GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Fatal error during grub portion of Ubuntu 12.04 installation

I was installing Ubuntu 12.04 LTS from a USB disk when this error occurred : Fatal errror : grub-install/dev/sda. My laptop is a Dell Vostro 1015 with 2Ghz 64-bit processor, 320GB HDD and integrated ...
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1answer
19 views

Lost the root privilege after try to add the user to a group

My user lost root privilege after try to add the user to a group. It's looks like the "usermod xxxx --groups ..." change the from the root group to the new one, it's a mistake but the thing is my user ...
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3 views

Auto mount encrypted FS with grub2

I have been looking for a way to mount my encrypted partitions automatically during boot up, without asking for password. my setup for this process.. USB key: /boot partition /boot/efi partition ...
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15 views

Uninstall ubuntu from external hard drive + remove bootloader from internal hd

I have created a bootable usb stick with linuxlive and Ubuntu.I then tried to install ubuntu on my external harddrive. However I guess I wrongly picked the drive where the boot section is installed, ...
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2answers
22 views

Can't Reboot into Windows 8.1 from Ubuntu

I am newb in Ubuntu. Currently I am using an Acer V11 laptop with a pre-intalled Windows 8.1. I follow some guideline ...
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2answers
34 views

No Windows Option on Boot

I've installed Ubuntu alongside Windows but at first didn't have a boot option menu. So, I installed bootrepair and ran it. This succeeded in granting me a GRUB boot option menu, but Windows isn't ...
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6 views

Trying to Add Oracle Solaris (SunOS) OS 11.2 as a Dual Boot under Grub2 [migrated]

I was Trying to install Oracle Solaris (SunOS) 11.2 as a Dual Boot under Grub2. I followed the Grub2 instructions for Adding an ISO and I get the following Grub Entry for the Solaris ISO -- ...
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16 views

kickstart installation problem while booting the system

I want to install the ubuntu 12.04 desktop I have prepared the kick-start file and I kept at /var/www/ks.cfg #Generated by Kickstart Configurator #platform=x86 #System language lang en_US #Language ...
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39 views

Ubuntu 14.04/Windows 8.1 dual boot fails after distribution upgrade - no GRUB menu!

I have been successfully using both Ubuntu 14.04 and Windows 8.1 on my Toshiba Satellite Pro C50 since May 2014. After performing a "Distribution Upgrade" via the update manager GUI this morning the ...
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47 views

Error installing linux generic kernel ovh

I have recently purchased a vps from ovh and I was trying to install the generic kernel apt-get install linux-image-generic but I got an error. Setting up linux-image-3.13.0-34-generic (3.13.0-34.60) ...
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17 views

Dual Boot Win7 Ubuntu 13; stopped seeing Win7 after working OK

I have a new PC which I set up some months ago with Win 7 and Ubuntu 12 dual booting, all of which appeared to work effectively as intended. I last closed it down in March. I don't remember which OS ...
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41 views

Make Win7 Bootable After Ubuntu/Kubuntu Install

I had a Win7 install on a raid array (sda...) and added a second drive (sdf) for installing Linux. Installed Ubuntu initially using a Grub boot loader (no problem, Win7 still bootable), but then ...
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10 views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
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1answer
17 views

Help with recoverinig windows Boot manager with kernel-less grub?

I installed a dual boot Ubuntu with windows 8 a while ago on my sisters computer, but I didn't need Ubuntu anymore. So I followed instructions on how to remove Ubuntu, grub, and restore windows boot ...
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1answer
38 views

Ubuntu boots to grub terminal

I have a dual boot laptop with Ubuntu 14.04 and Windows XP. I Normally use Ubuntu, and I hadn't gone to windows in a long time, so I wanted to test it. After I was done, I restarted the laptop to get ...
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6 views

Restore factory setting option in boot menu not working

When I switch on my laptop,after few seconds boot menu comes where restore to factory setting option is available but when I click enter to that then nothing happens.I am using Ubuntu 12.04LTS and ...
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61 views

Ubuntu 14.04 kernel upgrades not changing default

So i have 3.13.0-34 & 3.13.0-33 & 3.13.0-24 all installed but the system constantly sticks with 3.13.0-24. update-grub does not seem to change this. grub configuration says boot entry 0. I'm ...
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27 views

after upgrade to 14.04 kernel remains 3.2.0

I upgraded from 12.04 to 14.04.1 using the update-manager. During the upgrade there was an error about emacsen-common and I do not overwrite the file menu.lst. After the upgrade lsb_release -a gives ...
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12 views

