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

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3
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1answer
121 views

LILO vga option

In LILO config file (/etc/lilo.conf) what's the difference between specifying vga option in Global section and when specifying it in per-image section.
6
votes
4answers
2k views

Difference between bootable and non-bootable partitions

What is the difference between a bootable and non-bootable partition? I know that a user cannot boot a system from a partition marked non-bootable and can from one marked bootable. I want to know ...
16
votes
4answers
19k views

How do I boot from a liveusb using qemu-kvm?

I am trying to get qemu-kvm to boot from my live usb stick. Is this possible?
2
votes
0answers
289 views

Arch Linux system borked after update [closed]

I have been running arch on my macbook 5,2 since I purchased it back in 2009. This morning I did a full system update (after a few months going without updates) and found some things not working, ...
2
votes
2answers
1k views

Fresh Linux (Debian and CentOS) installation will not boot

I am trying to install either Debian or CentOS on a home server (Fujitsu PRIMERGY TX100 S3). I first tried installing Debian. The whole installation was successful (including grub). But after ...
3
votes
1answer
309 views

Create Logical Volume Snapshot at boot and before mount

I'm using Kubuntu 11.10 and before I upgrade to 12.04, I want to make snapshots of my filesystems. Coming to think of that, I realized that it can be very useful to create snapshots of logical volumes ...
1
vote
0answers
283 views

Booting Laptop with external monitor stalls

Whenever I try to boot linux with an external monitor attached to my laptop, it hangs after checking the battery state with the following message repeated several times: ...crtc_helper_set_config... ...
4
votes
3answers
13k views

/ readonly on boot, but don't see why. how to investigate and fix?

Root filesystem mounted fine under squeeze, and after I upgraded to wheezy. I've been living with it for a bit, so I'm not exactly sure, but I think it started after doing a dist-upgrade on wheezy, ...
1
vote
2answers
3k views

How to add boot parameters in arch linux

I want to add i915.i915_enable_rc6=1 as a kernel line as described here but I'm unsure where/how exactly.
0
votes
3answers
3k views

How do I install Ubuntu from Suse?

I just got a new laptop (HP ProBook 4520s), and I don't have my PC here, with which I used to create bootable USB's to install Ubuntu with. I only have an USB, an external hard drive, and some ...
16
votes
3answers
31k views

CentOS eth0 not starting

Why would my new CentOS Virtual Machine not start eth0 on startup? I have to start it manually every time. How can I fix this? Thanks.
1
vote
2answers
247 views

Why does boot fail with my custom kernel at the mknod step?

I want to build a custom kernel under Ubuntu. I configured and built the new kernel. The new kernel hasn't initrd and comes from vanilla source. I build this new monolithic kernel only with drivers it ...
3
votes
3answers
4k views

How can I debug Apache, not starting upon boot

Apache is already set up as a service, since: $ sudo update-rc.d apache2 defaults System start/stop links for /etc/init.d/apache2 already exist. But Apache isn't starting. How can I start ...
1
vote
2answers
3k views

How can I autostart GDM on Fedora 15?

I am trying to load Compiz on my Fedora 15 desktop. When I finished installing the compiz packages, I restarted. However, it started in text terminal mode and the gui didn't load automatically. I ...
3
votes
3answers
3k views

Black screen when installing Fedora 16

I have read many other threads here and elsewhere but found no solution... I'm trying to install Fedora 16 x86-64. At random points during installation I get black screens that do not go away. I ...
3
votes
1answer
1k views

boot_archive file in solaris

Does anyone know what is that boot_archive file. It is located under /platform/sun4v/ /platform/sun4v> du -sh * | sort -rn 342M boot_archive **** 190M failsafe 106K lib 71K bootlst 12M ...
1
vote
0answers
657 views

How do I create more /dev/tty entries and /dev/ptmx on boot up?

After building kernel 3.2.13 and installing via RPM on my system, I have this problem: There is no /dev/ptmx which the rest of my system is expecting. There is actually a /dev/tty/ptmx device ...
2
votes
1answer
300 views

Bash Script Detects Key Down At Boot

I want to customize my run level scripts based upon a key combo pressed at boot. How to I test for key presses as early as possible from boot? Do I need to do something special, like for example: ...
28
votes
5answers
22k views

Why does Linux allow ‘init=/bin/bash’?

