For questions regarding the installation of two or more operating systems on a single computer.

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169
votes
7answers
458k views

Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)

I bought a computer with preinstalled Windows 8. But I didn't like Windows 8, so I decided to install Ubuntu as a second operating system. I'm absolutely new to Linux. I have been using Windows for ...
82
votes
9answers
103k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
45
votes
7answers
51k views

How to prevent automount of NTFS partitions on startup ?

I have two NTFS partitions, and I don't want to mount them everytime I start Ubuntu. How can I do this ? Is there a tool or a code to use? If so, is it safe to automount? specially when they are ...
36
votes
14answers
91k views

How can I install Windows after I've installed Ubuntu?

I have Ubuntu on my laptop. Now I want install Windows 7 in a dual-boot. How can I do this? I can't lose my Ubuntu files, and I'm afraid that I might break GRUB.
32
votes
1answer
39k views

Dual boot Surface Pro with Ubuntu?

How could I setup a dual boot for Ubuntu and Windows 8 on my Microsoft Surface Pro with 128 GB. Note: My dual boot solution is below.
28
votes
1answer
14k views

How do I set up a dual boot with Windows and Ubuntu?

I currently have Windows 7 on my computer and I want to install Ubuntu alongside Windows safely. Could someone please provide a good tutorial? Thanks!
24
votes
6answers
18k views

Automatically mount NTFS drive when I login

I use Ubuntu 11.10 and Windows7 dual boot with Ubuntu as my primary OS. Every time I need to access a document I need to mount the respective drive, though this is not at all tiresome, still, is ...
17
votes
2answers
1k views

How do I burn multiple Ubuntu isos on one DVD?

I always find it a waste putting a 790MB Ubuntu iso on a 4GB DVD, and I was wondering how to put multiple operating systems on one DVD with a grub menu. I know it is possible, but I just don't know ...
15
votes
6answers
6k views

To use Windows and Ubuntu on one computer, which should I install first?

I understand it's possible to install Ubuntu first, and later Windows or to install Windows first, and then Ubuntu, but assuming I have the freedom to do either, which is the better, easier, and more ...
15
votes
6answers
8k views

How to reboot into Windows from Ubuntu?

I'm looking for a way to reboot into Windows from Ubuntu on a 10.10/Vista dual boot system. The specific use case is that I would like to be able to ssh into my running Ubuntu instance and issue a ...
15
votes
7answers
14k views

Should I choose exFat or NTFS for a “shared” partition in a dual-boot system?

I have a new laptop which I am setting up as dual boot Windows/Linux. I would like to access files from both Ubuntu and Windows 7. Should I create a separate NTFS partition?
15
votes
5answers
14k views

A common /home partition for multiple Linux distributions

I have an Ubuntu installed in one partition, Debian on the other and now I am planning to install backtrack and SUSE also. Debian mounts a separate partition as its home mount point, whereas Ubuntu ...
14
votes
5answers
14k views

How do I scan my windows partition for viruses from Ubuntu?

I think I might have a virus on my windows partition and I want to scan it from Ubuntu. Is this possible? I would like a program that is free. clamAV I tried clamAV but I couldn't find a setting ...
14
votes
3answers
5k views

Is a /boot partition necessary anymore?

A fair while ago (~ 2004) I was told to always create a separate partition for the boot directory. And since then I always have. But after reading a few questions about partitioning questions, I'm ...
14
votes
4answers
740 views

Is there a better option other than NTFS for a shared HD between Ubuntu and Windows 7?

I have a PC with dual-boot, and I have installed Xubuntu (always newest version) and Windows 7. I have a new HD and I would like to be able to access it from both OS. I suppose NTFS would work since ...
14
votes
2answers
10k views

How to get grub2 to remember last choice?

