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

learn more… | top users | synonyms

4
votes
1answer
148 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 ...
5
votes
2answers
5k 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 ...
2
votes
1answer
510 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 ...
6
votes
3answers
8k 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 ...
8
votes
1answer
19k 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 ...
2
votes
0answers
329 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 ...
3
votes
0answers
278 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: ...
1
vote
0answers
1k 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: ...
2
votes
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 ...
1
vote
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 ...
1
vote
3answers
658 views

Debian doesn't boot anymore

I use Debian Wheezy. Yesterday I added a new HDD to the system and expanded the LVM using the system-config-lvm gui-tool. I have a logical LVM group for root, /, and one for home, /home. I also ...
0
votes
0answers
2k views

GRUB fails to install

For the past two days, I have been attempting to install Linux Mint 14 64-bit edition. Each time, the ubiquity installer has failed with this error: Executing 'grub-install /dev/sda' failed. This ...
1
vote
1answer
349 views

How to put syslinux on an sd card

I would like to know how to put syslinux on my sd card and I have tried using extlinux. However, I keep getting the message Missing Operating System. Please help me.
-1
votes
1answer
104 views

How to know what will execute at startup/bootup?

I would like what scripts will run at start, without needing to "restart and see what happens", is there any way to know what 'services' are ready to run? Shoud I check every single file in ls ...
2
votes
1answer
97 views

How to write isolinux to an ext4 filesystem

How would I write isolinux to an ext4 filesystem on an 1 GB SD card so that it would boot at startup?
0
votes
1answer
1k views

How to put isolinux on an sd card

Hey I need to put the isolinux bootloader on an sd card but how do I properly do that?
5
votes
1answer
2k views

How to mount iso9660 filesystem as read write

Hey my iso file won't accept device files so I was wondering how I could mount a cdrw with an iso9660 filesystem as read write to copy device files to the cdrw.
7
votes
2answers
688 views

Determine what program is in my MBR code

I've done a lot of partitioning / dual booting on my Macbook Pro. Right now I have Mac OS X installed along with Ubuntu 12.04, with Grub installed on the Ubuntu partition. I am wondering - what is ...
2
votes
1answer
561 views

How to fix boot error UUID disk drive is not ready or not present where micro failed to load microcode_amd.bin and HDIO_GET_IDENTITY failed?

When I updated to the new Kernel 3.7.2, everything goes ok, but when it comes to powering on Linux Mint, it shows me two warnings: What's wrong and what can I do?
1
vote
1answer
165 views

Sometimes I have no picture on the screen at boot on my laptop

I never gave much importance because this happened to me too from time to time. What looked like a minor issue, but now I take this phenomenon has become very annoying indeed. I do not know how to ...
1
vote
2answers
68 views

boot labels and sectors

Two of my disks have a boot label. How can I find from which disk my system (Debian Sid) booting? How can I find whether the boot sector is in the Master Boot Sector or in a Volume Boot Sector (at the ...
-4
votes
1answer
168 views

Boot - How does unix or linux boot? [closed]

How does the linux bootup process work? What is the file that is executed by the machine first to initialize all files and folders, like android, android use manifest for initializing?
1
vote
0answers
242 views

Fedora 17 freezes at loading screen with a CD-based installation

I'm trying to install F17 on my laptop (Toshiba A-665 ... 4gigs RAM, nividia gforce GTS350M,core-i7 1.7 GHz processor), but the liveCD boot freezes about 3/4 of the way through the loading icon... ...
1
vote
1answer
481 views

Installing GRUB from scratch

I am trying to make a scratch linux installation on a PC board that has an x86 processor running on it. It also has a compact flash drive on it to which I have copied my compiled kernel image. The ...
1
vote
2answers
156 views

I deleted the /boot server is still running is reinstall necessary?

This is stupid. I ordered 2SSD from a provicer. Usually I am the one doing the partitioning and formatting. I will then know which one is the SSD by looking at disks that's not partitioned yet. Turns ...
0
votes
1answer
666 views

Autorun Tomcat in Linux Mandriva - java.io.IOException: invalid argument

Here's the autorun script, which i use - #!/bin/sh # description: Tomcat start/stop script # chkconfig: TOMCAT_PATH=/java/apache-tomcat-7.0.32/bin ...
1
vote
0answers
135 views

Creating a Virtual filesystem to boot linux

I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
2
votes
0answers
1k views

How to troubleshoot kernel panic on boot

I'm trying to run Debian Linux on a Nokia IP710 firewall, but I can't get it to boot correctly: kernel panic every time. The firewall has a Pentium III 1Ghz and 512MB RAM. It has no vga, a very ...
1
vote
1answer
427 views

Failed to boot Grub Error Fedora 17

I had two hard disks. One is internal, 320GB, all NTFS, where Windows 7 is installed in a ~20GB partition. The other is external, 160GB, where I have installed Fedora. Now when I had installed Fedora ...
1
vote
1answer
1k views

Arch linux booting into rescue shell by default

I just installed Arch in my PC alongside windows 7 but for some reason it boots directly into the rescue shell, this is how it looks It doesn't show any errors though, and if I press Ctrl+D it just ...
3
votes
3answers
1k views

How is GRUB able to read it's config file on ext3 fileystem?

