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Full Discussion: Script Help - Syntax Issues
Top Forums Shell Programming and Scripting Script Help - Syntax Issues Post 302307902 by gbxfan on Thursday 16th of April 2009 03:08:19 PM
Old 04-16-2009
Script Help - Syntax Issues
I have the last portion of an Open Step ping server shell script that is giving me issues that I need to adapt to Ubuntu 8.10 Client flavor of Unix. Can someone see what is wrong with the following:
Code:
# if there are servers that just went down or came back up, notify
#  with high importance
if [ -s /tmp/$SCRIPTNAME.serverlist.upagain -o -s /tmp/$SCRIPTNAME.serverlist.wentdown ]; then
  echo notifying of servers that are up again or just now down
  notify high
# if there is no new news, but servers are still down from before,
#  notify only once per day, with low importance
elif [ -s /tmp/$SCRIPTNAME.serverlist.stilldown ]; then
  if [ "`date | awk '{print $4}' | awk -F: '{print $1}'`" -eq 11 ]; then
    if [ ! -f /tmp/$SCRIPTNAME.stilldownsent ]; then
      touch /tmp/$SCRIPTNAME.stilldownsent
      echo notifying once today of servers that are still down from before
      notify low
    fi
  else
    echo not time for daily notification of servers that are still down
    if [ -f /tmp/$SCRIPTNAME.stilldownsent ]; then
      rm /tmp/$SCRIPTNAME.stilldownsent
    fi
  fi
else
  echo no notification to make
fi

Here is the output I get when this section runs:
Code:
++ date
++ awk '{print $4}'
++ awk -F: '{print $1}'
+ '[' 11 -eq 11 ']'
+ '[' '!' -f /tmp/ping_servers.sh.stilldownsent ']'
root@mpt1a02:/admin/scripts/crons#

so the script ends or errors out and I think its the syntax specifically in my date command is not Ubuntu friendly- does anyone know the Ubuntu variety of Unix enough to give me a hand? Many thanks!! Dale
 

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LEARN ABOUT DEBIAN

ldns-notify

ldns-notify(1)						      General Commands Manual						    ldns-notify(1)

NAME

       ldns-notify - notify DNS servers that updates are available

SYNOPSIS

       ldns-notify [options] -z zone servers

DESCRIPTION

       ldns-notify  sends a NOTIFY message to DNS servers. This tells them that an updated zone is available at the master servers. It can perform
       TSIG signatures and it can add a SOA serial number of the updated zone.	If a server already has that serial number it will  disregard  the
       message.

OPTIONS

       -z zone
	      The zone that is updated.

       -h     Show usage and exit

       -v     Show the version and exit

       -s serial
	      Append a SOA record indicating the serial number of the updated zone.

       -p port
	      Use port as destination port (default the DNS port 53) for the UDP packets.

       -y key:data
	      Use the given TSIG key and base64-data to sign the NOTIFY. Uses the hmac-md5 algorithm.

       -d     Print verbose debug information. The query that is sent and the query that is received.

       -r num Specify the maximum number of retries before notify gives up trying to send the UDP packet.

EXIT CODE

       The program exits with a 0 exit code if all servers replied an acknowledgement to the notify message, and a failure exit code otherwise.

AUTHOR

       Written by the ldns team as an example for ldns usage.

REPORTING BUGS

       Report bugs to <ldns-team@nlnetlabs.nl>.

COPYRIGHT

       Copyright  (C)  2005 NLnet Labs. This is free software. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
       POSE.

								    9 Jan 2007							    ldns-notify(1)
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