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Idea #1503: Enable "to ram" option when booting from live cd

bug This idea was marked as implemented the 18 May 10.
Written by hrvooje the 29 Feb 08 at 15:30. Category: Installation. Related project: Nothing/Others. Status: Implemented
Rationale
I can't use my cdrom for something else if i'm using ubuntu live cd. Please enable this option so i can boot live cd to ram, and then take out ubuntu live cd to free my cdrom for some other cd.

sry about bad english :)
Tags: (none)

901
votes
implemented
Selected solution (#1): Auto-generated solution of idea #1503
Written by hrvooje the 29 Feb 08 at 15:30.
Ubuntu Brainstorm was updated in January 2009. Since the idea #1503 was submitted before this update, its rationale and solution are not separated. Please vote accordingly, and if you have the necessary rights, please separate the rationale from the solution. Thanks!

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Glaxed wrote on the 8 Mar 08 at 19:52
Excellent idea.
DSL beat us to it, I think, but you'd need a heck of a lot of RAM.

tomplast2 wrote on the 10 Mar 08 at 20:08
Great idea :D. Thumbs up :)

JoeLeKiffeur wrote on the 12 Mar 08 at 10:10
It's a very good idea, in particulary for the live CD/DVD/USB etc. The Knoppix distro allows this possibility (option : knoppix toram; why not a ubuntu toram ?)
It increases performances.

(>hrvooje: you're not alone, also my English is bad :P)

pante wrote on the 14 Mar 08 at 04:13
How much RAM would be needed? In Knoppix it needs at least 1 GB!

Rioting_Pacifist wrote on the 18 Mar 08 at 21:01
@joe
it would be nice to remove the need to type the kernel name so you just type toram

@pante
it would be the same, you need toe size of the disk + minimum requirements. perhaps a toswap option would be possible but that would be slow and prone to crash when your swap fills up.

arzajac wrote on the 7 Apr 08 at 13:19
There is already the toram feature in Casper, although it is currently not working. See bug report.

Xero Xenith wrote on the 18 Jan 09 at 22:40
This would be excellent, but I'd say minimum RAM for this to be acceptable... 2GB? 1.5 GB? Most computers shipped nowadays have at least 2, many have 3 or 4 GB. Some even have 16 :P

thor228 wrote on the 24 Jan 09 at 21:10
I most definitely think this should be implemented in ubuntu as it is extremely useful to use the optical drive for other things when in live mode, eg. if one is demonstrating the power of ubuntu to a friend that one hopes to convert from windows (I have become very good at introducing people to linux, lol), one could tell it to load to ram then go make a cup of tea/coffee/pour a beer and by the time you come bac it will have copied to ram and gotten to the desktop.
also it is useful if one would like to be able to burn disks etc from within a live environment and only have one optical drive, eg. a laptop.
Knoppix, PCLinuxOS, and puppy live disks and probably a few others already have this option - why should Ubuntu be without this feature.

azrael wrote on the 19 Apr 09 at 14:54
See bugreport:
https://bugs.edge.launchpad.net/ubuntu/+source/casper/+bug/25496
Bug #25496: toRam or copy2Ram (run ubuntu live from ram)

SoftwareExplorer wrote on the 4 May 10 at 04:21
According to https://bugs.edge.launchpad.net/ubuntu/+source/casper/+bug/25496 , this should work with 10.04.


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