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

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82 views

Convert BIOS booting to UEFI in existed linux installation

I have debian installed on HDD with GPT partition table. But it installed with BIOS compatible mode. Now I want to boot it from native UEFI. How can I do this? Ofcource I have motherboard with UEFI.
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1answer
333 views

Correct way to delete unnecessary files from /boot directory (Ubuntu)

Currently there is not enough space on by /boot partition/folder and the sofware update can not be performed. Question: how should I correctly free-up some space in that directory? Here is the ...
1
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0answers
56 views

Keyboard merely plugged in greatly increases kernel boot time

Specs are here. I am using a K65 RGB. I am using the ckb-git package from the AUR to provide basic input functionality. With Keyboard and with driver: Startup finished in 3.100s (firmware) + ...
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0answers
1k views

Jessie: can't boot the kernel 3.16.0-4-amd64

I have been using Jessie for a few months now, and I had a problem booting my computer a few weeks ago. I had this error on boot: early console in decompress_kernel Decompressing Linux... Parsing ...
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1answer
474 views

Laptop boots directly to Ubuntu, can't access BIOS or Boot menu anymore

I'm running Laptop with single OS: UbuntuMATE 15.04 Beta1 64bit on Toshiba laptop Core i3. After burning "Elementary OS" on a live USB drive using UNetbootin, what happened is: -After reboot, laptop ...
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1answer
923 views

elementary OS Freya won't boot

I have been doing Linux since last June and I have found my way around it pretty well. But I have been trying to boot elementary OS Freya beta 2 to my windows 8 UEFI laptop, I have tried using ...
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1answer
89 views

Convert Grub2 entry to Syslinux

I have been trying to do it for hours now, but so far I was unable to. I have a USB stick with grub4dos on sda1 (vfat), /boot syslinux on sda3 (ext2) and root on sda2 (btrfs). ext2 with syslinux is ...
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1answer
206 views

Where can I find a list of USB error codes?

Every time I boot Debian, the boot log shows a bunch of xhci_hcd problems, and messages like usb 3-13: hub failed to enable device, error -22 usb 3-13: device descriptor read/8, error -61 I'm ...
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2answers
165 views

Is it possible to add some 'PXE Network Boot' option to GRUB?

This is an example of my available GRUB menu boot options: 1 menu label ^ 1) Xubuntu 14.04.02 LTS 2 menu label ^ 2) Windows 7, x86 & AMD64 3 menu label ^ 3) Windows 8, ...
3
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1answer
125 views

Quick boot for desktop Linux?

What can be done to a "normal" (Linux Mint, not micro or embedded) distribution in order to boot "nearly immediately" as seen for instance here? What magic is that, and why doesn't every distro have ...
2
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1answer
373 views

Raspbian boots to a root@(none) prompt after erroneous changes in /etc

Under a Raspbian 3.18.7 ARMV71 GNU/Linux embedded inside a cute Raspberry Pi B 2, when configuring some 'silent' options under /etc/init.d files with a now evidently broken and stupid file, the ...
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1answer
386 views

What is the issue due to which debian hangs at fsck /dev/sda? What is the solution?

What is the issue due to which debian hangs at fsck /dev/sda? What is the solution? This is the screenshot of Debian in normal mode: This is the screenshot of Debian in recovery mode:
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0answers
146 views

Kali startx prompting GUI login after logging in already

I wanted to revert back to logging in by command line and starting the desktop by startx. I disabled gmd3 using chkconfig --del gdm3 and I was given the traditional way of logging in which worked ...
1
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0answers
57 views

aufs fs is being mounted before component parts

I'm having issues at boot time. It fails to mount the aufs (and so suspends the boot asking if I want to continue... no good on a server) I thought I had set up my fstab to mount the aufs AFTER the ...
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0answers
170 views

encrypted btrfs RAID1 array fails to mount at boot - open_ctree_failed

I have an encrypted btrfs RAID1 array set up as my /home directory on a fresh install of Linux Mint 17.1. At the Plymouth screen during boot, I enter my password for the two drives, and then receive ...
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0answers
50 views

Grub2 don't see my second HDD

When the new distro is installed it makes grub2 boot menu, but it does not consider my second HDD where I have Windows7. So I tried to edit grubs cfg file but with no success. Also tried to insert ...
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0answers
78 views

Ubuntu Bootchart - How do I actually interpret this chart?

