On Friday 18 March 2005 16:44, Quentin Garnier wrote:
> On Fri, Mar 18, 2005 at 04:36:44PM +0100, Thierry Lacoste wrote:
> > I have the following line in my kernel config file:
> >    pseudo-device   tap                     # virtual Ethernet
> >
> > man 4 tap says concerning the cloning device:
> >      A new interface is created at the
> >      opening of /dev/tap, and is later destroyed when the last process
> > using the file descriptor closes it.
> >
> > When I run the following program below as root,
> > I have a "Device not configured" error.
> >
> > #include <fcntl.h>
> > int main()
> > {
> >     int fd = open("/dev/tap", O_RDWR);
> >     perror(NULL);
> > }
> >
> > How do I configure this device?
>
> What does 'ls -l /dev/tap' look like?
$ ls -l /dev/tap
crw-rw-r--  1 root  wheel  4095, 255 Mar 16 21:40 /dev/tap

I think I added the read/write bits for the group by hand ...