“/usr/sbin/grub-probe: error: failed to get canonical path of `'.”" when using grub customizer

I updated to Ubuntu 14.04.1 and now I can't get into Grub Customizer. I am getting the following errors: chroot '/media/grub-customizer_recovery_root_mountpoint' grub-mkconfig couldn't be executed ...
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1answer
15 views

Gave Up Waiting For Root Device When Booting, but UUID Matches

I am getting a "gave up waiting for root device" error message whent trying to boot into Ubuntu. Live CD works perfectly, and I've tried Running the Boot Repair with no success, it seemed to have ...
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2answers
44 views

Installing Ubuntu alongside pre-installed Windows 8 [duplicate]

I am currently trying to install Ubuntu on my new laptop that came with Windows 8 pre-installed. Here's what I have done: - created bootable flash drive with Ubuntu installer - created a partition ...
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1answer
25 views

data loss on crash during ubuntu upgrading 12.04 to 14.04 on dual boot pc

While Upgrading ubuntu 12.04 to 14.04 I had a crash. When I try to boot from ubuntu (I have dual boot -ubuntu vista 7- Sony Vaio laptop) I get the following messages: target filesystem doesn't have ...
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14 views

Ubuntu partition “unallocated” and Win7 BSODs

I've successfully used Boot Repair to get out of booting binds in the past, but this time I'm stuck and was directed by Boot Repair to share the following web address in a trusted forum such as this: ...
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1answer
59 views

USB Keyboard & Mouse Stopped Working (Ubuntu 14 LTS)

I've been using Ubuntu 14 LTS on my work desktop, laptop, and home desktop without any problems. Does anyone know what I can do? What Works: Keyboard on Boot Keyboard in BIOS Keyboard/Mouse on ...
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5 views

Windows is not in grub menu after trying to put password on

so I put a password on my menu entries followed this How to password protect grub menu entry? guide exactly and now I don't see Windows 7 in grub on a reboot the ubuntu installation is password ...
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2answers
21 views

Grub rescue Unknown filesystem error

I have an HCL ME laptop which has a built in windows 7 os. 3 days before I have installed windows 8 along with windows7. Yesterday I have downloaded ubuntu 14.04 iso and installed it using portable ...
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13 views

Installing grub for ubuntu 14.04 from ubuntu 13.10 Live DVD

I had installed windows 7 recently and thereby lost my grub. but my Linux partition is still there... I had Ubuntu 14.04 installed previously. I want to reinstall the grub from a live CD.But I don't ...
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1answer
50 views

Stuck at unresponsive ubuntu logo screen after upgrading to 14.04

When i upgraded to 14.04 and restarted the computer to finish the upgrade, ubuntu started to freez at the ubuntu logo with 5 orange dots screen. it didn't respond to Esc or alt+F1 or F2. However it ...
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1answer
63 views

Boot Ubuntu with latest kernel version

My Ubuntu 14.04 updated with latest kernel version (3.13.0-34-generic) but when I type uname -a it gives me this output: Linux kasiya-pc 3.13.0-33-generic #58-Ubuntu SMP Tue Jul 29 16:45:05 UTC 2014 ...
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9 views

Luks encrypt / with a key stored in /boot

First, I know it sounds a little weird to do this (putting a key in plaintext on a drive), but here's why I want to do it this way: If I ever want to give the computer/drive to someone else, I want to ...
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2answers
30 views

Dual-boot suddenly not showing grub menu

I have a Windows 7 / Ubuntu 12.04 dual-boot which I have been using for some time without issue. While booted into Windows, my computer froze (for reasons unknown, just completely locked up 100%), so ...
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11 views

Ubuntu does not reboot

My Ubuntu 14.04 LTS suddenly to give me a GNU GRUB menu to select Ubuntu, Ubuntu Advance Option, I tried to use DVD to reboot, but it does not reboot from my DVD. I enter 'c', it give me command line. ...
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26 views

Upgrade to14.04 LTS caused WIN 7 and dual boot to not work

I upgraded from 12.04 LTS to 14.04; It ended up breaking my dual boot. Long story short; I did a restore/recovery of WIN7. Now I have no dual boot, just WIN7. Assuming 14.04 LTS is intact "hiding" ...
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2answers
49 views

What should I do to avoid my roommate from changing my password through using system recovery mode .?