I'd like to start obsessing over optimizing my Ubuntu boot time, but I've searched online for multiple days—and only have a vaguely more coherent idea of what I'm looking at. Here's my bootchart. I ...
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0answers
32 views

Is “shutdown -r now” safe? [duplicate]

Is it safe to reboot your VPS this way, or does it kill all processes directly? And if not, what is the right way?
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0answers
42 views

Archlinux boot screenshot

I've created Archlinux ARM image from scratch and it works perfectly. Now, I am writing some manual for installation and I would like to make a screenshot of device starting up (kernel booting). I do ...
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0answers
18 views

Can I capture reboot errors on a system that lives in memory?

I have a machine that will intermittently experience boot issues and the system will hang and won't come up. I would normally go to check dmesg, but the problem is the system lives in memory and gets ...
0
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1answer
220 views

U-Boot Bootup error

I'm running a Debian Linux on a Cubietruck, running off a SD card. When I power on, I get the following error: Booting kernel from Legacy Image at 46000000 ... ...
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2answers
492 views

Debian autossh boot script not working properly

I wrote the start script at the bottom of this question to try to get one of my devices to automatically create several remote forwarded ports with my VPS upon boot. (I've stripped the LSB tags to ...
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0answers
42 views

Linux Networking Bootup script takes too long

I am working with a fork of a raspberry pi SoC. One of the modification is the use of AP6210 WiFi/Bluetooth chip. I am running Debian. During boot up, the following 3 startup scripts need to run in ...
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4answers
95 views

Why does Linux use an Initial Ram Disk at boot?

I was wondering : What's the goal of using an initrd in the first part of the boot process and then use pivot_root to put the root on the real disk ? Why not only use what's on the disk ?
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34 views

Fedora 20 boot issues

I've tried installing Fedora 20 (minimal install, machine is old and only has ~1GB RAM), twice now on an old computer meant to act as a home server to SSH into. Both times, I will be able to log in ...
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0answers
98 views

grub2 lvm2 raid1 /boot

Is it possible to boot from a system where /boot is located within an lvm2 raid1 partition. I've tried a variety of configurations, but I have yet to discover how to do it. I am using two 2TB disks. ...
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1answer
275 views

How to restore normal boot process after pacman update on EFI?

I just updated my system and upon reboot I've found myself in emergency mode. This is a dm-crypt+LUKS EFI system (thinkpad) using gummiboot. journalctl -xb reports that /boot could not be mounted. ...
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0answers
62 views

Do dracut handles boot parameters mentioned in dracut.cmdline (7)

If I understand correctly, in boot time the kernel will mount initramfs and then calls /sbin/init from it(which is a symbolic link to /lib/systemd/systemd on Fedora/RHEL systems) and dracut itself ...
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2answers
209 views

Run GUI Java jar on system boot Lubuntu

I have a PC which runs Lubuntu 14.10 without a monitor. The user is autologged in. I have created a Sysvinit script and installed it on /etc/init.d. My script amongst other things, starts a jar file ...
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0answers
244 views

Booting Linux from RAM

I want to find a cross-distro solution for setting linux up to boot from RAM. What this involves in essence would be copying an existing installation of linux one way or another over to the RAM (to ...
1
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1answer
117 views

Run a script as root during boot and display in the default linux terminal?

Here's how I configured my kickstart system initialization script (this is a kickstart conf script snippet): ... %post --log=/root/ks-post.log --interpreter /bin/bash cd /root curl --silent ...
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0answers
29 views

How to prepare for a possible unreadable disk from bios after swapping disks?

How to prepare for a possible unreadable disk from bios after swapping disks? I want to switch out my old disk with my working linux mint 16 os and plug in a new disk and install linux mint 17. I am ...
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0answers
48 views

how to run bash script from isolinux.cfg

I've been trying to add an entry to a bash script to my custom cd boot menu.. So I've tried to edit isolinux.cfg and load it instead of kernel but didn't work.. Any ideas??
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1answer
122 views

Linux Mint 17.1 installation

I have been trying to install mint 17.1, but all I can see is a blank screen with just mouse pointer. I had even tried to press Ctrl+Alt+F1, so I don't know which commands to enter from that spot. ...
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0answers
51 views

What is the first event/file/log in linux that appears/changes on boot that signalizes network being up?