I recently found out that if I edit GRUB before booting and I add rw init=/bin/bash I end up with a root shell. Being in a condition that I want to understand everything I would like to know why this ...
1
vote
0answers
551 views

Fedora 16 install from USB memory stick to Samsung NP305U1A netbook will not boot

I have installed Fedora 16 from a USB memory stick. After installing, which seems to work just fine, and after rebooting I end up in the BIOS. I can not find which BIOS settings to use and have not ...
1
vote
1answer
3k views

Help fix corrupt GRUB

I have multiple partitions on the hard drive of my laptop (1 Crunchbang/Debian, 1 Windows, 1 Windows Recovery), I booted on the "recovery" partition for the first time and the graphics were completely ...
5
votes
2answers
280 views

Should I use LILO or GRUB or other?

I am making a netinstall DVD which will have netinstall for 10 different Linux distros on it. I will need to install a bootloader on the disk so I can choose which distro I want to install. Which is ...
2
votes
1answer
279 views

Why does the /boot partition get updated when I install software

Based on some recommendations I read online, on install of a new (Ubuntu) system, I made my /boot partition separate from / and small in size (only around 50 MB). It makes sense to me that you would ...
1
vote
1answer
435 views

Load module from the boot menu

Is there a way to insert/load a module at the boot menu in Suse? I'm referring to the menu in the screenshot below (this isn't from my machine, just a similar screenshot I took from the web). I ...
2
votes
0answers
311 views

Fedora now tries to connect to wireless at boot?

In my Fedora 16 installation I've recently noticed that it tries to connect to wireless at boot (I have kernel messages turned on at boot so I can see it trying). The issue though is that my wireless ...
4
votes
1answer
5k views

Uninstall the Encrypted LVM function to remove the prompted password entry during Ubuntu Boot

When I installed Ubuntu 11.04 and I was offered the option of enabling "encrypted LVM" for my hard drive. After choosing that option, I am prompted for my password during boot to decrypt the LVM. ...
0
votes
1answer
575 views

Why can't I boot off my Debian update CD?

I downloaded a .iso file with the name debian-update-6.0.4-amd64-DVD-1.iso from http://debian.org and burned it with k3b with default settings, but unfortunately found it won't boot. Did I download ...
1
vote
1answer
72 views

Is S25mdadm start script priority correct?

(On Ubuntu 11.10 - configuration inherited from 10.10) Occasionally the boot process seems to suffer a race condition where a starting process misses some of the Raid-1 FSes, build via mdadm. ...
1
vote
1answer
703 views

pxe boot: problems with /etc/resolv.conf

I'm pxe booting a node (Ubuntu 11.10). The image of the node is created with debootstrap. Works great. Everything is loaded. When I login to the node I see that /etc/resolv.conf is empty. In the base ...
3
votes
2answers
290 views

How does the kernel “give up” control to distribution-specific initialization?

I've always wondered how the kernel passes control to third-party code, or specifically distribution-specific code, during boot. I've dug around in GRUB's configuration files, suspecting a special ...
2
votes
2answers
656 views

slitaz cooking grub2 loopback

I'm trying to get slitaz cooking ISO to boot using a grub2 loopback on a multiboot USB; # /boot/grub/grub.cfg insmod font if loadfont /boot/grub/unicode.pf2 ; then insmod efi_gop insmod ...
1
vote
1answer
9k views

Slow boot on Fedora 16: why and how to improve?

I recently installed Fedora 16 on a Dell VOSTRO 1510. I am quite happy with it, but I am concerned with the slow boot load time. I measured from launching the OS with GRUB till GDM, a boot load time ...
2
votes
1answer
142 views

/etc/rc*: Why does this command stop NFS services from starting at boot?

