Re: UID and GID on F30

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On Tue, Jun 18, 2019 at 11:31:46PM +0800, Ed Greshko wrote:
> On 6/18/19 10:56 PM, Tim via users wrote:
> > Hi,
> >
> > I recently set up Fedora 30 as a new install on a blank SDD.  When I
> > went to create my user it got UID 1000, as I expected (since I was the
> > first user).  But, not as I expected, it got GID 1001, because
> > something else had already grabbed it:
> >
> > $ cat /etc/group|grep 1000
> > hugetlbfs:x:1000:openvswitch
> >
> > I don't know what hugetlbfs is, nor openvswitch, my brief search
> > against those terms doesn't suggest they're something I've set out to
> > use.  Nor do I consider them to be users of any kind.  So why are
> > they/it using GUI 1000?  I always though ID numbers above 1000 were for
> > people.
> >
> > Not being GID 1000 is a bit of a pain, NFS-wise, since 1000 belongs to
> > me on other devices, and 1001 belongs to others.  My quick workaround
> > was to remove my private 1001 group from my user account, and pick the
> > generic 100 users group.
> >
> > Though this doesn't stop the issue that whatever hugetlbfs/openvswitch
> > is, has access to my GID on other devices.  Can I remove them?  Can I
> > change their GID?  Why are they picking numbers in the user range?  If
> > applications are going to start doing this, it could be a problem.
> 
> I guess you did "dnf info openvswitch" and "dnf info libhugetlbf"?
> 
> I'm guessing those are what resulted in the reservation of the ID's.

What?  Just asking for information as an ordinary user might
cause a change to system files?  Doesn't seem likely.

-- 
Jon H. LaBadie                  jonfu@xxxxxxxxxx
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