Questions related to live USB devices, which allow you to test drive Ubuntu without installing it on your hard drive.

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69
votes
3answers
51k views

Ubuntu 14.04 LTS live USB boot error (gfxboot.c32:not a valid COM32R image)

I downloaded Ubuntu 14.04 (64 bit) lts. I made a bootable usb stick. But I keep receiving this error message upon booting: SYSLINUX 4.04 EDD 20110518 Copyright (C) 1994-2011 H. Peter Anvin et al ...
59
votes
7answers
247k views

How to create a bootable Ubuntu USB flash drive from terminal?

Is there any way to create a bootable Ubuntu USB flash drive from the terminal without using any third-party applications like YUMI,Unetbootin, etc. I tried to create a bootable Ubuntu flash drive ...
53
votes
9answers
115k views

How to create a bootable USB with multiple ISO images in it

What I want is to create a bootable pen drive that shows GRUB menu and I can select any of the several bootable systems from there to install/run. I have several ISO images that I want to install in ...
44
votes
7answers
27k views

“Boot Error” on live-usb flash drive with 15.10

I'm trying to install Ubuntu 15.10 32bits on a Samsung NP-N150-JP05FR, with a live usb created with usb-creator-gtk (from ubuntu 15.10, as superuser) on a FAT32 usb flash drive and get this error : ...
43
votes
3answers
155k views

How to create UEFI-only bootable USB live media?

Having live media that can boot both ways can be a problem when installing Ubuntu onto currently available Windows 8 computers. In other words the key advantage to creating UEFI-only bootable USB ...
37
votes
7answers
92k views

USB drive install of Ubuntu 12.04 Server fails - can't find components from CD-ROM

I'm trying to install Ubuntu 12.04 Server (32bit) on a machine here using a USB stick. I used the Universal-USB-Installer-1.8.9.4 which has support for 12.04 server to get the ISO onto the USB drive. ...
29
votes
4answers
40k views

How to bypass “Try it / Install” screen when booting from USB Live Session? (without installing in the USB)

This has been asked several times already (I found it here, here and here), but basically everyone simply recommend to perform a full install to the USB stick. But I do need it to stay as a LIVE ...
29
votes
3answers
48k views

How to make a persistent live Ubuntu USB with more than 4GB

I want to make a persistent live Ubuntu/ Mint usb drive with more than 4gb of storage. I know there is an option of installing linux directly on the drive but I dont want to do this as it will ...
27
votes
4answers
122k views

Failed to get canonical path of /cow

I am trying to install Ubuntu 12.10 for quite some time, and passing hurdles one by one. Now I am in a situation as follows. I have got a PC and 10 GB HDD which will be totally dedicated to Ubuntu so ...
25
votes
5answers
38k views

Why isn't Startup Disk Creator working in 12.04?

I'm trying to create a bootable USB stick (7.5G) for Ubuntu 12.04 (x86_64) from another Ubuntu 12.04 x86_64 PC. I downloaded the Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425). When ...
23
votes
6answers
72k views

How do I create an Ubuntu live USB using a Mac?

I'd like to create a live USB stick on a Mac so I can install Ubuntu on another machine. How do accomplish this?
22
votes
1answer
11k views

“Continue button” grayed out in “installation type” screen during 13.04 installation

I'm installing Ubuntu 13.04 onto my 32-bit Intel Core 2 Duo CPU, from a live-usb. One of the screens says "Installation type", with the three options "Install Ubuntu alongside Windows Vista" or ...
21
votes
1answer
104k views

Cannot update grub with paramters on live USB

I have booted from a live USB ("Try Ubuntu"), that also has a persistent option set (I used LiLi to create one) to do some tests for this pcie hotplug issue I'm having. I'm trying to test some boot ...
20
votes
4answers
1k views

What version is this Live CD / Live USB?

I often have a number of Live CDs sitting around (actually USBs) and I'm not always sure which version is which. Is there some quick way to find out the Ubuntu version I'm looking at? Perhaps a file I ...
20
votes
2answers
13k views

How to boot from a USB drive in VirtualBox?

The question is simple and straight forward: How to boot from an USB drive in VirtualBox? EDIT: I have attached usb to VirtualBox as shown in the screenshot. But it is not possible to boot from ...
20
votes
3answers
109k views

How to install the MPEG-4 AAC decoder and the H.264 decoder?

