Date: Thu, 21 Aug 2008 17:28:21 -0700 From: Chuck Swiger <cswiger@mac.com> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: freebsd-questions@freebsd.org Subject: Re: rtprio + su - doesn't work Message-ID: <7C5EDEE9-0577-45D1-9982-3850AC1A1E12@mac.com> In-Reply-To: <20080821230022.W3189@wojtek.tensor.gdynia.pl> References: <20080821230022.W3189@wojtek.tensor.gdynia.pl>
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On Aug 21, 2008, at 2:04 PM, Wojciech Puchar wrote: > i run such command > > /usr/sbin/rtprio 31 /usr/bin/su centrala -c \ > "/usr/local/bin/asterisk -C /centrala/etc/asterisk.conf" > > tu run (at startup) asterisk PBX as user centrala with realtime > priority. > > asterisk is started, but without realtime priority. Yes, you'd be running the su process with realtime priority. :-) > how to do this right? > > i run asterisk as user (not root), but this server is used to other > things, so asterisk must have absolute priority over other things. > now i have to do this manually by searching for asterisk's PID and > doing > > rtprio 31 -PID Well, you have to run rtprio as root, or else make it setuid-root (which probably isn't a great idea). Presumably this thing has a startup script which runs it, and it probably creates a PID file under /var/run which you could use to adjust the priority during system startup via: rtprio 31 -`cat /var/run/asterix.pid` -- -Chuck
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