On Thu, 2009-02-26 at 17:55 -0800, Adam Williamson wrote: > >From doing some Googling, it seems Ubuntu have come up with an > alternative approach, which is for the installer not to wipe out /home > on an existing install... > > https://lists.ubuntu.com/archives/ubuntu-devel-discuss/2008-May/004210.html You'd also need to not wipe out user accounts. But this seems like a worthwhile feature. Windows can do something like it. (There you just have to wipe out c:\windows...) And now we start bikeshedding about implementation. Do we whitelist /home and /etc/passwd|group and wipe out everything else, or do we nuke a whitelist of known system directories? The latter is probably safer. You probably want to save /usr/local too. What if users have crap in /var/www/, or MySQL databases... Our directory hierarchy (/var/ in particular) needs some serious rethinking.
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