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Questions tagged [live-cd]

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

3
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2answers
48 views

Is there a repair only CD image(ISO)?

so basically, is there any way of creating live CD that has no apps other than ones necessary for repairing existing Ubuntu installation and fits in 700mb CD? particularly Lubuntu 18.04 amd64 version ...
0
votes
0answers
21 views

What is the purpose of filesystem.size on a LiveCD?

There is /casper/filesystem.squashfs on the most LiveCDs of Ubuntu and derivatives that apparently contains the size value of the filesystem tree before compression. Some LiveCD customization articles ...
0
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0answers
32 views

My sound modules need to be fixed. Can I just reinstall from a LiveCD?

I have 18.04 LTS currently running but am unable to get the same sound functionality that I used to have with 16.04 LTS. The only sound I can get is from the USM bus. Cannot get any sound output from ...
-1
votes
1answer
62 views

Is Kali recovery beyond me and is clean installing Ubuntu over an Ubuntu virus safe? [closed]

If I can understand Kali enough just to recover my files that's optimistic so I'm not worried about user file loss via Kali I either get them back or I don't. Is it possible to do damage to basic ...
0
votes
2answers
91 views

Edit a root file in a GUI live system [duplicate]

I need to inspect and repair a Raspberry Pi SD card. This is my main goal. And it should be as simple as possible. It's already bad enough that Windows 10 cannot mount that file system and Android ...
0
votes
1answer
21 views

Failed installation prevents further installation

I was in the process of installing Ubuntu 18.04 on my laptop when the screen timed out. Moving the mouse and using the keyboard would not bring back the screen, and after a couple hours I was forced ...
0
votes
0answers
88 views

18.04 Live Image Hangs on Boot; AMD drivers at fault?

Ubuntu 18.04.1 iso/live disc Radeon R9-380 Symptom: Hangs on startup when attempting to launch gui, drops back to console with [time] starting blah blah service [time] successful [time] starting ...
0
votes
0answers
19 views

Kyeboard short-cut in Live CD

In order to disable auto-correct while typing, I can set the short-cut key Ctrl + L as shown in this image... But How do I set it up in Live CD? I tried to save the config to cfg file. But I can not ...
0
votes
1answer
39 views

Setting keyboard shortcut

I have a following file to set the keyboard shortcuts for the Input method. It is working correctly as expected. /usr/share/glib-2.0/schemas/keyboard.gschema.override [org.gnome.desktop.wm....
0
votes
1answer
133 views

Unable to boot Cosmic live with PXE

I'm trying to boot Cosmic live with PXE server After mounting live.iso file and copying content to a NFS folder, I make copy of casper/vmlinuz and casper/initrd to a tftp server. The NFS folder is ...
0
votes
1answer
29 views

Ubuntu LiveCD without a graphics card

I have a system with corrupted partition table so it won't boot. What I need is a recovery tool like testdisk to recover the partition table. The problem is this system does not have a graphics ...
0
votes
0answers
32 views

Ubuntu 18.04. 1 live usb.. Unable to use laptop keyboard and track pad..?

I'm using asus fx504gm laptop with nvidia 1060. I'm trying to load live usb.. The desktop gets loaded but I'm unable to use any peripherals.. Only external mouse cursor is movable and can't select ...
1
vote
0answers
16 views

Ubuntu live CD struck on loading screen!please help.. I'm dying

I tried to load latest live CD on my laptop.. But it got struck up on loading screen.. Nothings working.. Not even power button.. I'm quite tensed now! Please help
1
vote
0answers
47 views

ubuntu 18 stucks to purple screen after update

Some days ago I run a simple update, then my computer chrashes. When I start it, after some seconds, I just see a purple screen and nothing happens. I can't go on recovery mode by holding shift nor ...
1
vote
0answers
59 views

how do i create an iso if it is more than 6 gb for Live CD ISO?