He did this last time when I left my laptop at room. Opened the system recovery mode from advanced Ubuntu options and changed the password using 'passwd usrname ' command.Is there anything I can do ...
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12 views

Lubuntu 14.04 LTS Upgrade Question (Grub)

Background I have a headless Lubuntu system and have no possibility to add a monitor (Believe me I have tried). When this has gone down in the past (only once) I have had to take the primary disk ...
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1answer
36 views

BOOTMGR missing after installation of Boot-repair: Ubuntu 14.04 onpre-existing Windows 7

I have encountered this problem on my notebook (with pre-existing Windows 7). Initially, I wanted to install Ubuntu 14.04 alongside Windows, and the Ubuntu installation went well. However, when I ...
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41 views

Boot-Repair Broken Windows Boot

I have a HP laptop with preinstalled Windows 8. I recently added a second hard drive and installed Ubuntu on it, but GRUB wouldn't display its usual GUI, just a command prompt, and I couldn't access ...
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1answer
19 views

Stuck on kernel 3.8

I have a DigitalOcean VPS that is somehow stuck on kernel 3.8-generic, which is shown when I run uname -a. However, the only kernels in /boot are: My sources are such: deb ...
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0answers
17 views

How to set up a ram-disk [duplicate]

I need a RAM-DISK to move data between two applications and have been using Google to learn about it. I have found articles that talk about tempfs and /dev/shm. Apparently /dev/shm points to ...
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1answer
36 views

Win8 + Ubuntu 12.04: Grub loader menu is not shown any more

I am sorry if this is a duplicate. Several months ago I managed to get Ubuntu 12.04 working on my laptop together with preinstalled Windows 8. It was quite a complicated procedure and this forum ...
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6 views

Grub2 icons question

Every time grub updates, due to normal updates, I lose some icons on the grub menu. I have to manually edit the /boot/grub/grub.cfg file and add '--class ubuntu' (or whatever) to lines that no longer ...
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1answer
79 views

Ubuntu 14.04 installed alongside with Windows 8.1 but the system boot directly to Windows once I logged into Windows and restart

I was able to install Ubuntu 14.04 in my Windows 8.1 pre-installed PC. I was able to have the dual boot of the system. GRUB menu works fine, i.e. it shows both Ubuntu and Windows Boot Manager, and the ...
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1answer
15 views

How to get into GRUB on Presario CQ43 hp laptop to change root password without cd drive?

My laptop model: hp compaq Presario CQ43. Operating system: win7 Dual boot: windows, Ubuntu.. Trying to get into Grub menu by pressing shift key with hold immediately after powering on laptop. Unable ...
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12 views

How to edit grubenv manually?

I remember there is a command to manually edit grubenv, but I forget and cannot find it. Anyone knows? Thanks a lot.
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12 views

Cannot find Windows 7 in GRUB anymore

I'm not able to find Windows 7 in the GRUB anymore. Tried GRUB reinstall, boot repair etc. More details are available in below URL created by boot repair tool. http://paste.ubuntu.com/8037517/ ...
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10 views

Problem boot from secondary disk (dual os instalation)

i have an asus notebook with two hard drive (ssd and hdd). The first one with windows 8, and the second with my documents. Yesterday, i install ubuntu int he second disk (creating all the 4 partitions ...
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32 views

Installed Ubuntu and now my Windows 8 installation is no longer recognized?

I installed the latest version of Ubuntu last night on my Lenovo T440s and Ubuntu runs perfectly. In fact, the only reason I need to get back onto Windows is for my files, but now Windows 8 does not ...
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1answer
22 views

Grub menu is not displayed

Previously I used dual boot Ubuntu12.04 and Windows8. I updated to 14.04 due to which my grub menu shows 12.04, 14.04 and windows 8. I removed windows8, yet the grub menu shows it.So I removed the ...
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1answer
45 views

How to boot load the kernel using EFI stub (efistub) loader?

I have Ubuntu 14.04 running in UEFI mode as only operating system, no dual-boot here. The kernel version is 3.13.0-24-generic. There is an EFI partition. In this case the EFI partition is not at the ...
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1answer
20 views

GRUB loads recovery and NOT Ubuntu

I've been wondering why my computer is loading GRUB recovery and not Ubuntu, I believe this could be because the laptop battery died while the package manager was running and the package manager was ...