Questions related to live CDs, which allow you to test drive Ubuntu without installing it.

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38
votes
5answers
4k views

How can I prevent someone from resetting my password with a Live CD?

Recently one of my friends came over to my place, within 15 minutes he hacked my account using a Live CD and reset the password in front of me. I was baffled to see such a thing. Please guide me to ...
20
votes
9answers
45k views

How do I repartition with GParted? [duplicate]

I wanted to create more space for Ubuntu on my hard disk in favor of my Windows partition. I booted the livecd and resized the NTFS partition to 100 GB. Then I wanted to resize my Ubuntu (ext4) ...
19
votes
6answers
5k views

How can I check the integrity of a downloaded Ubuntu CD?

I've just downloaded a CD image of Ubuntu. I know the installer has a check CD option, but how can I check that the image is good before burning it to CD?
17
votes
5answers
486 views

How can I put old Ubuntu CDs to good use?

I have a fair number of older Ubuntu CDs sitting around for releases that are not supported anymore. They have beautiful pressed labels and sleeves that I would hate to just throw away. What can I do ...
16
votes
4answers
1k views

What's the difference between Ubuntu for free and the Official CD for $5?

What's the difference between Ubuntu 12.04 LTS for free and the Official CD of Ubuntu for $5? I didn't know the difference.
15
votes
6answers
40k views

How to boot live iso images?

I found that it can be done with loopback as follows menuentry "Lucid ISO" { loopback loop (hd0,1)/boot/iso/ubuntu-10.04-desktop-i386.iso linux (loop)/casper/vmlinuz boot=casper ...
15
votes
2answers
412 views

What are some alternatives to upgrading without using the standard upgrade system?

What are some alternatives to upgrading without using the standard upgrade system? Suppose for example that I wanted to upgrade an Ubuntu installation on a machine with a poor Internet connection. ...
13
votes
6answers
9k views

Installer gets stuck with a grayed out forward button

I have a CD with Ubuntu 10.10 and a laptop with Ubuntu 8.10. The laptop had all sorts of crud on it, and anything I wanted to keep was backed up on an external drive, so I was happy to do a wipe and ...
13
votes
4answers
373 views

What are the legal consequences of customizing the LiveCD?

the organization I work at wants to create a custom Ubuntu LiveCD, the customizations are: Pre-installed programs, plugins, some device drivers, and aesthetics such as icons and backgrounds, as well ...
12
votes
3answers
3k views

Will Ubuntu live cd/dvd work with no hard drive installed?

I have no hard drive installed, Only USB thumb drive. Will this be a problem?
10
votes
3answers
48k views

Live CD asks for a username and password

When I boot Ubuntu 10.04.3 from a live CD, it asks me to enter a username and password. I have not booted before, and I haven't created an account.
9
votes
3answers
8k views

Howto run Ubuntu with UEFI and Intel Smart Response Technology

This question has NOT been answered by the following due to them saying to permanently disabling these features Installing Ubuntu on a Pre-Installed UEFI Supported Windows 8 system Install ubuntu on ...
9
votes
4answers
16k views

No sound in 12.04 on VirtualBox

No sound when installed in VirtualBox. When I boot from the live CD in Windows, sound works fine on my speakers. When in boot the live CD in VirtualBox it does not see my speakers. In sound properties ...
9
votes
3answers
961 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
4answers
17k views

Installing Ubuntu 12.04 without installing Grub

Using the Ubuntu 12.04 Live CD, is possible not to install Grub? In previous versions, there was a checkbox called something like "skip grub installation", now in 12.04 this checkbox isn't there any ...
8
votes
1answer
3k views

How can I create a bootable USB disk from a CD image? [duplicate]

I have a bootable CD image that I would like to transfer to a USB stick, so that I can boot from it. The Startup-Disk creator doesn't support it. How can I make a bootable USB disk from it? The ISO is ...
8
votes
4answers
4k views

How to change Live CD splash screen

I'm remastering the ubuntu CD, I've changed some files in the isolinux folder (access.pcx, blank.pcx, gfxboot.cfg) and I have been able to change the first screen (background color to green): But I ...
8
votes
1answer
1k views

How to quickly and thoroughly use a LiveCD to test for hardware incompatibility?

