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Re: replicating my cygwin install on a different machine
On Thu, Jun 07, 2007 at 03:49:37PM +0200, Nenad Antic (KI/EAB) wrote:
> [6/7/2007 2:56 PM] Christopher Faylor wrote:
>> On Thu, Jun 07, 2007 at 02:29:16PM +0200, Nenad Antic (KI/EAB) wrote:
>>
>>> [6/7/2007 12:26 AM] Jerome Fong wrote:
>>>
>>>> I was wondering if there was a way to save and duplicate my cygwin
>>>> installation so I can replicate it on a different machine.
>>> [snip]
>>>
>>> The following has worked for me over more than 6 computers since 99:
>>>
>>> Do
>>>
>>> mount -m > cygwin_mount_points.bat
>>>
>>> Shut down all cygwin apps, including installed services. Archive the
>>> entire cygwin directory with WinRAR (shareware, and so much better than
>>> any xZip, will preserve symlinks).
>>>
>>> cd to the cygwin dir and save all ntfs file permissions using Pedelstal
>>> Software's NTSEC suite (shareware and still available at
>>> http://www.winsite.com/bin/Info?500000034210), more specifically using
>>> saveacl.
>>>
>>> saveacl -r -usepriv * cygwin_permissions.txt
>>>
>>> Use your text editor of preference and globally search and replace any
>>> user names that have changed between the old and the new computer in
>>> 'cygwin_permissions.txt'.
>>>
>>> Unpack the cygwin archive to your new location on the new computer.
>>>
>>
>> That seems like a lot of work to go to when you could just use tar to
>> create
>> the archive. It will create files with the proper permissions.
>
> But what if the user name is changed on the new machine? What about the SIDs
> in /etc/passwd and /etc/group? Do mean that when passwd and group are
> regenerated and if the user names stays the same everything will have the
> right permissions after untarring?
Yes, it should. Just like on... linux.
It does mean that there is an extra "regenerate the passwd/group" step in
what I've previously outlined though.
cgf
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