Idea #5745: Updatable LiveCD for CD-RWs

-26

Written by andruk the 26 Mar 08 at 04:28. Category: Installation.
Related to: Nothing/Others. Status: New

Description

It would be nice to have the LiveCD update itself (if it's burned to a CD-RW) from the repos, like Trinity Rescue Kit does. This is probably asking a whole lot, as LiveCDs are fairly complicated.

A few months after a release, you get updates (necessary, I know, but kind of annoying nonetheless) right after you reboot from the LiveCD into the freshly-installed system. It would be nice if these updates were applied directly to the LiveCD.

Another (less elegant) way to do this could be to have the LiveCD check for updates to packages it installs, and download and install those to the hard drive instead of the packages that are on the LiveCD.

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Comments

cheesehead wrote on the 26 Mar 08 at 16:27

The update cycle is six months. And it's great that way.

Peetke wrote on the 27 Mar 08 at 12:07

I think andruk means the security an normale updates. Backports arent enabled by default, so they aren't an option.

A new recordable is les than a dollar/euro. CD-RW discs are a lot slower than normal CD-R's so, just burn a new one (with all updates slip-streamed?)?

Comment on the less elagant update: After an install it does update the system. It's better to install the default en update security afterwards, because it has been tested more extensively.

steve196 wrote on the 27 Mar 08 at 13:16

Would be great, if cdrws worked like harddisks, but they don't.
An alternative would be for the livecd to copy itself on an usb stick, where all this would be easy.

andruk wrote on the 11 Jun 08 at 08:41

steve196: True, CD-RW's are not like hard disks. However, TRK does this with its CD-RW, and TRK is open source already. This would eliminate having to reboot the system twice (once to get from the LiveCD to the installed Ubuntu, and another after a kernel update is applied - which happens in 6 months).

Please note that this will make freshly-installed systems as secure as fully updated systems, making life easier on just about everybody, and it makes Ubuntu look polished too.

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