On Fri, Feb 01, 2019 at 07:30:31PM +0100, Pascal Hambourg wrote: > Le 01/02/2019 à 16:23, tomas@tuxteam.de a écrit : > > > > tomas@trotzki:~$ file /dev/mapper/trotzki-home > > /dev/mapper/trotzki-home: symbolic link to ../dm-4 > > > >Ah. > > > > tomas@trotzki:~$ file /dev/dm-4 > > /dev/dm-4: block special (254/4) > > > >Not yet what we wanted. But: > > > > tomas@trotzki:~$ sudo file -s /dev/dm-4 > > In one single command : > > # file -Lsk /dev/mapper/whatever Yep, thanks. I just wanted to sketch a path to the idea. > >Sudo is needed > > No it's not. Read permission on the raw device is needed, by > whatever way including sudo but not only (su, root session...). This is of course more correct than my handwaving description :-) >
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