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Full Discussion: Shell Script fails with "can't connect to client"
Operating Systems HP-UX Shell Script fails with "can't connect to client" Post 302100516 by sseenu79 on Wednesday 20th of December 2006 08:03:50 AM
Old 12-20-2006
Shell Script fails with "can't connect to client"
Hi Unix Gurus,

I have written a shell script to unfreeze all frozen media in NetBackup. Here is the script written on HP-UX using ksh:
***********************************************
set -x
cd $HOME
rm -f frozentest
rm -f mediaserver

cd /usr/openv/netbackup/bin/admincmd

pbrun ./bpmedialist -summary | grep FROZEN | awk '{print $1 $2}' | grep FROZEN | cut -c 1-6 >>$HOME/frozentest

for i in `cat $HOME/frozentest`
do
pbrun ./bpmedialist -m $i | grep Server | cut -f 4 -d " " > $HOME/mediaserver
for j in `cat $HOME/mediaserver`
do
pbrun ./bpmedia -unfreeze -m $i -h $j
echo "$i of $j has been unfreezed"
done
done
***********************************************

This script should find all the frozen media and unfreeze them automatically. However the script is not working as expected. While running the last command (pbrun ./bpmedia -unfreeze -m $i -h $j) it is getting failed with "can't connect to client" error. I have written one more script using different logic even that is also getting failed with the same error. I am sure that there is no syntax errors in my logic and it could be something else which is failing the script. I am using ksh. Please let me know what could be the problem. Any suggestions on this would be greatly appreciated.

Thanks in Advance,
Srinivas Rao S.
 

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LEARN ABOUT REDHAT

adsl-connect

ADSL-CONNECT(8) 					      System Manager's Manual						   ADSL-CONNECT(8)

NAME

       adsl-connect - Shell script to manage a PPPoE link

SYNOPSIS

       adsl-connect [config_file]

       adsl-connect interface user [config_file]

DESCRIPTION

       adsl-connect  is  a  shell  script  which  manages  an ADSL connection using the Roaring Penguin user-space PPPoE client.  If you omit con-
       fig_file, the default file /etc/sysconfig/network-scripts/ifcfg-ppp0 is used.  If you supply interface and user,  then  they  override  the
       Ethernet interface and user-name settings in the configuration file.

       Note that normally, you should not invoke adsl-connect directly.  Instead, use adsl-start to bring up the ADSL connection.

       adsl-connect first reads a configuration file.  It then brings up a PPPoE connection.  If the connection ever drops, a message is logged to
       syslog, and adsl-connect re-establishes the connection.	In addition, each time the connection is dropped or cannot be  established,  adsl-
       connect executes the script /etc/ppp/adsl-lost if it exists and is executable.

       The shell script adsl-stop causes adsl-connect to break out of its loop, bring the connection down, and exit.

TECHNICAL DETAILS

       adsl-connect uses the following shell variables from the configuration file:

       ETH    The Ethernet interface connected to the ADSL modem (for example, eth0).

       USER   The ADSL user-id (for example, b1xxnxnx@sympatico.ca).

       PIDFILE
	      A  file in which to write the process-ID of the adsl-connect process (for example, /var/run/pppoe.pid).  Two additional files ($PID-
	      FILE.pppd and $PIDFILE.pppoe) hold the process-ID's of the pppd and pppoe processes, respectively.

       By using different configuration files with different PIDFILE settings, you can manage multiple PPPoE connections.  Just specify  the  con-
       figuration file as an argument to adsl-start and adsl-stop.

AUTHOR

       adsl-connect was written by David F. Skoll <dfs@roaringpenguin.com>.

       The pppoe home page is http://www.roaringpenguin.com/pppoe/.

SEE ALSO

       pppoe(8),  adsl-start(8),  adsl-stop(8),  pppd(8),  pppoe.conf(5),  adsl-setup(8),  adsl-status(8), pppoe-sniff(8), pppoe-server(8), pppoe-
       relay(8)

4th Berkeley Distribution					 21 February 2000						   ADSL-CONNECT(8)
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