I have a vSphere farm with virtual machines and python script that handles cloning and managing of those VMs. I also have a machine (RedHat 6) that I clone if I need a new one. It has a script that ...
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1answer
342 views

Error while booting Ubuntu 14.04 - setterm: $TERM is not defined

Yesterday I restarted my Notebook with Ubuntu 14.04 and got the following error message in between the login-screen and the loaded user interface. Error found when loading /etc/profile setterm: ...
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4answers
2k views

Is there a way to auto turn-on Ubuntu?

Like a command line or a small piece of software I know that there are many ways to auto-shutdown, but I'm concerned about auto-turn-on.
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0answers
52 views

Grub menu doesn't show setup option

I am new to Ubuntu. I had to reinstall elementary off a USB. I Thought it had installed, so I restarted. When the reset was done the grub screen appeared, so I selected normal boot. After that the ...
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0answers
75 views

Kernel loglevel and console manipulation

I want to have two console kernel arguments, one /dev/tty2 for screen and one /dev/ttyAM0 for serial debugging. I can achieve that simply with: console=ttyAM0,115200 console=tty2 I want /dev/ttyAM0 ...
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votes
1answer
52 views

Why does linux tend to be unbootable after terminating it incorrectly? [closed]

I have used for a long time Windows Operating System, on many occasions Windows has been switched off inappropriately for instance by pulling the plug while still running. It happened many times in ...
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2answers
2k views

CentOS - commands in rc.local not run

My /etc/rc.local script is quite simple, like this. #!/bin/sh touch /root/test1 touch /var/lock/subsys/local touch /root/test2 modprobe -r ftdi_sio modprobe ftdi_sio vendor=0x0403 product=0x6015 ...
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0answers
81 views

Shared system partition for multiple linux system

Is it okay to share some partitions for multiple native linux system? For example, if I want to install Ubuntu, Debian and Arch in one harddisk, and I create lvm partition scheme like this: NAME ...
3
votes
1answer
665 views

How to create a bootable hard disk image from an iso image?

I would like install a proprietary operating system onto my CentOS box using VirtualBox. There is a problem though, when I mount the install ISO image as a DVD, soon the installer complains of missing ...
0
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0answers
152 views

System Boot Order not found (Secure boot is not enabled)

I have this problem http://forums.fedoraforum.org/showthread.php?t=299306. Although this thread is not mine, I experience this problem in familiar way. Also when I put live CD, it cannot boot from the ...
2
votes
1answer
419 views

Changing the hostname on a Linux Mint desktop to a random value at boot time

When changing the hostname to a random set of alphanumeric characters on a machine running Linux Mint(17.1 Rebecca, Cinnamon 64-bit) I encounter some problems. The following script changes the ...
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0answers
66 views

CD & DVD check program cdck: Excellent disc! or is it? i/o error does this mean bad disc?

How do I establish that a DVD is "ok"? The DVD boots fine. I'm installing ViciDial, which is built with OpenSuSE v.13.1 64-bit. (So the OS is OpenSuSE?) The md5sum for the DVD checks out: ...
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0answers
298 views

grub errors: invalid file name, disk 'loop' not found, you need to load the kernel first

I need to modify my GRUB settings for dual boot, but don't know the specifics for the custom GRUB entry. Currently using Ubuntu, want to dual-boot an OpenSuSE derivative as below: grub error (where ...
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1answer
148 views

Running init script which starts a deamon in background for reducing boot time?

I'm looking for ways to speed up the boot time on a single core embedded Linux system. Significant lag happens during start up of some custom daemons. Once they are up, they do run in the background, ...
1
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1answer
79 views

How to write a program which can run on a computer without a operating system? [closed]

If there is a computer without operating system, then we can install one on it using a floppy disc or usb stick. While the computer is booting, we push F11 or some other button, then the computer ...
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0answers
28 views

usb drive not working on c710-2487

I am trying to figure out why my c710-2487 chromebook won't recognize the USB stick with Ctrlu. I'm trying to boot bodhi from the USB. I have followed all of the instructions but it still seems like ...