Greetings, On Sat, Feb 21, 2009 at 7:58 AM, Miernik <[email protected]> wrote:
> Hello, > > I have a computer with 10 GB of RAM, but no hard disks. I want to > install Debian to make it work this way: > > 1. Debian is installed in RAM (maybe from PXE netboot) > > 2. with some command a compressed squashfs image is created of the > current system, and saved on an USB flash stick > > 3. the next time the system needs to be booted, it is booted from this > USB flash stick, fetched and uncompressed totally into RAM, and then > this flash stick is removed (it should not be needed for this stick > to stay inserted while the system works, only for boot) > > 4. when (after) the system is upgraded (in live initramfs), a command > (from point 2.) is run again to update the compressed squashfs image > on the USB stick > > Something similar to > > http://www.gentoo-wiki.info/HOWTO_VERY_small_Portage_Tree_with_SquashFS_and_UnionFS > for Gentoo portage tree (but for the whole system). > > Is Debian Live the right way to go, or maybe there is a better method to > achieve this setup? > Debian Live can be configured and booted in many ways. On the Debian Live list I suspect you should expect comments on how to utilize Debian Live to achieve what you want. > > I've seen http://wiki.debian.org/DebianLive/Howto/USB > > http://lists.alioth.debian.org/pipermail/debian-live-devel/2007-September/002133.html > > Is RAMboot something I need to use? > Mileage may vary, so you should test the boot param of: toram Adding this parameter, live-initramfs will try to copy the whole read-only media to the computer´s RAM before mounting the root filesystem. This could need a lot of ram, according to the space used by the read-only media. I use it on server(s) that I netboot. Someone else might have more comments. > I would also like all programs to be executed in place (with XiP) and > not copied into another portion of RAM for execution (which would be a > waste of memory and time). > > Pointers for the most efficient way to go apprecieated. > First I think you could just make a usb-hdd image of Debian Live image and use persistence. See: http://live.debian.net/manual/html/persistence.html > > > -- > To UNSUBSCRIBE, email to [email protected] > with a subject of "unsubscribe". Trouble? Contact > [email protected] > >