I have tried many ways for creating iso more than 6gb but i failed while booting time got message like Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squa. I followed ...
0
votes
0answers
69 views

Ubuntu live freezes (MacBook Pro)

When I run ubuntu live, if it works correctly for a few minutes, but then it freezes, and checking the log, I found this error, I'm running on a MacBook Pro (13-inch) 2.5 GHz Intel Core i5 memory 8 ...
0
votes
0answers
113 views

Booting encrypted SquashFS from Live CD

Can we boot encrypted squashfs from livecd. If it possible please suggest me to decrypt and boot the OS. here i'm using luks encryption technique for securing the Squashfs file but i'm fail to ...
2
votes
1answer
373 views

How can I turn live CD running with installed applications into an in-place install

I have a Live CD instance running of the latest Ubuntu with some applications installed and some configurations made. Is there anyway to turn this directly into an in place install? I'm aware of ...
0
votes
1answer
183 views

How to save the state of a Live CD into a .iso?

I would like to create an Ubuntu Flavor with custom settings and packages. I think a simple way of doing it would be to just boot Ubuntu from an USB, modify settings un/install packages and save ...
1
vote
1answer
19 views

Create LiveCD on Ext HD partition without destroying other partition's contents

I've not yet see a way, after searching here and other sites, to be able to duplicate a Ubuntu 16.04 LivCD, onto the partition(s) of my choice, without wiping the whole ext drive clean in the process. ...
0
votes
0answers
59 views

Grub rescue won't allow using live disk

The main problem is that I can not find live CD or USB in bios. I have checked many USBs and CDs to boot from them but they won't showing up in bios. I used boot-repair in Ubuntu and after that my ...
0
votes
0answers
43 views

Why does the startx desktop look different than the pre-boot desktop?

If I launch e.g. the Xfce desktop using the startx command, I get the Xfce logo and desktop background instead of the one from Ubuntu Studio, which comes when booting directly into the Ubuntu Studio ...
0
votes
1answer
46 views

Moved files to trash when booted with Linux CD, can I recover them?

This sounds really silly... I burnt an ISO of Ubuntu 16.04.4 LTS to a disk and booted up the Live CD with the first option (try Ubuntu without installing). I mounted an external hard drive and moved a ...
0
votes
1answer
59 views

Customize Ubuntu LiveCD 16.04 desktop background

I am chrooted into the root directory of my Ubuntu LiveCD filesystem and want to know how to change the desktop background. I have tried the gsettings command but it gives me an error about not having ...
0
votes
0answers
42 views

Lubuntu 16.04.2 installer crash locked different partition crypt lvm

I'm trying to install lubuntu 16.04.2 with custom crypt lvm, the installer locked my system. Here're my partition: 256M ext2 boot 6GB crypt1 pv1-vg1-root ext4 4GB crypt2 pv2-vg2-home ext4 2GB ...
0
votes
0answers
37 views

Using Live CD In Place Of Hard Drive

Is it possible to run a laptop permanently off the live CD and never replace a damaged hard drive? if you never run any applications larger than the RAM can accommodate, and place the machine into the ...
0
votes
0answers
40 views

(Ubuntu Live CD) Booting with nomodeset does not work and booting with quiet also does not work

This is what happens when I boot with 'nomodeset'; it eventually turns into a black screen and freezes. When I boot with 'quiet' I get the error: "0.3055641 platform wdat_wdt: failed to claim ...
-3
votes
1answer
36 views

Can you start Ubuntu from a CD or DVD? [duplicate]

I want to get an idea of the look and feel of Ubuntu before committing to installing it on my PC. A number of years ago, I created a CD with Ubuntu that could be started on the PC without permanently ...
0
votes
0answers
29 views

Reinserting live USB after pulling out does not re-enable reading

If I run Linux live from USB stick or external DVD drive or external SD card reader, I can pull the card or take the disc out of the drive, re-insert it and it works normally. But If I disconnect the ...
1
vote
2answers
817 views

Is it possible to update Ubuntu Live USB stick?

I built an ubuntu 16.04 live usb stick from ubuntu iso file using refus month ago, and it has been working great. There was only one issue though: my router doesn't have DHCP enabled (it's complicated ...
0
votes
0answers
29 views

Are current live images patched against Spectre and Meltdown? [duplicate]

Does ubuntu.com patch the current live images against Spectre and Meltdown?
3
votes
2answers
514 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....
0
votes
1answer
102 views

What program will overwrite /etc/network/interface on boot?

