On Fri, 2012-01-27 at 07:22 -0430, Patrick O'Callaghan wrote: > On Fri, 2012-01-27 at 06:39 -0500, Adam Tauno Williams wrote: > > You tell tar to NOT restore file ownership - this allows you to > > restore an archive from one system… > > > > Otherwise you will get a bunch of errors, or at least warnings, about > > not being able to set file ownership. > > Fair enough, then we agree. Your earlier statement implies that if you > don't tell tar not to restore ownership, then it will do so. What you > meant was that it will *try* (and fail).
Which would be wrong. If invoked as a non-root user, the default behaviour is *not* to attempt to restore permissions. Since it obviously¹ won't work. If invoked as root, tar *will* restore permissions by default. -- dwmw2 ¹ Well, with the traditional UNIX security model at least.
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