[mythtv-users] Mythbuntu Channel Change Permission Denied

[Nathaniel Smith]

What happens if you login as mythtv and run the command from that user
shell?

On Mon, Aug 11, 2008 at 12:28 PM, Brad DerManouelian <myth at dermanouelian.com
> wrote:

> I just moved over to Mythbuntu and I've figured out everything except
> this one last problem.
>
> I change channels with serial connections to my 2 DirecTV boxes. 1 on
> the serial port (works great) and 1 on the USB port (works great from
> the command line, permission issues when issued from the backend).
>
> Here's the command I use on the one that doesn't work:
> /usr/local/bin/d11channel.pl box_type D11 port ttyUSB0
>
> Here are my permissions:
> bderman at mythtv:/dev$ ls -l | grep USB
> crw-rw----  1 root   dialout 188,   0 2008-08-11 10:19 ttyUSB0
>
> Here's what I get in the backend log:
> Could not open ttyUSB0: Permission denied
>
> mythbackend is running as the mythtv user
> I can log in as my user (bderman) and issue:
> /usr/local/bin/d11channel.pl box_type D11 port ttyUSB0 11
>
> and it will change to channel 11.
>
> Also, if I chown mythtv.mythtv /dev/ttyUSB0 I get the same error from
> the backend, but working correctly from my user from the command line.
> Same thing if I chmod 777 /dev/ttyUSB0. In all cases it works ok from
> the command line and I get a permission error in the backend.
>
> Also note this was all working ok in Fedora 8. Any help is appreciated.
>
> -Brad
>
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