I have read that GRUB can read ext2 filesystems and has modules for doing this. What is the location of the mod on a Redhat system and how about if the /boot partition is ext3/ext4 or other filesystem ...
2
votes
1answer
1k views

Run autostart program in a terminal instead of having it run hidden in background

I have added to sudo nano /etc/xdg/lxsession/LXDE/autostart the line: python /path/to/script.py This launches script.py on boot. Which is what I want. However, I can't see the output from ...
7
votes
2answers
2k views

How to block loading kernel module only in single user boot when blacklist fails?

On a "Linux debian 2.6.32-5-amd64 #1 SMP" installation where loading a kernel module (mpt2sas) is desired to be delayed to be loaded after starting sshd and users can remotely login, the mpt2sas ...
6
votes
2answers
3k views

Which Bootloader is Used on a Chromebook?

I installed ChrUbuntu on an Acer C7 Chromebook, and I am able to dual boot Ubuntu 12.04 and ChromeOS and to control which OS loads by default. I tried to edit the /etc/default/grub file and did run ...
3
votes
2answers
7k views

Booting Ubuntu from usb on a Mac

I have a Macbook pro (late 2009) running OSX 10.6.8. I want to partition a flash drive and install my Ubuntu iso image onto it. Then I want to boot up from it by (restarting my computer and) holding ...
1
vote
1answer
662 views

Complete install on RAID1 + LVM

When doing a complete install of Linux is it possible to install everything including /boot on 2 software RAID 1s (4 hdds) + LVM? I haven't been able to figure out whether this is definitely ...
1
vote
0answers
331 views

Copy live CD to RAM on boot

OK, so I've put together a live CD which uses isolinux as the bootloader. Any idea what magical option or switch I need to use to make it copy the compressed filesystem to RAM before mounting it? (Not ...
5
votes
1answer
685 views

SquashFS image as rootfs in LXC

Is it possible to use a SquashFS filesystem as an LXC rootfs? I can mount an ext3 image as a rootfs just by setting lxc.rootfs to the filename, but if it's any other type of image, lxc-start just says ...
3
votes
1answer
1k views

Modify /etc/xdg/lxsession/LXDE/autostart before boot

I have some parameters that I would like to change in /etc/xdg/lxsession/LXDE/autostart, before it is run. I get the parameters from a grep command. I would like to feed them to the autostart file but ...
3
votes
2answers
164 views

Can I make low-level changes on a root fs mounted RO?

Related to this question: having a root file system that had to be mounted read-only (say it's completely broken), can I reformat the partition or dd a older backup image on top of it (and then ...
2
votes
1answer
966 views

Where is fsck startet for the root filesystem at boot?

I want to extend an existing Debian 6.0 system so that it is able to automatically fix a corrupt root file system by restoring a separate image. That process should start automatically instead of the ...
2
votes
1answer
521 views

Slow boot, how to program fsck to run like a cron job?

Sometimes my web server crashes, and it may take hours to boot. I've been told fsck might be the culprit, because it can only be run during boot, only runs after X days and Y mounts, and if the server ...
1
vote
2answers
853 views

Running google cloudprint on boot

I use this Python script on my Debian based Guru Plug to make it work as a print server for Google Cloudprint. With this I can print from my Android devices using apps like PrinterShare or Cloud ...
2
votes
1answer
872 views

How to skip/exclude one SCSI bus from scanning during boot?

A "Linux debian 3.2.0-0.bpo.3-amd64 #1 SMP Thu Aug 23 07:41:30 UTC 2012 x86_64 GNU/Linux" system has at least 5 SCSI hosts: root@debian:~# ls /sys/class/scsi_host host0 host1 host2 host3 host4 ...
1
vote
1answer
457 views

How to start java application after machine reboot?

I'm wondering if there is easier way to start java application (just tomcat server) after machine has been rebooted? Possible answers: Add the application as a service and then add it using ...
1
vote
0answers
43 views

Can't boot Scientific Linux [duplicate]

Possible Duplicate: Cannot boot Linux Mint after installing Windows (First) and Linux Mint (Second) I have installed Scientific Linux on my Asus laptop where I already have installed ...
0
votes
1answer
3k views

Starting Udev hangs at boot

We have One SuperMicro server and on that we installed RHEL 5.6 64 bit but after installation it hangs at STARTING UDEV . Any ideas what is stopping it to start and proceed.
2
votes
1answer
834 views

Changing service startup order

I use wpa_supplicant to configure the wireless connection. Now I have a problem in that the network service starts before wpa_supplicant so this happens: Bringing up interface wlan0: Determining IP ...
0
votes
1answer
75 views

Why does X11 on Fedora 16 rely on non-boot device for startup?

I have recently had an incident in which my /var/mail/spool/ file grew to the size of 32G (yes, that is gigabytes), completely filling its system partition (/dev/sda2) and most of what I saw inside ...
0
votes
1answer
69 views

What mode of memory at the time linux kernel was loaded?

Can anyone tell me what the memory mode is at the time linux kernel is loaded (by bootloader)? As this link says, the memory mode is real mode then the linux kernel will ask user to choose video mode ...