need to unplug USB drive

Nigel Ridley nigel at
Sat Nov 3 19:16:24 UTC 2007

Earl Violet wrote:
> --- Sylviane et Perry White <spwhite at> wrote:
>> On Saturday 03 November 2007 15:14, Earl Violet wrote:
>>> --- Sylviane et Perry White <spwhite at> wrote:
>>>> Second user (the one that didn't plug the stick in) couldn't
>> write
>>>> to a USB
>>>> stick, nor unmount it.
>>> Did you try putting the second user in the same group as the
>> first,
>>> the one owning the stick?
>>> Earl
>> Hi Earl,
>> First user is the one who plugs in the stick, it may be the one
>> with high 
>> privileges or the "guest". 
>> The guests may login to the guest account (named "semua" ) without
>> a password 
>> so I dont want them to belong to the group "perry". I will try to
>> make myself 
>> also member of the group "semua" and see what happens but remember
>> we already 
>> both belong to "users".
> -------------------------------------------------------------------------
>> On Saturday 03 November 2007 11:08, Nils Kassube wrote:
>>> The USB stick is using a VFAT filesystem which doesn't know
>> anything about
>>> users and groups. Therefore you can't change ownerships of files
>> on a USB
>>> stick.
>> Hi Nils,
>> Thanks for info, it will save me time to experiment on M$ and
>> search how I can 
>> access those non existing bits.
>> On Linux this ownership stuff may not reside on the USB stick but
>> on the 
>> computer and the way it mounts the stick, therefore the subject
>> :"need to 
>> unplug USB drive"
>> If the stick is plugged in when the machine reboots, the owner is
>> root and 
>> nobody has acces to it!
> What group does the USB drive mount under?
> Earl
> Instant messenger: earlcoyote
> ICQ:64033496

My [USB stick] ext2 partition used to mount on Kubuntu as root root - 
until I managed to change the group ownership to 'users' using a live CD.



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