I'm making a custom Ubuntu Server 16.04.3 Live CD. Here is what I did: debootstrap a folder install casper package (and some other packages needed) in chroot put the folder into squashfs set up GRUB2 ...
0
votes
1answer
27 views

File Visiblity in live linux version

Q. How can we make file visible, which an user have created earlier while working with Live -Linux version. The file should be visible when system restarts.
0
votes
0answers
29 views

Deleted boot partiton [duplicate]

I only have ubuntu 16 installed and I have somewhere along the line of formatting external drives, formatted what i think is my boot partition. Now when I boot my laptop i just sent straight to bios. ...
2
votes
1answer
929 views

Update Ubuntu 17.04 from ISO

I want to update my Ubuntu 17.04 to 17.10 while preserving most of the system settings. I currently can't update it using update-manager and also do-release-upgrade due to this issue so I thought if I ...
0
votes
0answers
85 views

AMDGPU liveCD issue

i recently tried to install Ubuntu on my new laptop (Lenovo Ideapad 320 15abr) which has the new AMD Radeon 530 graphic card. I've tried to install different versions (16.04, 17.04 and the daily build ...
3
votes
1answer
290 views

Forbid Linux live usb to mount swap and other partitions from broken HDD

I have a server with broken HDD (at least one drive from Mdadm raid). Every HDD drive has a SWAP partition on it. Native system hangs on boot. I have an IPMI access to a server, and trying to identify ...
0
votes
1answer
605 views

what is the best casper-rw / live-rw format and why

Background Persistent live systems with Ubuntu store the data to persist in a file named 'casper-rw' or partition labeled 'casper-rw'. In addition there can be a file or partition 'home-rw' to store ...
0
votes
0answers
25 views

Cannot find live cd image — link seems broken

The link under the live cd documentation takes me to a 404 error. From this URL: https://help.ubuntu.com/community/LiveCD?action=show&redirect=LiveCd I see this linked text: To create a LiveCd ...
0
votes
1answer
86 views

Incremental upgrade of EOL version of Ubuntu Gnome via DVD

Moderators please read carefully, and think before calling a duplication, this is not the same as existing questions. The background is, but not but the question. Background: As I understand it, with ...
0
votes
2answers
36 views

Live CD not writing [closed]

I'm trying to put a operating system live CD onto a flash drive but I keep getting an error saying something happened and could not finish writing on to the drive. I've used unetbootin, Ubuntu live CD ...
3
votes
2answers
458 views

Resize Boot Partition Next to An Extended Partition

I created 2 partitions: Boot / Root (Namely /). Home (/home). I underestimated the size needed for the Boot / Root and only set it 25GB. I now need to resize it. I used LiveCD to run GParted and ...
2
votes
0answers
108 views

Install Printer Without Connecting to the Internet?

I have a Brother Hl-2230 printer which I am able to install using the Hl-2170W driver that is pre-included with Ubuntu. Note I am running Ubuntu off of a 'liveCD' USB. If I am not connected to the ...
0
votes
0answers
255 views

how to recover files from hard disk, missing partition and hard disk check (horror movie described by an informatic incompetent)

i have a really big problem with a pc (xp) of a friend whose hard drive is detected both by bios and setup, but when going on lubuntu with a live cd it doesn't show off neither any partition from the ...
0
votes
1answer
1k views

edit resolv.conf

I can't edit /etc/resolv.conf, error: permission denied I upgraded from 16.04 to 16.10 and keyboard & mouse stopped working, following ubuntu KB asks to mount chroot, chroot mounted but dns not ...
1
vote
3answers
2k views

How to Format the Live USB I Made with Ubuntu [duplicate]

I created a Live USB with Ubuntu of another os. How can I completely delete that Live USB info if it only shows some kb's of memory and can't access the files of that Live USB?
0
votes
1answer
43 views

Affecting a current install with a Live-CD after current install breaks

Long story short, battery failed me while in a 15.10 to 16.04 upgrade. Now, I'm stuck with Lubuntu telling me the Light Daemon is lying. I have my 15.10 CD with me, and was wondering if there's a way ...
1
vote
1answer
461 views

Ubuntu Live CD works well, but once installed it requires acpi=off

I'm curious what could be the reason why my installed version of Ubuntu requires acpi=off to launch while my Ubuntu live CD doesn't. I'd add that: 1) I use an Acer Swift 3 Laptop. 2) After booting ...
1
vote
1answer
71 views

Where is the code used to build the official Live CD images?

There are several pages describing how to build Ubuntu live CD images. Where is the code used to build the official live CD images? To be more precise: I'm talking about the particular code (maybe ...