Re: [debian-knoppix] Knoppix Persistent_home. What's the use?
I assume this was suppose to clarify the situation and now I am confuse.
Matthias Schwarze wrote:
Hi Gilles!
Say you want to write to the /home directory of your hard disk and hda6 is
mounted as /home . You want to save directly to the /matthias/Desktop
directory, without saving on Knoppix's ramdisk before.
"Persistent home" is just about the /home directory of knoppix, that
normally resides in a ramdisk. What persistent home does is: it
"replaces" the ramdisk by a harddisk (or thumbdrive...) for your /home
directory. So whatever you put in your /home directory (the one from
knoppix!!!) is no longer lost if you reboot knoppix.
That as always been my understanding of persitant home, save the home
directory in those physical place. So actually you keep your
file/settings for all the thinks the user knoppix is doing there.
Of course, this can also be done by the saveconfig script - which works
perfectly when you want to save your config files (in fact: it does
even more than ph. e.g. saving the /etc!). Saveconfig just suffers
from the limited space of floppy disks.
I was not aware that saveconfig could do all those things... and sure a
floppy might be do small.
Say we would tweak saveconfig to save directly to harddisk and to search
for it's configuration data at boot time: We only have to call this
saveconfig automatically on every shutdown and we have another approach
for a new "persistent home" script. ;-)
This become something interesting...
I think there could be a "persistent home and config" or a "Knoppix low
disk space install". This would be knoppix exactly knoppix, but rather
than to use ramdisk for /etc /home and other, it would be on a disk (or
usb thing). This mean any change you make (like setting a permanent ip
addresse, configuring your ppp-chap and script thing for connecting to
the internet) to the configuration.
All the binary/program/fonts/documentation will stay in the KNOPPIX file
(where ever it reside). I think with such a setting KNOPPIX could be
permanently install into a +/- 1Go Disk. You dedicate 650-700 for the
KNOPPIX directory, 128-256 MB for swap and everything else for the
persistent home and config.
As far as I know "persistent home" is knoppix.sh based, I don't know if
the concept of "persistent home and config" could be realise in a
similar way. I don't know how much we could get rid of the ramdisk (or
schrink it) once we don't need it.
So could you enlight me on the difference between your "persitent home",
my "persistent home and config", the saveconfig? Would it be interesting
to enhance persitent home the way I suggest?
My way of doing it is to have a knoppix.sh that mount the partition
where I save all of my files and to have a script to overwrite a few
file in /etc and /home when I need them. But this is very manual thing
and any automated persistant thing would be better.
David GLAUDE
PS: What I like about Knoppix is the portability, demonstrability of
it... but more than that it is the security. I feel very secure with a
set of binary I can not temper with. I feel protected against myself by
having a stable system that I will not try to "hack" by installing
library, compiling my kernel and everything. And also it get's
automaticaly updated when I download a new version.
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