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

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3
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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
1k 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
553 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
888 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
948 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
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1answer
488 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
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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
872 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
72 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 ...
3
votes
3answers
3k views

How to change Grub 2 default permanently?

Fedora now uses Grub 2. Whenever it does a kernel upgrade, it loses my default boot option (Windows). How can I fix this? I resent Grub 2 over this, because the old Grub respected my choices.
7
votes
1answer
2k views

booting qemu/kvm directly from a file system

Having used Xen and its pygrub for a while, I'm now trying to do something similar with KVM/qemu. Basically, I have a LVM logical volume (though that could as well be a file) that contains the root ...
7
votes
1answer
2k views

after BIOS splash, will not boot, asked to select OS, but can't

I'm running Linux Mint 13 MATE 64-bit. Everything has been working for several weeks. Yesterday, when I tried to boot up my computer, after the BIOS screen flashes I reach a screen with a black ...
1
vote
3answers
811 views

Grub dual boot without countdown

Is it possible to configure grub to have a dual boot setup behaving like described below? When turning on PC and doing nothing, the default system should start as soon as possible without waiting ...
5
votes
1answer
3k views

Fedora 17 : Cannot open font file True

Each time I login to Fedora 17, no GUI, just a console, I notice this error: Cannot open font file True I have followed some tutorial on web to fix this problem, but still cannot. Here some steps ...
7
votes
2answers
12k views

Why do iptables rules disappear when restarting my Debian system?

I add this rule: sudo iptables -t nat -A OUTPUT -d a.b.c.d -p tcp \ --dport 1723 -j DNAT --to-destination a.b.c.d:10000 When restart computer rules are deleted. Why? What I can do to make ...
7
votes
1answer
3k views

Fedora 17 Freezes on Boot

I have been having issues with Fedora 17 not booting after the latest round of updates. I am able to enter the pass for my disk encryption, the boot logo acts normally but after the animation is ...
1
vote
1answer
1k views

Linux USB Boot results in black screen

I'm trying to install Linux alongside Windows 8 on my new Asus Zenbook UX32VD, which has both an Intel HD 4000 and a NVidia 620M I've been having quite a few problems booting up linux via USB so I ...
2
votes
2answers
1k views

Automatically include N latest kernel versions in GRUB / GRUB2 menu on kernel upgrade

What I like about Ubuntu is that the GRUB menu always allows me to pick the latest (default) or second-latest (etc.) kernel version at boot time. In Arch Linux, I can't do that by default. The only ...
2
votes
2answers
1k views

Is there a way to view the console output instead of boot logo, while my RHEL 6.2 machine boots up?

My company provided laptop has RHEL6.2, with lot of programs to start up automatically, which makes the boot up process slow. While the machine boots up, there is the boring RHEL logo on the screen ...
1
vote
0answers
625 views

Fedora 17 not booting

I just got GRUB to properly set the resolution, thanks to this wonderful answer. After selecting Fedora 17 and waiting a bit, this displays: [ 0.752888] [Firmware Bug]: powernow-k8: No compatible ...
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0answers
199 views

Multi-Distro boot DVD with SystemRescueCD 2.8.0 fails to boot the SRCD portion

I'm trying to create a multi-distro mutli-boot dvd image containing (amongst others) the SystemRescueCD iso. I'm using GRUB as the boot loader and I've managed to get most of the other ISOs booting ...
2
votes
1answer
62 views

Fedora gives me a list of fedora installs at boot time

The following happens when I start up Fedora, I've installed it on VirtualBox, how can I stop it from doing this? Both of them take me to same installation of Fedora, I have no clue on how this ...
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vote
3answers
2k views

Ubuntu doesn't boot normally after manual installing of X.org

I tried to compile and install X.org (for a single card/multiseat in this tutorial) by getting source from here and installing it by: ./configure --enable-kdrive --enable-xephyr --enable-xfake ...
2
votes
3answers
2k views

Installing Linux on a SATA partition, with Windows installed on SSD

My computer has a SSD drive along with a HDD drive. I've installed Windows on the SSD drive (Intel) already and I would like to install Linux Mint on a partition created on the HDD hard drive. So I ...
3
votes
2answers
1k views

Format disk through rootfs terminal

I've got into a strange situation (because of my own stupidity of course:-)). I kept failing to install Chakra Linux from Live USB, so I was thinking that the reason could be that I created the Live ...
2
votes
0answers
177 views

Silent boot opensuse without fbsplash

I want to boot my openSUSE 10.3 distro without any boot messages. I've looked at fbsplash, but it requires patching the kernel, a thing which I cannot do at the moment (not because I don't want it or ...
3
votes
1answer
367 views

Encrypt boot file system

I just tried to set up Debian in a VM (just testing, before installing it on a real system). I have set up 4 drives in total. 2 drives that simulate pen drives, on which I want to install the boot ...
2
votes
3answers
6k views

New menu entry in GRUB2, “file not found” and “you need to load the kernel first” errors

I wanted to add new menu entry to my GRUB2 list. This is how I tried to do this and necessary info: Erros after choosing "Debian Wheezy" menu entry from GRUB2 list: error:file not found error:you ...
3
votes
1answer
1k views

How can I add Mageia 2 to my YUMI MultiBoot USB Drive?

