OT: How to split the ubuntu-studio iso file

Christopher Stamper christopherstamper at gmail.com
Mon May 5 14:35:50 BST 2008 

Yeah, and if I could afford that, I could probably get a 2gib flash drive
too... :-(

I'll try to get a portable console 7zip and maybe try it too. And maybe I'll
just stop waiting for XP SP3, it's way too late...

Thanks!

On Sat, May 3, 2008 at 3:19 PM, Gustin Johnson <gustin at echostar.ca> wrote:

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> Just get 7zip.  You can run the console based version right off the
> flash drive without installing it.  It can create volumes of a user
> specified size.  The other option is to install cygwin into a flash
> drive (or usb hd) which can give you access to some of these handy gnu
> tools at the cost of a lot of space (fat32 is not at all efficient at
> storing a bunch of small files, so a cygwin install uses more space than
> it needs to because of fat32 limitations).
>
> The advantage of 7zip is that it is cross platform, free as in libre as
> well as beer.
>
> If you can afford it, a 2.5" usb hd that is powered from the usb port is
> a good idea.  I use mine almost everyday (even better you can store
> vmware player or qemu on it and run a linux VM from your flash drive
> without modifying the host OS).  Of course 80+ GB of storage in a small
> form factor is handy too.
>
> Hth,
>
> Christopher Stamper wrote:
> | Thanks Sean. Very good ideas.
> |
> | Trouble with that is, I'm not actually allowed to reboot the pc.
> | Technically, I['m not even allowed to use a flash drive, but everyone
> | does, and the librarians have no problems with it.
> |
> | But it's right next to their desk, and they would be sure to notice if I
> | did that. And I'd also get in trouble for circumventing their time and
> | user control system.
> |
> | Not worth it. I think I'll just use my PowerIso thing. :-)
> |
> | If you're wondering why I haven't done it yet, it's because M$ delayed
> | the XP SP3 release because of some huge problem. Figures, huh?
> |
> | On Thu, May 1, 2008 at 3:57 PM, Sean Darby <sean at seandarby.com
> | <mailto:sean at seandarby.com>> wrote:
> |
> |     To the original individual with the questions:
> |
> |     The "split" command will do it, if you are able to access the file
> on a
> |     *nix system and if you are simply needing to transfer it over from
> one
> |     computer to another.
> |
> |     You could also try installing a small *nix set-up on your flash
> drive
> |     for transferring files over from one computer to another.
> |
> |     If that doesn't work, the "split" command might still come in handy
> at
> |     some point down the road.
> |
> |     You'd like to split an iso file:
> |     file.iso = 1.1GB
> |
> |     You can split it into multiple smaller files:
> |
> |     split -b 680m file.iso
> |
> |     (You can use an amount other than 680.)
> |     (The "-b" = "bytes" (size) of each split file.)
> |     (k for KB, m for MB, etc... k, m, g, t, p, e, z, y.)
> |
> |     The output files:
> |     xaa xab xac (etc.)
> |     (You might want to rename those to something like "xaa_filename"
> |     "xab_filename" etc., though that may not be necessary if this is the
> |     only file you're splitting.)
> |
> |     Later, after transferring the files from one computer to another:
> |
> |     cat xaa xab xac > file.iso
> |
> |     or:
> |
> |     cat xa* > file.iso
> |
> |     This will put it back into the original state.
> |
> |     It can help when using a flash drive, though you might have to make
> |     multiple file transfers to and from the different mediums. In any
> case,
> |     that's split and cat.
> |
> |     More below...
> |
> |      > |>> That's just what I wanted. But how? I can't install any
> |     software on the
> |      > |> pc...
> |
> |     If you can put something like DSL (Damn Small Linux) on the flash
> drive,
> |     or something smaller (even DSL is starting to get "fat") - perhaps a
> |     Unix system instead - you might be able to pull it off.
> |
> |     Several systems can be installed with just the "base" applications.
> If
> |     you exclude X apps (for GUI) you'll save a ton of space right away.
> |
> |      > |>>>> I'll be using a public Window$ XP SP1 PC, with hardly any
> |     privileges.
> |
> |     When you get to the public Windows-based computer, you turn it off,
> |     insert the flash drive, turn the computer on and hit the proper key
> to
> |     select boot options (F2, F8, F12, etc.). It usually tells you early
> in
> |     the boot process which key does it. It will usually - even on
> |     restrictive computers - let you boot into the other system then.
> |
> |     Once you have booted into another OS, you have complete control.
> |
> |     If you can manage, you might consider getting a larger flash drive
> to
> |     allow for ease in this whole process.
> |
> |      > |>>>> I'm looking around, it seems to be possible. But it needs
> to be
> |      > |> portable, (on my flash drive {no privileges}) so it's kinda
> |     hard. Maybe
> |      > |> impossible. I was just hoping someone else had done this.
> |
> |     I visited a university out of town a while back, got onto a
> computer at
> |     their library (it had a lot of restrictions), booted into my
> |     OpenBSD/Unix flash drive (USB), I think it was a 2 GB stick, and
> did my
> |     work on there - including internet.
> |
> |      > |>>>>>> The problem is, I have dialup. So I need to go to our
> |     library and
> |      > |>>>>>> download it on my 1gb flash drive. But it's too big.
> |
> |     Yeah, a larger flash drive would help a lot. They've come down in
> price.
> |
> |     In a case like this having 1 flash drive with a lot more space on
> it is
> |     more appropriate than several smaller flash drives.
> |
> |     Best of luck,
> |
> |     Sean
> |
> |
> |
> |     --
> |     Ubuntu-Studio-users mailing list
> |     Ubuntu-Studio-users at lists.ubuntu.com
> |     <mailto:Ubuntu-Studio-users at lists.ubuntu.com>
> |     Modify settings or unsubscribe at:
> |     https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
> |
> |
> |
> |
> | --
> | Christopher Stamper
> |
> | Email: christopherstamper at gmail.com <mailto:christopherstamper at gmail.com
> >
> | Web: http://tinyurl.com/2ooncg
> | gTalk: http://tinyurl.com/6e359r
> | Skype: cdstamper
> |
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-- 
Christopher Stamper

Email: christopherstamper at gmail.com
Web: http://tinyurl.com/2ooncg
gTalk: http://tinyurl.com/6e359r
Skype: cdstamper
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