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Topic: unionfs examples, using unionfs for a variety of things

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roberts

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Posts: 4983
Joined: Oct. 2003

Posted: April 18 2006,03:17

I agree.
With 64 cloops we can sure have some interesting UCI's
Nice work guys!

hswerdfe

Group: Members
Posts: 10
Joined: April 2006

Posted: April 26 2006,18:01

WOW, I have just read this uinionfs thread and I think it is very cool what could be done with it.

so. would it be then possible to mount "/" read write?
see this post for why I would want to do this
post

I could maybe then do other cool stuff
like

like mount part of my USB stick as "/"

Code Sample

mount -rw -t vfat /dev/sda1 /mnt/sda1
mount -t unionfs -o dirs=/=ro: /mnt/sda1/dsl/=rw unionfs /

install stuff

Code Sample

apt-get update
apt-get install emacs

Reboot the computer
and remount "/" as above
then run emacs?
like a normal app from the command line...

I see the possibility of a way to install apps without remastering?
and without using .dsl or .uci

so like ALL of debains 40,000 some odd apps are avalible to install, in an easy way...

WARNING : I haven't tried any of the above, I havn't even used the unionfs.dsl yet, and I was not even really aware of unionfs till a little while ago.
I just got all excited about what it could mean?
so..am I way out to lunch, or is something like this possible?
what about problems like ..permissions on vfat? and files that have the same name space?

spock

Group: Members
Posts: 53
Joined: Nov. 2005

Posted: April 29 2006,16:55

For how to use unionfs this page is interesting :

http://www.unionfs.org

Inspired by this thread I've made a mydsl.uci containing XFree86.dsl, gtk2-0705.dsl, gkrellm-gtk2-2.2.2.dsl and all my fonts. This extension is merged with /usr and /lib in 2 unions and gives me a gtk2 version of DSL with XFree that boots faster and uses way less ram and swap than with dsl extensions.

With unionctl I can also load / unload my former dsl extensions easily converted into uci.

Thanks a lot for making unionfs available in DSL.

--------------
Computers are useless, they can only give you answers. Pablo Picasso

roberts

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Posts: 4983
Joined: Oct. 2003

Posted: April 29 2006,17:31

Sounds great spock!
Any chance to have seperate XFree86, Gtk2 uci versions for our repository? Maybe I need to make a new extension definition of say .uuci. Which would indicate that the new extension requires unionfs? With 64 cloops I would like to see a move in this direction.

clivesay

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Posts: 935
Joined: Dec. 2003

Posted: April 29 2006,17:36

Quote (roberts @ April 29 2006,12:31)

Maybe I need to make a new extension definition of say .uuci. Which would indicate that the new extension requires unionfs?

Maybe a mkmydsl type script where people but their .dsl files in a directory and it builds a .uuci file containing all the extensions for a customized DSL?

Looks like there are lots of possibilities.

19 replies since April 17 2006,02:50

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