Re: [uml-user] Network question

[David C. <li...@ed...>]

On Monday 23 August 2004 07:10, - Kocil wrote:
> I'm having a problem using UML networking.
>
> Command to launch the UML:
>     linux ubd0=3Duml.cow,root_fs  eth0=3Dtuntap,,,10.0.1.254
>
> Command to init the network (as root inside the UML)
>    ifconfig 10.0.1.1 netmask 255.255.255.0 up
>
> No problem If I launch the UML as root (of the host),
> but as ordinary users I get this error:
>
> root@uml02:~# ifconfig 10.0.1.1 netmask 255.255.255.0 up
> SIOCSIFNETMASK: No such device
> 10.0.1.1: unknown interface: No such device
>
> Any idea what is going wrong here ?
> (Googling did not help)

The error you are getting is because you are not using ifconfig correctly. =
=20
=46rom the manual page:

# ifconfig interface [aftype] options | address ...

ifconfig as you specify above should not work for any user.

The problem with root vs. non-root users is that non-root does not=20
normally have read/write access to /dev/net/tun.  Please see my bridging=20
HOWTO for more information.  Even if you choose not to use bridging, the=20
=46AQ page answers a number of questions.

http://edeca.net/articles.xml

David