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

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How to add entries in GPT/ guid table without booting in is?

I foolishly deleted entries from guid or gpt table while messing up with gdisk utility, As a result no bootable partition shows up on startup ! I'm stuck at blank screen please help ! How shoul I ...
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2answers
1k views

How does grub2 load the kernel from an LVM volume?

Grub2 is able to load the kernel even if /boot is placed on an LVM volume. To use this feature one needs to add insmod lvm (the module can be on the grub bios partition that is not on an LVM volume) ...
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1answer
2k views

Fedora 20 boots in emergency mode

After reformatting a disk that I think had nothing to do with the Fedora installation, it now boots always in emergency mode, no matter what "Fedora" option I choose in the bootloader My disk ...
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1answer
275 views

iptables - add rule for interface before it comes up

Right now I'm using /etc/rc.local to add some iptables rules on my Linux router on boot however some of the rules aren't added. I assume this is because the interface hasn't come up yet. This is what ...
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1answer
3k views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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2answers
771 views

Does BIOS read directly the bootloader or load it into RAM?

I'm trying to understand the very first steps of the boot process. The CPU read the BIOS It reads a fixed address instruction It will jump to the first BIOS instructions address It will execute ...
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1answer
3k views

Zorin/Windows 7 Dual Boot on New Hard Drive, no GRUB!

So my computer had Windows 8 originally, and my hard drive died. I was able to get a dying hard drive from work to use temporarily, and decided to go with Windows 7 this time, as HP had drivers for ...
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17 views

RHEL boot partition size during auto-installation

We are installing some servers with same RHEL image. During the installation, all but one, have got no problem and had boot partition in size of 250M. The one server, after the installation has ...
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68 views

How to fix a Live-OS image that says Invalid

I was running Fedora-20 off a USB stick with persistent storage till I stupidly ignored a warning & filled up the persistent image. Now boot fails, because it cannot mount the root filesystem ...
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1answer
806 views

ifup eth0 timeout during boot

I need to start eth0 network interface during boot, but only if cable is plugged in. I have following in my /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp ...
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1answer
2k views

lightdm fails to start properly on boot (works from terminal)

I have elementaryOS and after updated my Kernel to 3.11 I get black screen after boot. If I type Ctrl + Alt + F1 to go to command prompt and then do sudo service lightdm restart, lightdm starts ...
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286 views

Mint 16 - Won't boot to USB

I am attempting to completely remove my Linux Mint 16 MATE OS and reinstall Windows 8. At which point, I'll decide if I want to reinstall a Linux OS (most likely will). The issue I'm having is that my ...
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24 views

Boot-Repair ineffective

I was attempting to install a linux partition(Kali to be specific) alongside Windows8(Not 8.1) and I seem to have run into some trouble. My system information is located at : paste.ubuntu.com/7512281 ...
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32 views

booting freezes after used scheduler greatest stack depth error

I have built the linux kernel 3.14 with debug info. When I tried to boot it gives following error and after that booting freezes. Can somebody tell me how to fix this ? Linux Version : Slitaz in ...
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1answer
952 views

Ubuntu - Booting black screen with purple border

After the installation of Ubuntu, when I try to boot a black screen with a purple box appears without let me see the GRUB menu. Then the screen becomes black and Ubuntu starts booting. Ubuntu is the ...
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42 views

Get log from kernel while loading

There is a arm/omap2-based device without ethernet, UART ports. It has usb connection with host, numeric keyaboard, LCD display. There is working U-Boot and kernel images for this. I'm trying to ...
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1answer
95 views

Possible to move boot files?