I recently found this home networking tutorial surprisingly enlightening. However, there is one thing I don't understand: Disabling NFS Start On Boot: If you are not planning on regularly ...
10
votes
2answers
435 views

“Grep breaks, causing the boot process to hang forever”

Question within a question (from the Debian wiki): Should I use sid on my desktop? If you think you can handle a broken Debian system, sure. Do you know what to do if libpam0g breaks, ...
4
votes
2answers
7k views

Kernel Panic - not syncing: VFS: Unable to mount root fs after new kernel compile

So I've been at this for a while and have been poking around for an answer for a few days, and figure it's about time to ask for help. I am running Ubuntu 10.10 in VMWare Fusion, and have downloaded ...
2
votes
4answers
6k views

Unable to boot the operating system

I installed Lubuntu 11.10 and it run without problems. I decided to install Ubuntu 11.10 mini instead of Lubuntu 11.10. After the installation the operating system didn't boot. I only saw the black ...
2
votes
2answers
386 views

Fast distro which only allows a USB boot?

Older PCs BIOS don't have the ability to boot from USB and there is no upgrade from the motherboard manufacturer that makes that possible. Usually I load UNetbootin to make the USB bootable. Since ...
1
vote
0answers
2k views

GRUB2 and EFI - File not found?

I'm running Linux on a 8,3 2011 MacBook Pro. It uses EFI/rEFIt to boot. I was able to install GRUB2 EFI support, and it shows up just fine in the rEFIt boot menu. Everything seems to be working ...
1
vote
1answer
3k views

What's the difference between 'no caching page mode present' and 'assuming drive cache. write through.'

Post-POST, post-BIOS screen, post-GRUB; when I boot Debian with a SD card or USB stick plugged in, one of the first things to pop up on the screen (so quickly that usually I don't even notice) looks a ...
3
votes
7answers
20k views

Black screen at boot with Mint and Ubuntu live CDs

I just bought an HP pavillion g6 laptop, with the hope of installing Linux on it. I have now tried both Linux Mint (my first choice) and Ubuntu, and both simply give me a black screen from the moment ...
6
votes
3answers
2k views

Is there a way to speed up boot time by loading things into RAM immediately?

I'm looking to lower my boot time by whatever means possible. I have about 8GB of RAM in my laptop, and if there's any way I could leverage that into faster boot time, that'd be awesome. Is there a ...
2
votes
2answers
182 views

Determining longest time taken in boot process

I'd like to find out what takes the most time in my boot process from GRUB to the Ubuntu login screen. How can I profile my boot process to find out what's taking so long?
3
votes
1answer
2k views

Trouble booting CentOS

I switched from an Ubuntu to the CentOS yesterday. But it seems I have messed my installation somehow, since OS will only start correctly if the USB with the installation is plugged in. Long story: ...
4
votes
2answers
2k views

Multiple root options in Linux command line

My kernel command line looks like this: root=31:0 ro noinitrd console=ttyS0,115200 root=/dev/mtdblock2 rootfstype=squashfs I think the first root entry identifies a disk by its major and minor ...
2
votes
1answer
2k views

Altering the default boot option on CentOS

I recently installed a copy of CentOS onto my main hard drive (I now have Windows 7 and CentOS). Whilst installing CentOS, I accidentally set it to be the main boot option, so when I start my PC I ...
2
votes
1answer
2k views

Disable detection of certain hardware?

I have a computer with two PCI TV cards. One is Compro (Win friendly), another is Leadtek (Linux friendly). Now, I'm trying to optimize my Ubuntu boot process and I would like to disable detection of ...
0
votes
1answer
2k views

Fedora 16 won't boot

Last night, I shutdown my system, and when I tried to boot it this morning it hung at the splash screen. What is wrong here? I'm not sure which details I can give apart from that I originally ...
2
votes
1answer
69 views

Problematic booting process

About a month ago I installed Lubuntu 11.10. Since that time there is a problem with booting and shutting down. Booting is endless. This screen never disappears, so I have to manually press the ...
3
votes
2answers
570 views

Choosing a device name under /dev from the kernel command line

I am booting CentOS via a USB install. The boot method is simply booting the ISO from GRUB2 installed on the USB Key. The USB key always gets the "name" /dev/sda. Can I change that name from the ...
3
votes
1answer
156 views

Is it possible to create a bootable usb from a partition?

Is it possible? How hard would it be to do so?