bash - Monit fails to start process -


i've written scrip works fine start , stop server.

#!/bin/bash  pid_file='/var/run/rserve.pid'  start() {        touch $pid_file        eval "/usr/bin/r cmd rserve"        pid=$(ps aux | grep rserve | grep -v grep | awk '{print $2}')        echo "starting rserve pid $pid"        echo $pid > $pid_file } stop () {        pkill rserve        rm $pid_file        echo "stopping rserve" }  case $1 in     start)        start        ;;     stop)          stop        ;;      *)          echo "usage: rserve {start|stop}" ;;  esac  exit 0

if start running

rserve start

and start monit correctly capture pid , server:

the monit daemon 5.3.2 uptime: 0m   remote host 'localhost'   status                            online services   monitoring status                 monitored   port response time                0.000s localhost:6311 [default via tcp]   data collected                    mon, 13 may 2013 20:03:50  system 'system_gauss'   status                            running   monitoring status                 monitored   load average                      [0.37] [0.29] [0.25]   cpu                               0.0%us 0.2%sy 0.0%wa   memory usage                      524044 kb [25.6%]   swap usage                        4848 kb [0.1%]   data collected                    mon, 13 may 2013 20:03:50

if stop it, kill process , unmonitor it. if start again, won't start server again:

ps ax | grep rserve | grep -vc grep 1 monit stop localhost ps ax | grep rserve | grep -vc grep 0 monit start localhost  [utc may 13 20:07:24] info     : 'localhost' start on user request [utc may 13 20:07:24] info     : monit daemon @ 4370 awakened [utc may 13 20:07:24] info     : awakened user defined signal 1 [utc may 13 20:07:24] info     : 'localhost' start: /usr/bin/rserve [utc may 13 20:07:24] info     : 'localhost' start action done [utc may 13 20:07:34] error    : 'localhost' failed, cannot open connection inet[localhost:6311] via tcp

here monitrc:

check host localhost address 127.0.0.1   start = "/usr/bin/rserve start"   stop = "/usr/bin/rserve stop"   if failed host localhost port 6311 type tcp timeout 15 seconds 5 cycles     restart

i had problem start or stop process via shell too. 1 solution might add "/bin/bash" in config this:

start program = "/bin/bash /urs/bin/rserv start" stop program = "/bin/bash /urs/bin/rserv stop"

it worked me.


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