Often people wanting to know if Ubuntu will run on a potential hardware purchase are advised to use the LiveCD, perhaps in-store, to check hardware compatibility. For example, this answer suggests ...
8
votes
4answers
5k views

Anyway to make a liveCD from my current installation?

Remastersys is no longer maintained and UCK as well as Live-Magic aren't exactly what I'm looking for as they remaster a livecd. What I'm aiming for is something like PCLOS's makelivecd so I can have ...
8
votes
1answer
278 views

How do I create a customized CD that doesn't display any installation screens?

I would like to create customized Ubuntu installation CD. Here is what I want a customized Ubuntu Installation CD to do: Do not display any Installation Screens of Ubuntu. Manually, set default ...
7
votes
1answer
5k views

How can I reset my Windows XP password using a LiveCD?

My mom's ancient Winbook laptop, using Windows XP Professional, was also hooked up to a wireless keyboard and mouse. Unfortunately, this caused it to only accept the account password at the login ...
7
votes
3answers
12k views

Fixing unbootable installation on LVM root from Desktop LiveCD

I just did an installation from the 10.10 Desktop LiveCD, making the root volume an LVM LV. Apparently this is not supported; I managed it by taking these steps before starting the GUI installer app: ...
7
votes
4answers
148 views

Why do things change between using a LiveCD/LiveUSB and installing Ubuntu?

Here have been a couple of weird experiences I've had with a Ubuntu LiveCD or LiveUSB: 1) I had one of the original Chromebooks (CR-48). I ended up wiping ChromeOS and installing only Ubuntu 12.04.0 ...
7
votes
4answers
671 views

Total Newbie confused about partitions

I am totally fed up with Vista, it has 3 different keyboard settings (AZERTY QWERTY and QWERTZ) depending on the software used (or the time of day) and freezes 7 times an hour or more often if it`s a ...
7
votes
4answers
2k views

Prevent LiveCD using existing swap partition

I have an existing installation with a swap partition, and I want to boot a Ubuntu 10.04 Desktop LiveCD without using the swap partition. I want to avoid using the swap partition so that I can resize ...
7
votes
2answers
3k views

Where is the memtest option on the 12.04 64-bit live cd?

I'm looking for the memtest option on the 64 bit version of 12.04 live cd, but the only options I have are "Try without install", "Install", and "Check disk for defects". What am I missing?
7
votes
2answers
2k views

Black screen when booting on a Mac mini 4,1

I have a Macmini4,1 (most recent variant) with a Mini DisplayPort connected to a DVI monitor, and HDMI connected directly to a projector. Both monitors are on but black when booting of the ‘Natty ...
7
votes
5answers
4k views

Why is my Ubuntu 10.10 CD not booting?

I have downloaded Ubuntu 10.10 and burned the ISO but it will not boot. I discarded problems with the ISO, as I've downloaded from the official website with no errors, and burned it with no errors. ...
7
votes
2answers
749 views

My computer ejects the CD while loading Ubuntu for install [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? My computer will eject the Ubuntu CD after staying about 5 minutes at the Ubuntu logo and go black ...
6
votes
5answers
3k views

Is it possible to burn a 64-bit Ubuntu Live CD on a 32-bit computer?

My wife has been using Windows Vista on her computer, and it has finally borked bad enough that she is willing to try Ubuntu. The system is pretty much unbootable as far as I can tell, and I need to ...
6
votes
4answers
40k views

How can I create a LiveCD/LiveDVD/LiveUSB?

How can I create a Ubuntu LiveCD/LiveDVD/LiveUSB?
6
votes
1answer
3k views

Can I build a Ubuntu ISO from a manifest?

This answer talks about the ISO manifests - an example is here.. Is it possible to build an ISO from a manifest file, or is the manifest file just dpkg --get-selections put into a text file? ...
6
votes
2answers
8k views

Recovering user files with a Live CD

For some reason my bootup isn't working. I get an error akin to "Operating System Not Found". So I tried bootrepair, and that didn't work. So then I decided I would just save my personal files, wipe ...
6
votes
1answer
398 views

LiveCD does not work on my desktop

I've installed new version of Ubuntu on my laptop without any issue using the LiveCD. But on my desktop, weird things happen: During the 1st try booting with the LiveCD on my desktop, my 2 year old ...
6
votes
2answers
3k views

Difference between Live CD and Alternate CD?

