Questions tagged [live-cd]

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

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33
votes
5answers
20k 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?
62
votes
8answers
294k 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.
12
votes
2answers
33k views

Recovering user files with a Live CD

For some reason I can't boot my system. I get an error akin to Operating System Not Found. I tried bootrepair, and that didn't work. So then I decided I would just save my personal files, wipe ...
17
votes
3answers
44k views

How to use Cubic to create a custom Ubuntu live CD image?

How do you install Cubic and use it to create a customized Ubuntu live CD *.iso file that can be burned to CD/DVD or copied to a bootable USB?
2
votes
1answer
581 views

Can I use a USB stick for a normal install? (to get platform adaptability)

So I know I can make a persistent LiveUSB whereby there would be anywhere up to 4GB (I think that's the max) of persistent storage for downloads, etc. I am asking the opposite, in a sense. I'd like ...
26
votes
7answers
68k views

How to boot from non-Ubuntu live ISO images like Fedora or CentOS?

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 iso-scan/filename=/...
56
votes
5answers
13k 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 ...
13
votes
6answers
14k 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 ...
11
votes
2answers
15k views

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

I want to mount the contents of a boot-able 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, http://www....
9
votes
2answers
17k 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
3k 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?
11
votes
2answers
62k 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 ...
8
votes
1answer
5k 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 ...
12
votes
4answers
154k views

How can I create a LiveCD/LiveDVD/LiveUSB?

How can I create a Ubuntu LiveCD/LiveDVD/LiveUSB?
13
votes
1answer
6k 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? ...
3
votes
1answer
3k views

How to unmount a live DVD/USB?

I need to burn a new live DVD (Debian 8.0) from an Ubuntu 16.04 live DVD. the live DVD is the device /dev/sr0 mounted on /cdrom the blank DVD to be burnt is also located at /dev/sr0 Changing the DVD ...
3
votes
3answers
4k views

Install Windows Alongside Ubuntu 14.04 on Second hard Drive

Currently I have Ubuntu 14.04 installed on one hard drive, and I'd like to install Windows onto a second hard drive. I've read that I need to boot into a LiveCD, usually I'd use my memory stick for ...
6
votes
2answers
30k views

Is it possible to use an Ubuntu Live CD and run GParted to partition a my HDD (including the partition that is usually mounted on a given system)?

I'm encountering a problem with my HDD's partitions and can't resize it. I've described my problem and my system here: https://askubuntu.com/questions/89427/gparted-0-3-encounters-problem-with-file-...
10
votes
2answers
2k 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 ...
19
votes
5answers
24k views

Where is the memtest option on the Ubuntu 64-bit live CD?

I'm looking for the memtest option on the 64-bit version of the Ubuntu 12.04 live CD, but the only options I have are "Try Ubuntu without installing", "Install Ubuntu", and "Check disc for defects". ...
14
votes
3answers
8k 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?
9
votes
1answer
62k views

How to access hard drive files from liveCD?

I don't know what files or file types are there on the hard drive nor do I know the file system in which the hard disk is written on. I am not able to view it in the home folder after booting from the ...
13
votes
4answers
43k 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 ...
14
votes
4answers
505 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 ...
9
votes
2answers
4k views

What's the difference between installing and trying Ubuntu?

I was wondering what the difference between running and trying Ubuntu and I was also wondering if there was any downfall to running Ubuntu on a USB drive.
8
votes
4answers
7k 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 ...
6
votes
1answer
8k 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 ?
4
votes
3answers
51k views

12.04 won't boot from Live CD or USB

My laptop (the only PC left in my home to install Ubuntu 12.04 now that it's out) is not booting from Live CD or USB. I get past the screen with the little person in the circle. but right after that, ...
2
votes
1answer
2k views

Where do I start to create my own Ubuntu derivative? [duplicate]

I would like to create my own Ubuntu derivative with my desktop environment of choice and my preferred set of prepackaged programs. What base should I start with and what modifications should I start ...
3
votes
1answer
10k views

Simple file doesn't run (command not found!)

Here in the screen shot, there is a window and terminal open. I am running on Ubuntu 10.04(kernel 2.6) LTS 64bit LiveCD session, and trying to run testDisk to recover my another formatted partition. ...
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. I ...
5
votes
2answers
3k views

How do I start in CLI mode using a special boot parameter for the Live CD?

