G0kita, So, to more generally confirm the solution to the problems with my scripts:
Commands located in the rc infrastructure, or in scripts called by cron, must redirect terminal output to /dev/null or they might not work as expected. Is the above a true statement? Thanks! Breeno Quoting G 0kita <goo...@gmail.com>: > On Thu, Sep 8, 2011 at 10:01 PM, Breen Ouellette > <misc.open...@usask.ca>wrote: > > > I've configured the ices package to stream whatever happens to be flowing > > into my sound card line input using this roundabout method (seems to work > > the best given that ices will read from a FIFO but not stdin): > > 1. aucat writes line in to FIFO at /dev/aucat/.raw; > > 2. lame reads from above and writes to FIFO /dev/lame/.mp3; > > 3. ices reads from above and sends to my icecast server. > > > > The following commands in a sh script run from root's shell form the meat > > of the above chain of events: > > > > /usr/local/bin/lame --quiet -r -a -b 56 /dev/aucat/.raw /dev/lame/.mp3 & > > /usr/bin/aucat -o - > /dev/aucat/.raw & > > /etc/rc.d/ices start > > > > However, if I try to adjust /etc/rc.local to include the first two lines > > (which need to be running before ices gets called by rc_scripts in > > rc.conf.local), aucat refuses to start. > > I've also taken the above commands and created a slightly more robust > > watchdog script that is run as a cronjob. > > > > crontab entry: * * * * * /root/bin/wd_ices.sh > > > > /root/bin/wd_ices.sh: > > > snip > > > -------- > > > > Unfortunately, this doesn't work exactly as expected either. While aucat > > actually starts up, cron doesn't seem to like something about it and gets > > stuck trying to send a message to root. `ps ax` shows the problem, which > > just stalls there and won't go away: > > > > -PID- ?? I 0:00.04 /usr/sbin/sendmail -FCronDaemon -odi -oem -oi -t > > > > If I kill lame (which brings down aucat and ices), sendmail will then get > > the message through and exit. > > > > Can anyone tell me how to get lame and aucat running properly at startup > > before /etc/rc.d/ices gets called by rc.local? > > > > Can anyone tell me how to get the same working with cron without those > > sendmail problems? > > > > Thanks. > > > > Breeno > > > > > Hi Breeno, my suggestion is to use ezstream > http://www.icecast.org/ezstream.php from the same icecast group instead. It > will take a stream so you can use: > aucat -o - | lame -r - - | ezstream -c ezstream.xml > If you throw it into rc.local you will have to disconnect it from the > terminal for it to work. > /etc/rc.local: > /usr/bin/aucat -o - 2> /dev/null | /usr/local/bin/lame -r - - | > /usr/local/bin/ezstream -q -c /etc/ezstream.xml < /dev/null &> /dev/null > or I've dumped it into a script > aucat | lame | ezstream > echo $! > stream.pid > to use pid checking instead of that ps grepping (killing the ezstream will > terminate the entire command set) > and then you can also use an rc.d script > daemon="script" > daemon_user=_no_priv > daemon_flags=</dev/null &> /dev/null" > > Funny story, I'm working on something similar and will shortly have a > question for misc too - watch for it as aucat is giving me some trouble. > > G0kita