Grub2 - Community Ubuntu Documentation says the following: Saving an OS can be achieved by running sudo grub-set-default if DEFAULT=saved is set in /etc/default/grub. It may also be saved if ...
14
votes
6answers
74k views

How to install Windows 7 after Ubuntu and dual boot? [duplicate]

I just installed Ubuntu, a full install removing the prior OS. I was forced to remove Windows 7 from my HP dv6 because of the max four partitions already being there. I didn't lose anything, all ...
14
votes
5answers
4k views

Why can't I install Ubuntu or Wubi on a dynamic disk? (“The request isn't supported” from bcdedit.exe)

I've been trying to install 12.04 for a while now, I'm running on Windows 7 and I already made the partition (it's dynamic). I've tried booting from a disc and also the Windows installer. I haven't ...
14
votes
4answers
79k views

Grub rescue - error: unknown filesystem

I have a multiboot system set up. The system has three drives. Multiboot is configured with Windows XP, Windows 7, and Ubuntu - all on the first drive. I had a lot of unpartitioned space left on the ...
13
votes
2answers
869 views

One click shutdown Ubuntu and load into alternative bootup

I have a dual boot system with Ubuntu 11.04 and Windows 7. My GRUB bootloader defaults to Ubuntu. I mainly use Ubuntu, but I occasionally need to bootup Windows to do a few things. If I need to do ...
13
votes
3answers
30k views

My main username is not in the sudoers file

I was trying to install some software/edit files with my main username(not root) But I got this error [X] is not in the sudoers file. This incident will be reported. I tried to edit the /etc/sudoers ...
12
votes
7answers
3k views

How can I tell if I installed with wubi?

It sounds odd, but I really can not remember how I installed my ubuntu. What I am sure is, I had Windows 7 installed on the laptop in the very beginning, then I installed ubuntu so that this is a ...
12
votes
7answers
33k views

Grub does not show a Windows 8 option after dual boot

So, I've successfully dual-booted my Windows 8 machine with Ubuntu 12.04 . However, I still don't have a convenient method of choosing what OS to load at boot time. After installing Ubuntu, my ...
12
votes
4answers
22k views

Windows 8 removes Grub as default boot manager

I have a Sony VAIO S series with Windows 8 preinstalled, and I installed Ubuntu 12.10 on a new partition. When the PC boots Grub is display, and I can choose between Windows 8 (didn't worked at the ...
11
votes
4answers
60k views

How to set Windows bootloader as default bootloader?

I have a Win 7/11.10 dual boot system with Grub 2 as the default bootloader. However, I want to make Windows bootloader the default bootloader (grub 'dos' like interface scrares the hell out of my ...
10
votes
2answers
3k views

What is the .Trash Folder on the NTFS partitions?

When using a dual-boot Windows and Ubuntu. I see that there is a folder created with the name .Trash-1000 in the NTFS partitions. Could someone explain to me : What does this folder mean ? For ...
10
votes
1answer
8k views

How can I install Ubuntu encrypted with LUKS with dual-boot?

Ubuntu 13.04 installation disk has an option to install Ubuntu encrypted using LUKS. However, there is no option to perform an encrypted installation along-side existing partitions for a dual-boot ...
10
votes
1answer
3k views

Cannot detect Windows 8 from Ubuntu 12.04 Live USB installation on Toshiba qosmio x870

From other questions raised, I read that if Ubuntu Live USB boots in UEFI mode then it should detect Windows 8 during installation. During installation, I only see two options, Erase disk and install ...
10
votes
0answers
5k views

How to mount NTFS drive at startup [duplicate]

Possible Duplicate: How to automount NTFS partitions? I'm not even sure if this is the right question, but basically I have a partition with Windows 7 on it (named Acer in my Ubuntu places ...
9
votes
4answers
32k views

How do I hide the GRUB menu showing up in the beginning of boot?

I stopped Dualbooting and I dont want to have to choose the OS anymore and just have it load Ubuntu like normal like before? Any help is appreciated.
9
votes
4answers
2k views

How to avoid problems when installing Ubuntu and Windows 7 in dual-boot?

I want to try out Ubuntu (and hopefully choose it as my primary OS). After looking at many versions of it in VirtualBox and from Live CD, I've finally decided to install it. So I defragmented and ...
9
votes
4answers
3k views

Replacing Windows with Linux Ubuntu 12.04 LTS

I am working on the best way to eliminate Windows XP from my older desktop and replace it with Linux Ubuntu 12.04 LTS as my sole operating system. I've done a dual boot alongside Windows to get used ...
9
votes
1answer
623 views

How do I dual boot Windows XP and Ubuntu?

I already have Ubuntu installed on the machine and a spare NTFS partition.
9
votes
2answers
7k views

Nexus 7 dual-boot with android?

Is it possible to install Ubuntu in parallel to Android on the Nexus 7 (dual-boot), or not? If not, how hard would it be to add the feature? It should be just a matter of adding another partition and ...
9
votes
1answer
259 views

How can I protect my data when lending my computer to someone?

