Mast Kalandar

bandar's colander of random jamun aur aam

Fri, 08 Apr 2005

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System without a "real" file-system


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It possible to run with only swap space. (Boot from a CD/USB of course!)

  1. Make a 2GB (or however large your file-system is!) swap space.

  2. Mount a tmpfs and tweak its number of nodes and size ("man mount" is your friend here!).

  3. Copy all your files to this tmpfs. (This takes a while....).

  4. pivot_root/chroot to this tmpfs and run from there!

I believe the recent Knoppix has a "toram" boot parameter that allows you to do something similar.

This gives a completely "ephemeral" system---switch off and its gone!

On the other hand you could also run disk-suspend to switch off power without losing the system.

Ext2/3, Reiser, JFS, ... who needs them?!


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