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Top Forums Shell Programming and Scripting Script to Start services based on dependent services on other AIX machine Post 302874019 by Chubler_XL on Wednesday 13th of November 2013 05:22:25 PM
Old 11-13-2013
Assumption here is that whenever port goes from unserviced to serviced that your script should be run. This script should be started in the background with nohup (perhaps from /etc/init.d):

Code:
while true
do
   if nc -w 2 server2 9999 < /dev/null > /dev/null 2>&1
   then
       # Service is currently running
       [ "$PREV" = "NOT" ]  && /path/to/your/script
       PREV="RUNNING"
  else
      # Service 2 is not running on server2
      PREV="NOT" 
  fi
done

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rcinet(8)						      System Manager's Manual							 rcinet(8)

NAME
rcinet - Restarts, starts, or stops Internet network services on the system SYNOPSIS
/usr/sbin/rcinet option OPTIONS
You must specify one of the following options with the rcinet command: Restarts the network on the system. Starts the network on the sys- tem. Stops the network on the system. You can restrict the restart, start, or stop operation to either IPv4 or IPv6 networks by specifying inet or inet6, respectively, as the second parameter. By default, the script assumes both IPv4 and IPv6. DESCRIPTION
The rcinet script allows system administrators to restart, start, or stop the Internet network services on the system while it is running in multiuser mode by using one of the options. RESTRICTIONS
Superuser privilege is required. Warn users that the system is being removed from the network. File systems that were not mounted using the /etc/fstab file or the automount command must be unmounted with the umount command. You must remount these file systems using the mount command after the network is started on your system. ERRORS
The rcinet script prints an error message to stderr if the network is not configured on the system. FILES
The network shell scripts are located in /sbin/init.d with symbolic links in /sbin/rc0.d and /sbin/rc3.d. SEE ALSO
Commands: mount(8) Network Administration rcinet(8)
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