[CentOS] Tar of files

Wed Mar 3 15:13:28 UTC 2021
Skylar Thompson <skylar2 at uw.edu>

Regular users don't have the ability to change file ownership (only group,
assuming they're a member of the target group and own the file), so this is
mainly a consideration if you're running tar as root. By default, if you're
running as root, GNU tar assumes the --same-owner switch, which preserves
the ownership in the archive. If the IDs are different, you can use --owner
or --owner-map to translate the IDs. If you need to get even trickier, you
can use --to-command and pass the stream to your own custom filter.

On Wed, Mar 03, 2021 at 09:53:42AM -0500, Jerry Geis wrote:
> When I "tar" up an archive the files have an owner bob,
> when I extract that to another machine bob is there also but user number is
> different.
> So when I extract bob is no longer the owner of the files but someone else.
> Is there a good way to account for this ?
> User ID on one box being different to the next box ?
> I was expecting to untar and bob still be the owner .
> Thanks,
> Jerry
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-- Skylar Thompson (skylar2 at u.washington.edu)
-- Genome Sciences Department (UW Medicine), System Administrator
-- Foege Building S046, (206)-685-7354
-- Pronouns: He/Him/His