I came across this term Alternate CD. How it different from a Live CD? Also why cant we upgrade using a live cd while we can using an alternate one as mentioned here? The link does not specify ...
6
votes
2answers
912 views

Creating Ubuntu Live CD with customized Unity launcher

I would like to create a custom Ubuntu image based on Natty using Ubuntu Customization Kit. I also want to customize the icons appearing on the Unity Launcher. I can change the icons on my desktop ...
6
votes
2answers
224 views

How can I identify what version of ubuntu is installed in a specific partition?

I have two versions of ubuntu installed on my laptop 10.04 and 9.10. They are installed on separate partitions (let's say /dev/sda1 and /dev/sda2 respectively), but I forgot which is which. I'm now ...
6
votes
1answer
4k views

Using an APT proxy for downloads during installation

During system installation from a Desktop LiveCD (10.10) I checked the "Download updates during installation" option. Before starting the install I had configured an apt proxy server. The proxy ...
6
votes
3answers
3k views

LiveCD not booting/can't install

So, I got a new laptop some days ago, and as usual I formatted it to install Ubuntu. I downloaded 11.04 and burned it on my pendrive using my old laptop (running 11.04). When I tried to boot from the ...
5
votes
2answers
17k views

How do I erase/format a harddisk from a live CD?

I need to format a drive containing an old install of Ubuntu 10.04, to install Vista (not my idea!) Vista setup apparently refuses to format non-FAT32 or NTFS partitions. However, I can't seem to ...
5
votes
3answers
2k views

How to fix Ubuntu after accidentally uninstalling many packages?

I accidentally removed all the packages starting with the name jpeg with: sudo apt-get remove jpeg* This screwed up a lot of things, removed Unity, Firefox, Flash player etc. I somehow managed to ...
5
votes
4answers
1k views

How can I install Ubuntu without CD?

My CD drive is broken,so I can't install Ubuntu from a CD. Are there any workarounds for that?
5
votes
2answers
766 views

How to modify the Firefox homepage in LiveCD for every new user?

I have made a custom Ubuntu LiveCD with UCK. How do I modify Firefox's homepage?
5
votes
3answers
411 views

Why does partition table corruption even happen?

I created an extended partition and tried to add two NTFS units to it. Instead two 125 GB partitions, I got – according to Disk Utility – 2 X 982 GB partitions plus a 14574534 TB one ...
5
votes
1answer
4k views

How do I convert my Ubuntu installation into a Live-USB or Live-CD?

Say I have Ubuntu installed in a hard drive What can I do to generate a liveUSB that is as similar as possible to the installation ?
5
votes
1answer
2k views

Can I open Synaptic Package Manager in a Ubuntu Live CD session?

thats the question. i screwed my harddrive and need to repair it in ubuntu live cd session with test disk that I Have to install with synaptic Package Manager, and I don-t know how to open in this ...
5
votes
5answers
8k views

Where can I find ubuntu-10.04.1-netbook-i386.iso?

In the various download repositories, there are 10.04.1 ISO images of Ubuntu desktop, alternate and server editions, but I can only find the original ubuntu-10.04-netbook-i386.iso, not an updated ...
5
votes
1answer
576 views

Will I be able to install Full-Disk Encryption with the Live CD installer? [closed]

I'm looking forward to installing Oneiric. But I need to have full-disk encryption. I, along with over 6,800 other Ubuntu users, have been patiently waiting for the Live CD Installer to gain the ...
5
votes
1answer
895 views

Safe to remove…?

I'm trying to customize a LiveCD, but I can't manage to fit it on a normal CD. So I investigated, and came across a few files of which I don't know if it's safe to remove them. Maybe you can help me ...
4
votes
2answers
5k views

Using a bootable live cd disk image mounted on the hard drive

So in essence I want to mount the contents of a bootable cd image, like Ubuntu rescue remix, to a partition of the hard drive, so I can have an entry in Grub to boot to the contents of that disk, ...