Sometimes, I need to test some CLI programs without touching my real installation. For that purpose, I use a Virtual Machine running off a Live CD. Now, I don't need a full-blown user-friendly ...
1
vote
1answer
2k views

Boot Live CD into 'Try Ubuntu' by default

I am creating a custom live CD based on Ubuntu 15.10. When the user sees the first boot screen (and doesn't press a key), it will automatically boot into a GUI menu where the user can choose 'Try ...
9
votes
1answer
6k 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 ...
9
votes
1answer
62k views

Unable to locate package chntpw

To overwrite a Windows 7 password, one can boot from a Ubuntu LiveCD and run chntpw. Unfortunately, installing chntpw is not so easy: $ sudo apt-get install chntpw E: Unable to locate package chntpw
7
votes
2answers
61k views

Where can I find the log files for mounting disks?

I understand if I boot from a live cd I can see all the system logs under System > Administration > File Log Viewer I have a major error with a disk not mounting and I want to trace i tback to the ...
3
votes
2answers
989 views

Live USB, mount second partition on same device

How to mount second partition on the same USB disk where Live Ubuntu was installed? I was using dd to create a live USB. I have created second VFAT partition using fdisk and formatted it using mkfs....
3
votes
1answer
13k views

I get a black screen trying to boot Live CD on MacBook Pro

I've been trying to boot into Ubuntu using both a DVD and a USB Stick. They both work on my desktop computer, but not on my MacBook Pro (8,2). I can get them to show up in the boot menu, and I get to ...
1
vote
3answers
3k views

Ubuntu LiveCd hangs on boot screen

Every time I try to install or try Ubuntu I hit the booting screen and it hangs there forever. I've never had any issues installing Ubuntu. Currently I've tried putting Ubuntu on a live USB(...
1
vote
2answers
3k views

14.10 Live CD black screen

First, the CD (64Bit) is alright, tried on another computer and is working. Booting Live CD. choose Language (OK) Choose Keyboard-layout (OK) When I go further, a black screen appears, ...
1
vote
1answer
4k views

How to upgrade to a newer release of Ubuntu using the Live CD?

I've downloaded Ubuntu 13.10 daily CD and I want to upgrade all my computers using this Live CD (they all run Ubuntu 13.04 presently). How can I upgrade to Ubuntu 13.10 exploiting the packages in the ...
0
votes
1answer
1k views

How to add custom scripts while making a LiveCD customization

I want to add custom scripts while making a customization of an Ubuntu LiveCD.
5
votes
1answer
7k views

Should a 14.04 server iso operate as a live CD?

Do the Ubuntu 14.04 Server installation .iso files come with a 'Try Ubuntu' option, or is that only on the Desktop versions? In other words, can I use this media as a live CD, for tasks such as ...
5
votes
1answer
9k views

Difference between Live Session and Full Installation.

When I boot a computer from a Ubuntu disc and choose an option to try ubuntu. How exactly live session runs? Is it a full running instance of ubuntu os or some sort of visual interface on top of ...
3
votes
2answers
18k views

How do you edit the Blacklist.conf file?

Is it possible to edit the Blacklist.conf file when running Linux off a Live CD? If so, how do you edit it? I tried typing this into the terminal but nothing happened: gksudo gedit /etc/modprobe.d/...
2
votes
1answer
1k views

How to upgrade the kernel of Xubuntu 15.04 Live CD to latest 4.1/4.0.6 version?

I am trying to upgrade the kernel of Xubuntu 15.04 AMD64 live CD to the latest version available (4.1/4.0.6) so that I can try and install the same on hitherto unsupported hardware. I am using the ...
1
vote
1answer
2k views

Error when Installing From LiveCD - unable to find a medium containing a live file system”

I have read the other post but seems like they did not help my problem...So im getting unable to find a medium containing a live file system” error when installing it gets to a certin line in the ...
1
vote
2answers
10k views

How do I install Ubuntu in command-line mode from the Live CD?

I'm having 12.04 live CD . I want to install ubuntu only with CLI mode . I don't want to do like installing GUI and then setting it to boot to terminal . the purpose behind this question is I want ...
14
votes
3answers
20k 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 Alongside a Pre-Installed Windows with UEFI Install ubuntu on windows ...
12
votes
5answers
11k views

Is there any way to make a live CD 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 ...