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Re: Multi-arch installation: x86 and amd64
Posted by neofpo (200.185.xx.xx) on Wed 16 May 2007 at 16:36
The chroot solution do not require multiple filesystems as reported by grimoire. In fact, there can be only one filesystesm to everything.

It is true that in the true sense of the word the solution I made is not multiarch. But it ties both systems as if it were. My X is amd64, my Acrobat is ia32, my Firefox is ia32 and all them work together and access the same file at my $HOME and /tmp.

It is true what ajt said. Many things will work with the ia32 packages. I made this dual system because I found some trouble with some "32bit only" software. Some are unstable if built under amd64. Some examples are Sun's Java (I got many segfaults with it) and Grip (the CD ripper). Blender is a major example, that only in its latest release became 64bit safe.

There is another application for this solution. There are times you need to keep different Linux installations working together to fit different demands. And you do not need to have two machines to do the job of one. At my work for example, I had to make an old Oracle running, while upgrading the Debian system. That Oracle simply does not run under Etch, just under Sarge. I found my solution applying the "multiarch" way I made. Now Oracle has it's own private Sarge and all the rest of the system can enjoy a fresh Etch release, that can be upgraded with no loss to Oracle and Sarge. People use it on day by day with no problems.

Thank you guys for the comments ;-)

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