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From: "Jason Pyeron" <jpyeron AT pdinc DOT us>
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Subject: RE: backup XP on Linux using rsync over ssh: permissions problems
Date: Wed, 10 Jun 2009 14:49:53 -0400
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> -----Original Message-----
> From: H.S.
> Sent: Wednesday, June 10, 2009 14:38
> 
> Jason Pyeron wrote:
> >> -----Original Message-----
> >> From: H.S.
> >> Sent: Wednesday, June 10, 2009 13:15
> >>
> >> Greg Chicares wrote:
> >>> On 2009-06-10 03:36Z, H.S. wrote:
> >>>> rsync --delete --modify-window=10  --force -Rvaue ssh
> >>>>     --exclude-from=$EXCLUDESFILE --progress \
> >>>>     xp-box:"/cygdrive/c/Documents\ and\ Settings/user1 
> >>>> /cygdrive/c/Documents\ and\ Settings/user2"
> > /mnt/backups/xp-daily-00;
> >>> Does '-p' ('--perms') help with the permissions problems?
> >>>
> >> This flag "preserve permissions". The permissions are alright 
> >> currently.
> >> The problem is that a user on XP box ssh'es to the Debian box (and 
> >> becomes a Debian user) and then fails to browse the 
> backups of the XP 
> >> box which are saved on the Debian box because the XP 
> backups' uid and 
> >> gids do not match with Debian users'.
> >>
> > 
> > What you have is not a problem, but by design.
> > 
> > Unless you make the user/group ids match on both machines, you will 
> > either need to strip the perms or access the files by root 
> or equivalent.
> 
> Yes, I can already access them as root (obviously not a 
> versatile approach).
> 
> What I was hoping for is for some hints on how to retain the 
> permissions and browse the backups from the XP box with the 
> same permissions as on the XP box.
> 
> Currently the backups as accessed by using Debian box 
> accounts (which are different than the accounts on the XP 
> box). Any way I can access them from XP but by using XP uid/guid's?

We do this using samba / nis and creating a single sign on.

This is not for the faint of heart.

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