On Thu, May 24, 2012 at 4:02 PM, Alex Crow <acrow@integrafin.co.uk> wrote:

On 24/05/12 09:07, Anita Hall wrote:
> Many thanks to everybody!
>
> I will put this on wiki but I am stuck at the very beginning. I am
> sorry for being such a noob but this is my first tryst with modems.
>
> I have modems appearing as /dev/FS[0-4] which link to /dev/pts/[4-7]
>
> # ls -l /dev/FS?
> lrwxrwxrwx 1 root root 10 2012-05-17 17:49 /dev/FS0 -> /dev/pts/4
> lrwxrwxrwx 1 root root 10 2012-05-17 17:49 /dev/FS1 -> /dev/pts/5
> lrwxrwxrwx 1 root root 10 2012-05-17 17:49 /dev/FS2 -> /dev/pts/6
> lrwxrwxrwx 1 root root 10 2012-05-17 17:49 /dev/FS3 -> /dev/pts/7
> lrwxrwxrwx 1 root root 10 2012-05-17 17:49 /dev/FS4 -> /dev/pts/8
>
> But,
> # cu -l /dev/FS0
> cu: open (/dev/FS0): Permission denied
> cu: /dev/FS0: Line in use
>
> I think this is because FreeSWITCH is using this device, but then how
> does HylaFax or any other program like cu talk to it ?
>
> This page says that I should be able to check my modem before I
> configure it with Hylafax.
> http://www.hylafax.org/content/Handbook:Basic_Server_Configuration:Checking_your_Modem
>
>
> regards,
> Anita
>
>

The permissions on the links are not relevant. It's the permissions on
the /dev/pts/* devices that take effect.

Alex

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