I just bought an external hard drive that's 1TB. I formatted my laptop and burned Linux to it. The thing is, I also use my hard drive for other things. Can I move these boot files into a custom ...
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0answers
1k views

Repair GRUB from Arch live CD

I'm trying to install Arch on sda8 (with swap on sda7) following the instructions here. I got to the part of setting up the WiFi a second time, but since I already have GRUB, I got lost at the section ...
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2answers
441 views

How to disable bluetooth device when startup on Ubuntu 12.4

How to disable bluetooth device when startup on Ubuntu 12.4, I've accessed /etc/init/bluetooth.conf file and comment #start on started dbus line. But when PC bootup Bluetooth device still running. ...
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1answer
250 views

How to Connect Internet in Zedboard using Linux via SDCard

I am working on Zedboard Zynq 7020. I have booted the Linux via SD card through Zedboard. The linux display can be shown onto the monitor via VGA cable. But I cannot connect that linux to internet. ...
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1answer
562 views

UEFI and Puppy Linux

I recently installed Puppy Linux on a USB stick using the Universal USB Installer, but I have not being able to boot from it. My notebook came with Windows 8 and had the secure boot activated at UEFI. ...
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1answer
151 views

Systemd fails to start after removal of encrypted swap partition on Fedora 20

In order to resize my boot partition I had to recreate my swap partition. After this systemd does not seem to be able to start. I am new to Fedora/systemd and don't quite understand where I could ...
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1answer
178 views

How to install an old version of OpenBSD inside VirtualBox?

I'm reading an old Phrack article and I would like to install OpenBSD 3.0 inside VirtualBox. I remember installing this very version using actual physical floppy disks in 2001, but nowadays I don't ...
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182 views

Metin2 server on FreeBSD error

I have private metin2 server on FreeBSD 9.1 32 bit and I installed packet filter PF. In pf.conf, I wrote metin2 ports (open for public) and my IP Which can be connected to the server. Everything is ...
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1answer
2k views

Fail to start graphic interface

I'm using Linux Mint 14 and have faced the following problem recently: after removing and installing some of the software (torchat and LibreOffice to be exact) and rebooting I found myself not being ...
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1answer
702 views

Disable iptables service on CentOS

I don't want the service to start after reboot. my code does this: service iptables stop service iptables save chkconfig --level 123456 iptables off service iptables status iptables: Firewall is not ...
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New menu item called “arch_grub” emerged as a temporary boot device

I have Ubuntu installed along with Arch. I re-installed Arch a few times already. Now it works well. Once when I was re-installing Arch during boot when I chose the "Choose temporary boot devise" ...
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1answer
461 views

Why do I need GRUB_DISABLE_LINUX_UUID=true

I just switched from lilo to grub2 and my first attempt failed with kernel panic - not syncing vfs unable to mount root fs on unknown block(0 0). It turned out that the problem was that the root ...
2
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1answer
119 views

I no longer see the output of rc scripts

My current problem After cloning the root filesystem of my debian system to an SSD (cp -ax) I no longer see the output of my rc scripts during boot from the SSD. I do see them during shutdown or when ...
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1answer
26 views

How do I properly re-install an OS to the same partitions after failing for the first time?

I have Ubuntu installed. I created 2 more partitions for Linux Arch and failed to install it due to choosing the wrong packages via package manager. It will work on my computer for sure (it already ...
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2answers
3k views

Fedora 19 - Booting doesn't show login screen

I have done some common updates in my system, and now I have the following problem: It starts as usual, loading services, but when trying to launch the login screen (I use KDE), it stops and show me ...
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1answer
39 views

Fan error during boot but it boots well

I installed the second linux distro along with Ubuntu, something went wrong, it was to choosing a wrong nvidia driver, and I decided to remove that distro completely by deleting the partition and ...
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2k views

Start linux in text mode

I know that it ask so many time, how to boot Linux in text mode; but all solution that i got is on installed Linux system, not on fresh system. Is there any way to load any Linux in live mode in text ...
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1answer
121 views

Start up (boot) menu doesn't show other linux distro

I've installed arch using https://wiki.archlinux.org/index.php/Beginners_Guide I have x64 system with Ubuntu installed already and UEFI. There were no errors during the installation. However, after ...
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1answer
222 views

How to make an unallocated space “exist”?

