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Full Discussion: Check/get the exit status of a remote command executed on remote host through script
Top Forums Shell Programming and Scripting Check/get the exit status of a remote command executed on remote host through script Post 302953295 by lovesaikrishna on Wednesday 26th of August 2015 09:32:03 PM
Old 08-26-2015
Check/get the exit status of a remote command executed on remote host through script
Geeks,

Could you please help me out in my script and identify the missing piece. I need to check/get the exit status of a remote command executed on remote host through script and send out an email when process/processes is/are not running on any/all server(s).

Here's the complete requirement.

From one server I need to ssh to all servers, check if desired processes are running and send out a consolidated email of all servers that are not running desired processes.

In some cases the server needs to be checked on 3-5 processes, they all need to be on the same script if possible else a different script.


This one works well as expected, when I run on single host from command line.

Code:
ssh -tq <ServerOne> "/bin/ps -ef | /bin/grep  'com.utv.wlrs.mer.mer pop start' " > /dev/null

I need this

Code:
for i in $Server_List
do
        output=`ssh $Server_List "/bin/ps -ef | /bin/grep -v grep | /bin/grep 'com.utv.wlrs.mer.mer pop start' > /dev/null 2>&1 | wc -l`
        echo "$output"
        if [ "${output}" != "1" ] ; then
                echo "Process is NOT running on $i" >> /var/tmp/failed.txt
                echo "                           " >> /var/tmp/failed.txt
        fi
done
mailx -s "Mer Failures on `date +%F`" $EMAIL_LIST < /var/tmp/failed.txt


Thanks,
Saikrishna
Last edited by Don Cragun; 08-26-2015 at 10:42 PM.. Reason: Add CODE tags.
 

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LEARN ABOUT DEBIAN

bup-on

bup-on(1)						      General Commands Manual							 bup-on(1)

NAME

       bup-on - run a bup server locally and client remotely

SYNOPSIS

       bup on <hostname> index ...

       bup on <hostname> save ...

       bup on <hostname> split ...

DESCRIPTION

       bup on  runs  the given bup command on the given host using ssh.  It runs a bup server on the local machine, so that commands like bup save
       on the remote machine can back up to the local machine.	(You don't need to provide a --remote option to bup save  in  order  for  this	to
       work.)

       See bup-index(1), bup-save(1), and so on for details of how each subcommand works.

       This  'reverse  mode'  operation  is  useful when the machine being backed up isn't supposed to be able to ssh into the backup server.  For
       example, your backup server can be hidden behind a one-way firewall on a private or dynamic IP address; using an ssh key, it can be  autho-
       rized  to  ssh  into  each  of your important machines.	After connecting to each destination machine, it initiates a backup, receiving the
       resulting data and storing in its local repository.

       For example, if you run several virtual private Linux machines on a remote hosting provider, you could back them up to a local  (much  less
       expensive) computer in your basement.

EXAMPLES

	      # First index the files on the remote server

	      $ bup on myserver index -vux /etc
	      bup server: reading from stdin.
	      Indexing: 2465, done.
	      bup: merging indexes (186668/186668), done.
	      bup server: done

	      # Now save the files from the remote server to the
	      # local $BUP_DIR

	      $ bup on myserver save -n myserver-backup /etc
	      bup server: reading from stdin.
	      bup server: command: 'list-indexes'
	      PackIdxList: using 7 indexes.
	      Saving: 100.00% (241/241k, 648/648 files), done.
	      bup server: received 55 objects.
	      Indexing objects: 100% (55/55), done.
	      bup server: command: 'quit'
	      bup server: done

	      # Now we can look at the resulting repo on the local
	      # machine

	      $ bup ftp 'cat /myserver-backup/latest/etc/passwd'
	      root:x:0:0:root:/root:/bin/bash
	      daemon:x:1:1:daemon:/usr/sbin:/bin/sh
	      bin:x:2:2:bin:/bin:/bin/sh
	      sys:x:3:3:sys:/dev:/bin/sh
	      sync:x:4:65534:sync:/bin:/bin/sync
	      ...

SEE ALSO

       bup-index(1), bup-save(1), bup-split(1)

BUP

       Part of the bup(1) suite.

AUTHORS

       Avery Pennarun <apenwarr@gmail.com>.

Bup unknown-																 bup-on(1)
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