Rob,
Try putting the shellscript in /usr/bin/ and it will run from RML.
I had a similar issue here and it resolved the problem, although I don't
really know why.
regards
Robert
On 10/10/18 2:54 AM, Rob Landry wrote:
I'm in the process of setting up a Rivendell system at WCFR(AM)
Springfield, VT to do Boston Bruins hockey games. I am dealing with a
Broadcast Tools SRC32 serial remote control, which is not directly
supported by Rivendell, but which can be controlled using "SO" RML
commands.
I wrote Perl scripts to manage the start of a game, going into and out
of local breaks, and returning to normal programming at the end of the
game. The scripts worked perfectly from the command line, but not when
called from Rivendell.
rd.conf is set to run Rivendell as user 'scott'. I do this because it
is easier to debug external scripts if Rivendell is running as the
same user I log in as.
However, what I've just discovered is that the Bruins scripts are
failing because they don't have permissions to access the serial port
-- even though user 'scott' is in the dialout group and does have such
permissions.
That means that at least part of Rivendell must be running as a user
other than 'scott'. 'chmod o+rw /dev/ttyS0' cures the problem.
The obvious question is: what user is it running as? Since the scripts
were working from the command line, 'scott' clearly had permissions to
access the serial port.
I vaguely recall having encountered this problem before. This is RD
2.18 running on Debian 8. There's no SELinux installed, so it can't be
anything like that.
For now, I'm adding 'chmod o+rw /dev/ttyS0' to my startup script, as
that seems to be an effective workaround; but I'd love to understand
why the problem crpped up in the first place.
Rob
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