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Date:	Mon, 29 Sep 2003 10:14:02 -0400 (EDT)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	cygwin AT cygwin DOT com
cc:	Olaf Foellinger <Olaf DOT Foellinger AT bln DOT sesa DOT de>
Subject:	Re: Best way to backup a cygwin installation ?
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On Mon, 29 Sep 2003, Igor Pechtchanski wrote:

> On Mon, 29 Sep 2003, Olaf Foellinger wrote:
>
> > Hi,
> >
> > what is the best way to backup a cygwin installation ? I have a working
> > installation here on w2k with a size of appr. 700 MB. I use ntsec and I
> > wonder which is the best way:
> >
> > - - copy the file sin windows ?
> > - - make a tar.gz archive under cygwin ?
> >
> > I want a possibility to turn back to this version in case the upgrade to
> > 1.5.x fails.
> >
> > Gruss Olaf Foellinger
>
> Olaf,
>
> You probably want to make a tar archive under Cygwin to keep the
> permissions and the ownership.  To make sure you can actually extract that
> archive, you should make extra copies of tar.exe, gzip.exe, cygwin1.dll,
> cygiconv-2.dll, and cygintl-2.dll into your backup directory.  When you
> extract, make sure to explicitly use the tar from the backup directory,
> and that no other Cygwin processes are running at the time.
>
> It would be a good idea to also back up your mount table in a file called
> "mounts.bat" in the same directory (by using the output of "mount -m"),
> and then restore them after untarring the backup.  You will need to make
> an extra copy of mount.exe (no dependences).  So, your backup directory
> will probably look like:
>
>     cygiconv-2.dll
>     cygintl-2.dll
>     cygwin1.dll
>     cygwin-backup.tgz
>     gzip.exe
>     mount.exe

    mounts.bat

>     tar.exe
>
> Hope this helps,
>         Igor

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