Where do I get the MPEG-4 AAC decoder, and the H.264 decoder. How to install them and play the multimedia?
19
votes
3answers
16k views

How to boot from ubuntu live usb with 'try ubuntu' directly?

I created an Ubuntu 10.10 live usb with persistence feature. And it works well on my PCs. But one thing annoys me is that each time I boot from live usb, I have to choose between "Try Ubuntu" and ...
19
votes
4answers
38k views

How to make an Ubuntu live USB stick in Fedora?

I have Fedora installed on my desktop and I want to make a live USB stick with Ubuntu to install it on a laptop. What's the easiest way to do it?
19
votes
7answers
61k views

Create USB installer to install Ubuntu from the command line?

I'm trying to create a bootable USB image to install Ubuntu on a new computer. I have done this before following the "create USB drive" instructions for Ubuntu desktop, but I don't have an Ubuntu ...
18
votes
7answers
30k views

Why can't I mount the Ubuntu 12.04 installer ISOs in Mac OS X?

Over the past few days, I have downloaded both the 32 and 64 bit version of server and desktop to install on an Intel based PC. It is normal from within OS X to double click on an ISO and it will ...
18
votes
1answer
33k views

Memtest with Ubuntu 12.04 live CD

I've probably missed something but I can't find the memtest option when booting from my Ubuntu 12.04 Live USB. Could someone please tell me how to get to it?
15
votes
6answers
25k views

What would be the differences between a persistent USB Live Session and a installed Ubuntu in a USB drive?

I'm a teacher and will ask my students to either bring their laptops with Ubuntu installed with an specific list of packages preinstalled or bring a USB Drive or External Hard Drive with Ubuntu and ...
15
votes
5answers
169k views

SYSLINUX: No DEFAULT or UI configuration directive found! [duplicate]

I have a USB live key created with Linux Live USB creator. I used all the defaults, and got a standard version of Ubuntu. When I try to boot into it, I get the error above. I went through the rest of ...
15
votes
2answers
19k views

How do I get a live-USB to use a partition for persistence?

I want to install Ubuntu to a USB hard drive so that it will run on all systems, that can run the LiveCD and store persistent data on a regular ext4 partition rather than a casper-rw file. In every ...
14
votes
3answers
8k views

Broken sudo: can't open /etc/sudoers: No such file or directory

I have a live USB persistent version of Ubuntu 11.04 installed with Unetbootin. After some time I experienced some bugs while upgrading the kernel and trying to use my second screen on my laptop. ...
14
votes
1answer
7k views

Is there a command-line alternative to usb-creator-gtk?

I'm trying to create a bootable USB stick of ubuntu-11.10-desktop-i386.iso using usb-creator-gtk on my ThinkPad X220. Usb-creator-gtk appears to work OK, but the resulting stick fails to boot either ...
13
votes
9answers
24k views

How do I install Ubuntu from an USB drive / create a live USB-stick in Windows?

I tried to use the usb-creator.exe from Ubuntu 10.10 desktop i386 ISO image and it does create an USB stick that doesn't boot. When I try to boot from it I get: Operating System not found. I try ...
12
votes
2answers
30k views

Cannot boot from USB disk with “not a COM32R image” error

After installing 11.10 on my Dell Studo 15 (Model 1557) laptop, it started to overheat. Recently it even shutdown twice saying that critical temperature has reached even when I was just idling (not ...
12
votes
4answers
44k views

How do I make an Bootable Ubuntu USB?

How do I make an Bootable Ubuntu USB? Containing the the latest version of Ubuntu? For completeness, how would I be able to do this on Ubuntu, Windows, OS X or another Linux distro?
11
votes
4answers
73k views

How to create Windows XP LiveUSB using Ubuntu to replace it

I am using an Acer Aspire One netbook with no CD-disk drive, and would like to uninstall Ubuntu 12.04 LTS and install Windows XP in its place. The problem here is that I can't seem to find a program ...
11
votes
6answers
11k views

Startup Disk Creator shows no free space on my USB stick

I am having a problem trying to use Startup Disk Creator with my 8GB USB stick. The USB stick has just been formatted, but Startup Disk Creator shows that there is no free space on the drive, although ...
11
votes
4answers
4k views

If I can, how do I install Ubuntu from Ubuntu?

Here's what I mean: I normally install by running a Ubuntu Live USB, clicking "try" Ubuntu, and when I'm ready, I double-click the "Install Ubuntu" icon on the desktop. Now, I have an eSATAp port ...
10
votes
10answers
66k views

How to fix syslinux error creating a bootable USB stick in Windows?

