[gentoo-user] Re: setcap fails: (Operation not supported)

[Grant Edwards]

On 2021-09-30, Grant Edwards <grant.b.edwards@×××××.com> wrote:

> I'm trying to add NET_ADMIN capability to an executable that needs to
> create a tun inteface. AFACIT, this is the command to do that:
>
>    $ sudo setcap cap_net_admin+ep example_app
>    Failed to set capabilities on file `example_app' (Operation not supported)
>
> The only possible cause for that message Google has been able fo find
> is that the FS doesn't have xattr support.

Is Posix ACL support required for setcap?

I can't find any documentation of such a requirement, but it's the
only other thing I can think of...

--
Grant