I have Ubuntu and Windows installed together. I'm going to install Arch also along with them. For now, I what them to live there all together in my computer. I have the following: I'd like to ...
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90 views

Errors dual booting Ubuntu Studio 13.10 and Windows XP Pro x64 using GRUB 2

Getting the following errors when I try to boot Windows XP Professional x64 Edition (on /dev/sda1) using GRUB 2: error: no such device: A8542EOA542DDC36. error: invalid signature. I originally had ...
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2answers
1k views

Can't boot into single user mode

I hosed my login (bad script /etc/profile.d) and I can't SSH into my system or boot it into single. I append " single" to the end of the kernel boot parameters and it just keeps booting like normal. ...
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123 views

Why does Linux print a lot of debugging messages on boot/shutdown?

Why does Linux print a lot of debugging messages during the boot and shutdown processes? The boot/shutdown processes usually have no error. Why not hide the debugging messages, and show them only ...
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46 views

Can I avoid writing to the screen until a couple seconds before X11 is initialized?

On an embedded device running Linux, I am writing to the monitor from the bootloader (U-Boot) to display a given logo. Once the linux kernel is loaded, however, it clears the screen until X11 is ...
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675 views

Removing unused init scripts

On my Debian server, I have no network shares (NFS, SMB, ...). I am trying to optimize and simplify my boot process. Is it OK to remove the following init scripts? /etc/rcS.d/S12mountnfs.sh ...
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1answer
118 views

WARNING: at kernel/irq/handle.c - after changing rootfs, but why?

today I changed from an image with initramfs to an image with separate kernel and rootfs. Theses images are used for an Embedded System (ARM9 SAM9G25), that is runnging with an Linux 2.6.39. During ...
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2answers
3k views

Can't create a bootable (live) usb flash for arch linux

I created a bootable usb from which I was going to install Arch. I did this the following way: sudo dd if=/path_to_arch_.iso of=/dev/sdX But when I tried to boot from this usb flash, I failed. ...
4
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1answer
2k views

Setting up HDMI output from Linux console

I am currently running Debian Wheezy on a HP Microserver N54L with an AMD Radeon 5450 video card. I would like to be able to play audio from the console through the HDMI port of my video card and ...
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4answers
2k views

FreeBSD 10 does not boot after clean install

Latest FREEBSD 10 does not boot after clean installation. Installed using this image: FreeBSD-10.0-RELEASE-amd64-memstick.img Used Guided Partitioning, where I selected my only hard drive, chose ...
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2answers
2k views

How do I force booting in text mode?

Newer Linux distributions have the idea to boot into graphics modes. The grub menu does this. The init.d system does this. X does this. I can justify X. But both grub and init.d have only caused ...
2
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1answer
172 views

Tails OS - Modifying boot options

When Tails OS boots, you can press tab to modify the startup options. Is there any way I can save an iso with these options already set? It's a real pain to have to press tab and set them up every ...
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1answer
2k views

System Halt on REBOOT, Shutdown & Restarts as expected

Recently went from Centos 6.4 to Centos 6.5. System is Dell T410 Tower. Whenever I reboot, system runs through post, passes IPv4 Settings, then announces: PCIe Training Error: Slot 1 system halted ...
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0answers
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Is there a solution for when a system hangs on “switching to clocksource tsc” anyway?

Ok so this is exactly what I did yesterday, and what I have tried to solve the problem so far. The distribution is Ubuntu Server 12.04. What I have done just before the error appeared I added a new ...
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438 views

Cannot Boot New Linux From USB

Recently, I got a new laptop, the MSI gx60. I grabbed a usb and loaded the Linux Mint 16 Cinnamon image onto it, tested it on my old laptop and desktop, where it worked. However, when I try it on my ...
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3answers
239 views

Why is kernel boot starting too late

Log message from ARM Cortex A9 based board. Running linux. [Sat Apr 12 19:33:50.207 2014] [Sat Apr 12 19:33:50.207 2014] [Sat Apr 12 19:33:50.207 2014] U-Boot 2013.07 (Apr 09 2014 - 12:31:52) ...