Dtyjlui

When crontab tries to execute the script:

@reboot sh /home/username/unicorn_start.sh > /home/username/unicorn_start.out 2>&1

It creates me a log file with the following content: /usr/bin/env: ‘ruby’: No such file or directory.

This is what I have in unicorn_start.sh:

#!/bin/bash



PATH="$PATH:/usr/local/rvm/gems/ruby-1.9.2-p180/bin"



/etc/init.d/unicorn_myapp start

If I execute unicorn_myapp or unicorn_start.sh manually, everything works fine. As I understand, I need to add an additional path to $PATH variable. What is the way of doing it? Thanks ahead.

EDIT:

unicorn_init.sh:

#!/bin/sh

### BEGIN INIT INFO

# Provides:          unicorn

# Required-Start:    $remote_fs $syslog

# Required-Stop:     $remote_fs $syslog

# Default-Start:     2 3 4 5

# Default-Stop:      0 1 6

# Short-Description: Manage unicorn server

# Description:       Start, stop, restart unicorn server for a specific application.

### END INIT INFO

set -e



# Feel free to change any of the following variables for your app:

TIMEOUT=${TIMEOUT-60}

APP_ROOT=/home/username/appname

PID=$APP_ROOT/tmp/pids/unicorn.pid

CMD="cd $APP_ROOT; bundle exec unicorn -D -c $APP_ROOT/config/unicorn.rb -E production"

AS_USER=root

set -u



OLD_PIN="$PID.oldbin"



sig () {

  test -s "$PID" && kill -$1 `cat $PID`

}



oldsig () {

  test -s $OLD_PIN && kill -$1 `cat $OLD_PIN`

}



run () {

  if [ "$(id -un)" = "$AS_USER" ]; then

    eval $1

  else

    su -c "$1" - $AS_USER

  fi

}



case "$1" in

start)

  sig 0 && echo >&2 "Already running" && exit 0

  run "$CMD"

  ;;

stop)

  sig QUIT && exit 0

  echo >&2 "Not running"

  ;;

force-stop)

  sig TERM && exit 0

  echo >&2 "Not running"

  ;;

restart|reload)

  sig HUP && echo reloaded OK && exit 0

  echo >&2 "Couldn't reload, starting '$CMD' instead"

  run "$CMD"

  ;;

upgrade)

  if sig USR2 && sleep 2 && sig 0 && oldsig QUIT

  then

    n=$TIMEOUT

    while test -s $OLD_PIN && test $n -ge 0

    do

      printf '.' && sleep 1 && n=$(( $n - 1 ))

    done

    echo



    if test $n -lt 0 && test -s $OLD_PIN

    then

      echo >&2 "$OLD_PIN still exists after $TIMEOUT seconds"

      exit 1

    fi

    exit 0

  fi

  echo >&2 "Couldn't upgrade, starting '$CMD' instead"

  run "$CMD"

  ;;

reopen-logs)

  sig USR1

  ;;

*)

  echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"

  exit 1

  ;;

esac

If you use the which command you should be able to see where your ruby executable is located e.g

which ruby



/usr/bin/ruby

The you could add that path to the $PATH variable to straight to the crontab (not sure what best practice may dictate but has worked for me in the past)

The default PATH crontab is using is "only" /usr/bin:/bin, however you can adjust it.

Instead of writing the things in that script try adding it directly into the crontab command:

@reboot PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/rvm/gems/ruby-1.9.2-p180/bin"; /etc/init.d/unicorn_myapp start > /home/username/unicorn_start.out 2>&1

You can also add the path variable above every cronjob so it's applicable to every task you put in there:

 PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/rvm/gems/ruby-1.9.2-p180/bin"

 #

 #

 * * * * * myjob.sh

 @reboot /home/username/unicorn_start.sh > /home/username/unicorn_start.out 2>&1