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RE: Backing up my Cygwin installation

On Fri, 30 Jan 2004, Dave Korn wrote:

> > -----Original Message-----
> > From: cygwin-owner On Behalf Of Charles Plager
> > missing a perl dll and that re-installing would help).  After
> > all of this, I said "**** it" and started a new cygwin installation.
> >
> >       My question now is how do I backup up my cygwin
> > installation.  If I make a copy of all of c:\cygwin, is it
> > good enough to just delete the current c:\cygwin directory
> > and restore the backup?
>   That'll work more-or-less fine, although I can think of a couple of other
> places where cygwin keeps persistent state that you'd probably want to
> backup at the same time:
> 1) The download directory where the package setup utility stores its records
> of what's where and all its downloaded packages.

There's no need to back up the local package directory, unless you want
access to older versions of binary and source packages.  The installed
package state is stored in /etc/setup.

> 2) The cygwin registry entries under HKCU/Software/Cygnus Solutions/Cygwin
> and HKLM/......etc.....

FWIW, the recommended way to back up your mount information is to save the
output of "mount -m" into a .bat or a .sh file and run it afterwards
(after a "umount -A").  I can see how this could become a problem for
automatic back-up software, though.

>   If you were to backup a consistent set of those, a simple restore should
> get everything back exactly how it was.
>     cheers,
>       DaveK

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