After a bit of googling I read that YUMI can handle Mageia from the Mageia forums. Unfortunately after trying YUMI there doesn't seem to be any support for Mageia. I asked on the official Mageia ...
3
votes
3answers
4k views

Given vmlinuz and initrd.gz, how do I find out, where the kernel is going to load / (root) file system from?

I'm trying various ways of Linux installation (from iso, flash, iso on flash, kernel on flash, root FS in iso-file on flash...) and want to understand what's going on. My question is: is it possible, ...
0
votes
1answer
4k views

Kernel upgrade 2.6 to 3.5.3 on CentOS 5.8 -> switchroot: mount failed: No such file or directory

I upgraded kernel on my CentOS 5.8 from 2.6.18 to 3.5.3 and now it is unable to mount the root filesystem: I could not find any explanation through Google. Can you point me in the right direction? ...
3
votes
3answers
112 views

Stop user being able to access live CD environment or recovery mode?

I'm haved created an account on ubuntu that is just a standard user but with no internet access. I have also removed 'recovery mode' from the grub menu so that one cannot just choose this option ...
10
votes
1answer
4k views

Load Linux bzImage in QEMU?

I compiled a Linux by doing make menuconfig then make and now I have compiled the most recent version of Linux. How can I load the kernel into QEMU?
2
votes
0answers
141 views

Linux boots sometimes into kernel instead of Openbox

I have a Solid-Run Cubox and installed Debian Netboot on it. Now I want to configure it as webserver/kiosk PC to run a self made webapp. I installed xorg, openbox, apache/php libs and wrote my own ...
1
vote
0answers
183 views

Debian restarts itself after booting with a “not responding” error

I had a stable Debian 6 install until earlier today, when some keys on my USB keyboard stopped working and my USB mouse buttons started to behave strangely. I had not installed anything new since the ...
1
vote
2answers
931 views

/boot too small to upgrade

Trying to upgrade from F15 to F17. I need to find a way to increase /boot size without destroying data. Details: I tried upgrading using preupgrade process and via booting from Net iso on USB and ...
2
votes
2answers
1k views

Can readahead-services be safely disabled?

I am just going through the service-list of a server (CentOS 5) - the question will probably apply to other RedHat, Fedora, ... versions, too. Note that my servers normally run in runlevel 3 (no GUI ...
1
vote
1answer
2k views

Move GRUB from USB to HD

When I installed Linux debian 2.6 and GRUB I managed to install it, the boot loader, on a usb flash drive. Right now, If the USB drive is plugged into the computer, the GRUB and the OS starts, ...
0
votes
1answer
1k views

grub2 and cryptsetup

My root node is LUKS encrypted, and it uses a key file, instead of user input password to unlock it. I know in Grub2, I can use insmod cryptodisk insmod luks cryptomount -u <uuid> But I have ...
1
vote
1answer
156 views

Fedora 16 fails to boot after Win7 installed a GPT Drive

So, I have Windows 7 and Fedora 16 installed on my old HDD. Everything worked well and fine before I've had my new 3TB drive built in, which I initialized as GPT in Windows. Actually I initialized ...
2
votes
0answers
269 views

KDE not loading without nomode tag in grub and bad resolution

I recently installed Linux Mint 13 KDE but it's not working fine. At first I had to use failsafe mode to boot because normal boot takes to a textual login. If I use normal boot and text login I'm not ...
5
votes
1answer
2k views

degraded software raid boot

I've installed Ubuntu 12.04.1 in a new server and set up the 4 hard drives with 3 RAID 1 devices, the configuration is such that the first two drives have md0 (swap space) and md1 (/) with the third ...
1
vote
2answers
571 views

Why does e2fsck fail during boot, but not later?

When booting my Debian server, I'm presented with the following error concerning my external hard drive: /dev/disk/by-label/elements: The superblock could not be read or does not describe a correct ...
3
votes
2answers
343 views

Prevent hacking the grub.conf using a 'live rescue' from a live linux iso

It happened that I had set the grub password in grub.conf. But, using a live linux iso, I was able to delete the password from the grub.conf. Please read the steps for the same mentioned in this link: ...
3
votes
3answers
11k views

Setting up boot scripts for BeagleBone/Angstrom

I'm working on setting up the pinmux on a BeagleBone so that I can access multiple UARTS. The OS is Angstrom Linux (the demo image, if that helps). I have a shell script: #!/bin/sh echo ...
0
votes
1answer
228 views

Occasionally kernel panics during boot since 3.3.x with Sandy Bridge

Since kernel 3.3.x there are frequent kernel panics during the boot process. It seems to be a kernel problem since I downgraded to 3.0 and the problems are gone. The kernel panics happen almost at ...
2
votes
1answer
176 views

Why do I have GRUB and GRUB2 in my boot directory?

I'm running F17 and my boot directory has grub and grub2. Why do I need both of these? I thought only one grub was required to boot. Does each one have specific properties?
9
votes
2answers
3k views

What is Arch Fallback in Arch boot menu?

What is exactly "Arch Fallback" in the Arch boot menu?