SSD disks, I want to put them in a software mirror RAID. But whatever I do the OpenSuSe installation keeps telling me that due to the partitioning scheme he won't be able to install the ...
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0answers
180 views

Install linux from USB without bios support

I have an old PC where I want to install Debian from "smaller CD" (up to 40mb, rest will be downloaded). I have made a bootable usb from this Debian. The problem is, my computer is so old that it ...
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2answers
433 views

Where to find the VBR on the /dev/sda1 partition?

I have one built-in hard disk /dev/sda which looks like this: Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors Units = sectors of 1 * ...
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2answers
50 views

Gnome doesn't work in new kernel (Fedora16)

I'm using Fedora 16. The kernel version is 3.6.7-4.fc16.x86_64 where GNOME graphics works fine and I have also installed the Nvidia graphics driver. When I update yum then new kernel ...
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1answer
4k views

I/O errors on hard disk on Linux boot

Here is a screenshot of booting Arch. I guess the reason is that I force poweroff my Arch linux many times. (I already force poweroff my Arch because my firefox flash plugin use too much memory to ...
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2answers
821 views

Debian won't boot: udevd fails to load device sda and sdb

I can't boot my Debian system, I got this error during boot up: Driver 'pcspkr' is already registered, aborting. I have solved this by adding blacklist snd-pscp to /etc/modprobe.d/blacklist.conf ...
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1answer
931 views

Copying a working Linux instead of installing a new one [duplicate]

It is possible to move an installed Linux from one drive to another or from one disk to another by two methods: dd command which copies sector by sector including boot sector cp command, and then ...
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2answers
366 views

Provide passphrase to plymouth ask-for-password from command line

I'm working on booting a headless server (Fedora 16), entering the passphrase to decrypt the root disk (LUKS) over SSH using dropbear. I've got dropbear all working: I can SSH to the server while it's ...
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1answer
5k views

What's the point of rootwait/rootdelay?

rootwait and rootdelay are used in situations when the filesystem is not immediately available, for example if it's detected asynchroneously or mounted via usb. The thing is, it should be obvious ...
2
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1answer
2k views

GRUB2: how to remember grub last choice

I'm currently trying out various distros so when I boot up my laptop I have several OS to choose from. Usually, all those distros install grub2 and locate themselves at the top of the list so they're ...
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3answers
2k views

How to make UEFI bootable usb disk from bios bootable iso

Suppose you have an iso image that contains a bios bootable partition. You can write this image to a usb disk In linux you could do this for example with dd if=pmagic_2013_02_28.iso of/dev/sdc1 ...
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1answer
508 views

Dual-booting Windows 7 and Mint 14 with “something else” option

I would like to do a dual boot of Windows 7 and Mint 14 on my Acer netbook which already has Windows 7 Pro 64-bit installed on an 1 TB hard drive. I have already shrunk the Windows 7 partition to ...
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1answer
2k views

How to add Puppy Linux to grub menu installed by Ubuntu?

I've been using Puppy Linux off a USB flash drive drive for a while, but that was really wearing it out. I decided to do a full install to the hard drive, so I cleared out some space, created an ext4 ...
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1answer
195 views

How does kernel swapping / INT 13h interrupts work?

I'm looking for a way to learn about and understand this technique. Here's what I'm talking about: Slax boots, {does stuff, like copy itself to RAM}, then transitions control to the kernel/file ...
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1answer
227 views

What are all the mandatory content of the boot partition?

While studying about booting an Android on a board, I have learnt that MLO (X-loader), U-Boot and uImage are necessary to boot the Android on the board. But I wondered that when I have come to know ...
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0answers
106 views

Why does my Pandaboard boot partition need to be vfat, and the rootfs need to be ext3 or ext4?

While booting Android on a Pandaboard, I am partitioning the SD card into two partitions, boot and root. They contain different filesystems. Why does the boot partition need to be vfat, while the ...
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1answer
1k views

RHEL Installation issue with UEFI on HP Compaq Desktop

I have bought a new Desktop HP Compaq Elite 8300 SFF. It came with Windows 7 Pro installed. Now I want to install Linux (RHEL) by dual booting it. I have successfully shrinked the partition and ...
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2answers
14k views

How to extract boot.img?

I am trying to see the content in a boot.img file from an Android image. I googled and got http://javigon.com/category/development-tools/ to extract system.img. But it doesn't work for boot.img. When ...
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55 views

Boot disk unavailable

Background I've got one 32GB SSD that I have Ubuntu 12.10 installed on (this drive is encrypted), and two 1.5TB drives that will serve as storage and backup respectively. I have formated both drives ...
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3answers
675 views

How do you boot Puppy Linux Slacko into the command line?

How do you boot Puppy Linux Slacko (or Precise or Wary) into the command line? I wish to startx only if I need it. Unfortunately it does not seem to copy Slackware's traditional /etc/inittab runlevel ...
4
votes
1answer
142 views

System boots only with CD inserted

I have a weird problem lately: My system only boots if either a CD is inserted (any CD, not a specific CD(*)) or if I enter UEFI-BIOS before boot. Otherwise, grub2 would start but afterwards the ...
4
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2answers
4k views

Linux Mint freezes on startup

Premise I am running Linux Mint on my sister's computer. Everything was working fine, but than one day she turned it on and she got a strange message she didn't understand. I think it was some kind ...
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1answer
389 views

Is it possible to install Windows and Linux on the same partition?

Just wonder is it possible to install Windows and Linux on a ntfs partition and have both OSes share a root filesystem as either one is booted? Then the partition will have /bin, /sbin, /home, /lib ...
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3answers
5k views

Moving /boot and MBR to a new drive

I have a CentOS 6 server with two hard drives in it. My old 3TB drive has been giving me some issues so I'm moving things over to a new drive. Because my / and /home partition are managed by a LVM ...
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1answer
11k views

How to create bootable flash for “efi-shell”

Current Intel server chipsets include a built-in "efi-shell" which appears to basically be a simplified 'NIX with a command set suitable for manipulating some nifty UEFI boot options. It is also the ...
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284 views

How can I mount a dm_crypt device during boot, it fails all the time

EDIT: Problem solved, i updated from Debian 6.0.6 to 7.0.0, everything works now! I have a complex problem at booting. Basically, I have a debian apache box, as a music server in my home network. The ...
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223 views

Used xrandr to rotate monitor but cannot reverse it after deleting script

I following a guide to have my tablet (Samsung ativ 700t running ubuntu 12.10 Gnome3) invert the screen 180 on login I place a script file in /etc/X11/Session.d/45custom-script. Contents of file: ...
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806 views

Why does eth0 only go up sometimes on boot?

I just installed Arch with Archboot. On boot, there's about 50% change of eth0 to go up. If it doesn't I'll have to reboot. What could cause this? If it goes up, dmesg contains: [ 7.9...] IPv6: ...
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1answer
1k views

“error setting up gummiboot-efi” on Archboot UEFI install

I recently purchased an Aspire XC600, but am having trouble installing Arch. I haven't installed on UEFI before. I want Arch as the only OS on the disk. I wrote the Archboot x86_64 image to a USB ...
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1answer
2k views

Kernel panic-not syncing: no init found

When I try to boot up my custom linux from scratch it mounts the root filesystem then I get this message: Kernel panic-not syncing: no init found. I have the init compiled from source and I have the ...