I'm going to lend an old PC with dual boot (Ubuntu and Win XP) to a friend for few days. Ubuntu contains a lot of data that I want to keep confidential. I have protected my session with a strong ...
9
votes
2answers
106 views

Is it possible to hibernate Ubuntu and run secondary OS?

Is it possible to: hibernate Ubuntu, run secondary OS (say Windows 7), shut down secondary OS, resume hibernated Ubuntu, or not? Ubuntu should (AFAIK) hibernate to SWAP partition, which is not ...
8
votes
5answers
14k views

How to switch between Ubuntu and Windows 7 without a reboot

I have installed windows 7 and then Ubuntu 11.04. Now I want to know how I can switch from Ubuntu to Windows 7 and from Windows 7 to Ubuntu without restarting the computer.
8
votes
6answers
21k views

How to change the time for OS selection menu in GRUB?

I have Windows 7 and Ubuntu 12.04 in my system and i saw that the default time for os selection menu is only 10 sec, as i am new to Linux can anyone tell me how to increase this time?
8
votes
3answers
5k views

Why does time change in Ubuntu after installing Windows

Today I was installing Windows 7 on the same computer I have Ubuntu. For some reason, after installing Windows 7 and going back to Ubuntu the time went from the correct hour at that moment, 12:30PM to ...
8
votes
6answers
34k views

Configure Dual Boot, Windows 7 and Ubuntu 12.04 with or without EFI

I have just installed Ubuntu 12.04 on a laptop with Windows 7 but I don't get to boot from Ubuntu. First, during the installation I made these partitions (may be too many): /dev/sda1 FAT32 SYSTEM ...
8
votes
1answer
9k views

How do I skip the Grub menu on a dual-boot system?

I have Ubuntu and Windows 7 installed and dual booting via Grub2. 99/100 times I will boot into Ubuntu. I want to speed up my time for booting into Ubuntu and really the Grub2 prompt is the part ...
8
votes
1answer
33k views

grub rescue prompt after install installing Ubuntu in a dual boot [duplicate]

Possible Duplicate: How can I repair grub? (How to get Ubuntu back after installing Windows?) I have dual boot with Windows 7 And Ubuntu 11.10. Yesterday I tried installing Ubuntu 12.04 LTS ...
8
votes
4answers
18k views

Deciding between virtual machine or dual-boot setup

I would like to set-up a PC to run ubuntu most of the time, but also need to run XP for specific applications and testing. In the past I would have simply set up a dual boot machine and then restart ...
8
votes
3answers
15k views

How to restore Windows XP menu entry in GRUB?

I'm using Lubuntu with WinXP in dual boot for several weeks. Today I've ran update and GRUB now does not show WinXP menu entry in GRUB. sudo update-grub didn't found Windows. /boot/grub/menu.lst - ...
8
votes
4answers
12k views

How can I download Windows 7 DVD installers from Ubuntu?

I have rights for a free license of Windows 7, given by my University, and I need it now. According to Microsoft's instructions, to download the Windows DVD image I must: download a Secure Download ...
8
votes
7answers
22k views

Hide GRUB2 menu UNLESS you hold down Shift key: how to make this happen?

I have a Ubuntu - Windows 7 dual-boot set-up, and I would like to have it that my laptop would boot up Windows 7 unless I press down the Shift key right after boot and bring up the Grub2 menu from ...
8
votes
4answers
8k views

How to uninstall Windows from a Dual Boot system?

I installed Ubuntu in the dual-boot configuration so that I can still boot up in Windows. But I just want to get Windows off of the machine. Anyone know how to do this without having to go through ...
8
votes
1answer
3k views

Can I share MySql database files with Windows on dual boot?

I'd like to use in both Ubuntu and Windows (dual boot) my MySql database files residing on a NTFS partition. Will it work? Any gotchas?
8
votes
3answers
18k views

“invalid EFI file path” while booting Windows [closed]

I just got my new working notebook with Windows 8 pre-installed. After installing Ubuntu 12.10 the grub menu says that there is an "invalid EFI file path" and it won't boot Windows. Ubuntu works ...
8
votes
3answers
36k views

How can I add an entry for Ubuntu to the Windows 7 boot menu?

I have the following setup: first partition is windows 7 partition second partition - ubuntu 12.04 partition while installing ubuntu I installed grub2 bootloader to ubuntu partition mbr contains ...