43
votes
Accepted
How to use Cubic to create a custom Ubuntu live CD image?
Cubic (Custom Ubuntu ISO Creator) is a GUI wizard to create a customized Ubuntu Live ISO image.
Cubic permits effortless navigation through the ISO customization steps and features an integrated ...
- 12.4k
22
votes
Accepted
Where is the memtest option on the Ubuntu 64-bit live CD?
Memtest86+
If you boot your computer in BIOS mode (alias CSM alias legacy mode), memtest86+ works.
Edit {
Version 6 (of memtest86+) works also in UEFI mode, when secure boot is turned off.
}
If you ...
- 46.4k
20
votes
Accepted
What does "LiveCD" mean?
From What is LiveCD? - Computer Hope:
The name of compact discs that contain an operating system and often other programs. LiveCDs are capable of running on the computer without having to be ...
- 458
11
votes
Where exactly are programs and files saved on a non-persistent live system?
The live system that comes with the Ubuntu ISO is an Ubuntu installation in a compressed file called filesystem.squashfs. This file has a filesystem of SquashFS1 which is comparable to the ISO ...
- 76.7k
10
votes
Accepted
Where exactly are programs and files saved on a non-persistent live system?
It says non-persistent. So they do not "persist" (continue to exist) between reboots. What happens is that a part of the RAM is used as a RAM disk. Essentially, a part of your RAM is used to ...
- 2,522
9
votes
Where can I find the log files for mounting disks?
You can find aditional information in syslog
grep 'Mounted' /var/log/syslog*
or find mounted and unmounted logs
grep 'Mounted\|Unmounted' /var/log/syslog*
- 91
9
votes
Unable to locate package chntpw
Do this from the terminal
sudo add-apt-repository universe
sudo apt-get update
sudo apt-get install chntpw
- 199
7
votes
Live CD asks for a username and password
18.04
This is an answer to a very old question. None of the above have ever worked for me.
The last time I had this problem was after trying to move "home" from / to /home using cut and ...
- 19.6k
7
votes
Is it safe to edit my existing ubuntu partition with an ubuntu dvd
Define safe. Nothing is 100% safe, especially not when fiddling with your partition table. You should always make a backup before attempting to resize partitions. The operation involves making changes ...
- 101k
7
votes
Accepted
How to modify partitions without a live USB/CD
Fortunately there is a way to boot a live environment without a usb stick or CD drive.
The overview of this answer is that you boot an iso image stored on your hard drive by adding a custom entry to ...
- 1,878
7
votes
What does "LiveCD" mean?
Most Ubuntu media is live, ie. bootable and usable on it's own, allowing you to try before install. There are exceptions though (that aren't EOL or end-of-life yet)
Default installers
ubiquity (...
- 30.4k
6
votes
Live version of Ubuntu Server?
There is now :D
You can get live server images now. Here's the link for 18.04, see the server images near the bottom
http://releases.ubuntu.com/bionic/
For example:
http://releases.ubuntu.com/...
- 1,761
5
votes
How to use Cubic to create a custom Ubuntu live CD image?
Installation:
sudo apt-add-repository ppa:cubic-wizard/release
sudo apt-get update
sudo apt-get install cubic
Creating an ISO image:
- 264
5
votes
Are Ubuntu CDs still available?
The official program of shipping free CDs is long since dead. Those links are obsolete, as the ShipIt program was discontinued in 2011 with 11.04.
There used to be CDs on the Canonical / Ubuntu ...
- 74.9k
5
votes
How to unmount a live DVD/USB?
RAM drive
If there is enough RAM in your computer, it should be possible to detach the DVD disk, if you add the boot option toram, because it means that the system will write the content of the DVD ...
- 46.4k
5
votes
Accepted
Create an unattended ubuntu 18.04 live cd that run on demo (try ubuntu) environment with premade various steps
You can achieve this with CUBIC https://launchpad.net/cubic
Note:
Tested the created Custom ISO with live USB with UEFI Boot Mode
Custom ISO Created with Ubuntu 18.04 with CUBIC and the ISO Ubuntu 18....
- 22.5k
4
votes
Accepted
How to run the GParted Live CD image?
The issue was caused by multiple images added to the VM. After I removed all the images excepting the GParted ISO, it started working.
After that I got another little problem: The GParted Live CD ...
- 645
4
votes
Accepted
How to install Xubuntu alongside Ubuntu Mate
Obtain an image for Xubuntu
Verify the hash is correct
Apply the image to a media that you can boot from (Optical or
Flash)
Boot from the live media - Choose Try Xubuntu
Select Install Xubuntu
...
- 36k
4
votes
Accepted
Create a Ubuntu Live CD with custom folders
If your goal is to clone your installation to other computers, you can use Clonezilla. It's normally easier than creating your own iso, especially if you want to keep your configuration.
If all your ...
- 3,603
4
votes
Accepted
Resize Boot Partition Next to An Extended Partition
Boot from a live CD to perform the partitioning operations. This is necessary because partitions can't be shrunk or moved while they are mounted. It also reduces the risk of data loss.
Also make sure ...
- 108k
4
votes
Accepted
Live USB, mount second partition on same device
The problem is that /dev/sda contains /dev/sda2. This would be a severe
obstacle if both should be mounted as read-write filesystems.
But in your case the ISO 9660 in /dev/sda (also in /dev/sda1) is ...
- 846
3
votes
Where is the memtest option on the Ubuntu 64-bit live CD?
I was able to run memtest86+ from a Ubuntu-18.04 live-USB by pressing the one-time boot-menu key on bootup, and selecting the non-UEFI USB entry from the list (after reading the answers here that it ...
- 156
3
votes
Where is the memtest option on the Ubuntu 64-bit live CD?
I wanted an Ubuntu Live-USB keydrive with MemTest86 for 64-bit, Full-UEFI systems and I seem to have managed it.
This is an old question-post but this still seems to be a problem. (It took me some ...
- 51
3
votes
Live CD asks for a username and password
I have encountered this issue and here is how I worked around this issue:
If the username is "ubuntu" as it should be and if no password is needed to execute a sudo command, you will still ...
- 43.6k
3
votes
Accepted
Determine Ubuntu version on SDD using Live CD
You could mount your root partition that is on your SSD (usually double clicking the drive icon from the desktop or file manager). If you see multiple partitions/drives you may need to mount them all ...
- 10.5k
3
votes
Accepted
Can't preseed Ubuntu Desktop installation
It old, but it may worth consider... Try using alternate ISO, it says here (https://serverfault.com/questions/143296/how-to-get-http-preseed-to-work-correctly-on-ubuntu-10-04-lts-lucid) that preseed ...
- 250
3
votes
How to install Xubuntu alongside Ubuntu Mate
Installing two Ubuntu flavors is one solution but it will double disk space usage, update procedures etc.
Alternatively you can open a terminal and type sudo apt-get install xubuntu-desktop on your ...
- 6,337
3
votes
Accepted
Are all packages bundled and installed with iso file of ubuntu - which are in <eg: xenial > main?
No, your assumption is not correct. All softwares from main repository aren't included in Ubuntu live image and cannot be. They are huge!
Packages.gz is the package index file which is consulted when ...
- 76.7k
3
votes
Accepted
How can I get files back after moving them to the Documents folder in a live environment?
Unless the system on the USB flash drive was set up with persistence, files saved to the live system are only ever stored in memory, they are not actually saved to a disk anywhere, and so they ...
- 118k
Only top scored, non community-wiki answers of a minimum length are eligible