On Sat, Jan 20, 2007 at 04:21:19PM -0500, Rick Thomas wrote: > > On Jan 20, 2007, at 2:37 PM, Douglas Allan Tutty wrote: > > >On Sat, Jan 20, 2007 at 05:47:36PM +0000, Anton Piatek wrote: > >>Hi, > >>I have a amd64 install of debian with a 32bit chroot for a couple > >>of apps. > >>This works great, but I have a question. > >> > >>Is it possible to have an application inside the 32bit chroot > >>launch an > >>application on my main 64 bit system? (e.g. a photo browsing > >>program in the > >>32bit chroot launching gimp, which is installed in my main 64 bit > >>system). > >> > > > >I've never played with chroot but if you add ssh to the chroot > >could you > >ssh the main box from within the chroot? If so, you could set up ssh > >with public-key so no passwords were required and it would be > >transparent.
> > That might work. Here's another way that might be a little less > resource intensive but would require some development effort to > package-up for easy use: > > Create a named-pipe (also called "fifo" -- see "man fifo") in the / > tmp directory of the chroot area. This will be available to the 32- > bit processes inside the chroot and also to the 64-bit processes > (because the chroot area is a subset of the main 64-bit file-system > space). Write to it in the 32-bit area and read from it in the 64- > bit area. If you need full-duplex communication, you'll have to have > two pipes (I think.) here's another idea. can you symlink from inside to outside the chroot? maybe a link like /chroot/usr/bin/gimp -->/realroot/usr/bin/gimpwrapper.sh and then setup gimpwrapper.sh to reset the paths to point to 64 bit libs and then launch gimp. just a thought. A
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