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ISO properties

I downloaded Ubuntu 22.04.2 LTS three times, checked them all, and they are all bigger than a single DVD (4.7GB). All files are larger than advertised, 4.9GB x 4.6GB.

All downloads have always been from the official address.

So, how can I burn a DVD with this file? What am I missing?

Thanks in advance.

EJSJr
  • 59

4 Answers4

6

The advertised size of Ubuntu 22.04.2 might have been 4.6 Gibibytes, which is equivalent to 4.9 Gigabytes (4927586304 bytes).

A DVD is advertised as holding 4.7 Gigabytes (4707319808 bytes), which is equivalent to 4.4 Gibibytes.

This may be another case of unit confusion, which admittedly isn't too logical either to the average user.

As others have stated, the intended installation media for Ubuntu is a bootable USB stick.

While optical discs have indeed had their glorious period in history (in the form of both CDs and DVDs etc.), they have now largely been superseded by flash storage.

Artur Meinild
  • 31,035
2

You'll have to download Ubuntu 20.04

https://releases.ubuntu.com/focal/ and then make sure you are all up to date

sudo apt update && sudo apt upgrade -y

Then I prefer to run unattended upgrade from 20.04 to 22.04 using

do-release-upgrade -f DistUpgradeViewNonInteractive

As pointed out by @guiverc DVD burning no longer supported. Could also try another distro like Linux Mint 2.5 to 2.6GB, or Pop!_OS 2.5 to 3GB. Just to name a few other popular ones.

Czar
  • 610
2

Dual layer DVDs go to above 8GB. The plastic discs are widely available, and the drive is a one time expense. Admittedly not as convenient as using an old drive. I have not yet tried out that size, and this release may be the reason for me to get one. Windows is that size too by now.

A DVD is valuable because it presumably is more immune against modification than a USB stick, hence a better fit for recovery after a catastrophic event, cybersecurity, or solar flares.

Having the latest LTS on DVD is valuable for machines from recent production. Old versions LTS may not support recent hardware.

codelion
  • 41
1

there is a related question here Ubuntu 22.04 iso too big for DVD

one of the answers is helpful: https://askubuntu.com/a/1506856/1149378

You could download the ISO, mount it using squash-fs and then remove packages, recreate the ISO. It is a lot of work and there are better options. 2 of them:

1 use the server ISO and use sudo apt install ubuntu-desktop to install Ubuntu. There are more DE's you can install if you do not want gnome3.

2 download the ISO and boot from it from GRUB. You can add the ISO to the GRUB boot options and pick it from there. Here is an example

menuentry 'UbuntuCustom3' {   
set root='hd0,5'   
set isofile=/ubuntu.iso   
loopback loop $isofile  
linux (loop)/install/vmlinuz boot=install iso-scan/filename="${isofile}" noprompt noeject   
initrd (loop)/install/initrd.gz 
}

I hit the same bummer and choose to do (1) use the server ISO and use sudo apt install ubuntu-desktop. The 22.04.4 server image is apparently about 2GB.

That is a viable path to get the install done with less fuss. But I do hope that Ubuntu would distribute multi-volume 4.3 GB DVDs ISOs, there are older machines around that are not 'blessed' with USB boot. e.g. that Ubuntu can distribute the 'server' iso and that the 'desktop' part be on the 2nd DVD after all.

user4433437
  • 11