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Full Discussion: Run a command on multiple hosts
Top Forums Shell Programming and Scripting Run a command on multiple hosts Post 302966968 by svajhala on Thursday 18th of February 2016 09:58:57 AM
Old 02-18-2016
Run a command on multiple hosts
I created a script to check for tsm backup status on linux hosts. Script uses a source file to connect to each host and run a dsmc command on each host and write the output back to a output file located on the parent server where the script is running. The script works fine for the first 2 hosts including the parent and then fails with the following error.

Pseudo-terminal will not be allocated because stdin is not a terminal.

Code:
#!/bin/bash

fdate=$(date "+%Y-%m-%d")
export curr_host=`hostname`

if [ ! -s ${HOME}/hosts.txt ]
  then
  echo "Hosts file is missing or a zero-byte file. Exiting the process" >> log.txt
  exit 1
  else
 echo $HOSTNAME >> tsm_bkp_$fdate.txt
   dsmc q fi | awk '{print $2,$5}'|sed '0,/----/d' >> tsm_bkp_$fdate.txt

 while read line
  do

  echo $line >> tsm_bkp_$fdate.txt
     ssh -t $line dsmc q fi| awk '{print $2,$5}'|sed '0,/----/d' >> tsm_bkp_$fdate.txt
 done < ${HOME}/hosts.txt
fi

I searched for the above error in other *nix forums and tried using 'ssh -tt or -T' in the script per others suggestions. But I still get the same error.

Thanks.
 

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LEARN ABOUT OPENSOLARIS

avahi.hosts

avahi.hosts(5)                                                  File Formats Manual                                                 avahi.hosts(5)

NAME

       avahi.hosts - avahi-daemon static host name file

SYNOPSIS

       /etc/avahi/hosts

DESCRIPTION

       /etc/avahi/hosts is a file which may be used to define static host name to IP address mappings for multicast DNS. This is especially useful
       when publishing DNS-SD services on behalf of other hosts. See avahi.service(5) for more information.

       The file format is similar to the one of /etc/hosts: on each line an IP address and the corresponding host name. The host names  should  be
       in FQDN form, i.e. with appended .local suffix.

AUTHORS

       The Avahi Developers <avahi (at) lists (dot) freedesktop (dot) org>; Avahi is available from http://avahi.org/

SEE ALSO

       avahi-daemon(8), avahi.service(5)

COMMENTS

       This man page was written using xml2man(1) by Oliver Kurth.

Manuals                                                                User                                                         avahi.hosts(5)
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