I downloaded Ubuntu 12.04 desktop and I am trying to create a bootable USB drive using the universal USB installer. However, I keep getting the message: An error(1) occurred while executing ...
10
votes
2answers
12k views

Ubuntu Live USB won't boot, “Failed to load COM32 file menu.c32”

I'm hoping to revive an old netbook I have laying around by installing Linux on it. I did what I gather most of us are supposed to do: I created a Xubuntu 14.10 Live USB with Unetbootin, plugged the ...
10
votes
2answers
758 views

How to create a live system on usb-drive with persistent changes on disk/hdd

I was trying to install Ubuntu live on a USB-drive with persistent changes. However i wanted to write the changes to HDD instead of USB for various reasons (Performance, Space). I found out, that the ...
10
votes
1answer
4k 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 ...
9
votes
4answers
84k views

How can I create a LiveCD/LiveDVD/LiveUSB?

How can I create a Ubuntu LiveCD/LiveDVD/LiveUSB?
9
votes
2answers
652 views

How to create an bootable .iso file from Ubuntu Live USB?

I have an Ubuntu 14.04 Live USB (32 GB). Is it possible to create a bootable .iso file from the Live USB ? how can I create a bootable ISO?
9
votes
3answers
9k views

How can I make an Ubuntu recovery image on external media?

I am about to expand my Ubuntu partition, so I think I should make a backup of current one in case something goes wrong. Is there some software to make a bootable USB and recovery image?
9
votes
4answers
46k views

How do I burn the Windows 10 ISO to a USB?

I did the dd method and it worked but I'm not sure that's all you have to do because it is Windows and may not have GRUB and I'm not sure so I'm asking the experts haha. WINUSB DID NOT WORK BECAUSE ...
9
votes
4answers
5k views

Automatically choose “Try Ubuntu without Installing” after booting from USB Startup Disk

I have created a usb bootup stick for 10.10, and reduced the timeout to 0 sec... but after it boots up it shows two options either to install or try ubuntu... I want to avoid this screen and directly ...
9
votes
3answers
1k views

Live USB faster than full install

When I run 11.04 from a USB flash drive, it works the way I suspect it should - quick and responsive. With a full install, on the other hand, I click the home button and I have to wait four seconds to ...
8
votes
1answer
8k views

How to make a USB stick swap disk?

OK , I know this sounds a bit silly and solid state drives like a USB flash stick are probly the last thing on earth you want to use as a swap disk since they could go bad pretty quick from all the ...
8
votes
2answers
9k views

Difference between LiveCD, LiveUSB, full-install, and persistence?

I am currently running Ubuntu as a guest vm on a Win 7 host via VirtualBox, but I would like to have a portable version of Ubuntu when I am not using my laptop. I am unsure as to the difference ...
8
votes
4answers
6k views

Remove welcome screen from Live USB?

I created a Live Ubuntu 10.10 with persistent storage on a USB drive. On every boot the Welcome screen appears where you can select the language and choose to try Ubuntu Live or to install Ubuntu. ...
8
votes
1answer
3k views

Using apt-get install in a live environment

I would like to know where does data stores when I use apt-get install in a live environment (2GB USB). Does this write data on the HDD? Thanks.
7
votes
5answers
19k views

USB's storage capacity reduced to 2 MB from 16 GB

I downloaded ubuntu-13.04-desktop-amd64. On Ubuntu's web page, I saw a link for making a bootable USB drive option, then I downloaded Universal-USB-Installer-1.9.3.3 and I made my USB bootable. ...
7
votes
2answers
30k views

From terminal , how make a LIVE USB for all distro's ,not only for Ubuntu? [duplicate]

Possible Duplicate: Create USB installer from the command line? With curiosity I have on terminal, I came to this step. How can I create Live USB from terminal? Is there any tool i got to ...
7
votes
3answers
9k views

Can I write to the USB stick that I'm running Ubuntu from?

I'm running Ubuntu from a "Try Ubuntu" file that I downloaded to my USB stick and booted from. Can I mount that very USB stick and write to it while running Ubuntu from it? If so, how? Edit to ...
7
votes
3answers
19k views

Live USB on a 2-partition usb-drive

I was wondering if I could have 2 partitions on a USB-drive that would allow me to boot on my key as a regular USB-installation-disk (partition1), and another partition for regular storage under ...