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Full Discussion: Df -k output format
Top Forums UNIX for Dummies Questions & Answers Df -k output format Post 302839889 by anita81 on Saturday 3rd of August 2013 02:36:29 PM
Old 08-03-2013
Df -k output format
I’m trying to create a shell script to get the server stats of 100 servers and load the details into a table.

Initially I’m creating a parameter file which has the list of all the servers, then I ‘m connecting these servers through ssh and run df –k. ssh keys are already setup.

Issues I’m facing is that I’m not able to associate server name to the result, I want server name added as a column to the df –k output.
Also the output format cannot be loaded into a table as there is no delimiter or tab or space properly formatted to load. I have tried sed & various other options but no luck.


Code:
#!/bin/ksh
PARMFILE=/opt/sdw/scripts/db_scripts/server_stats.txt
 
value=$(<server_list1.txt)
echo "$value"
sourceservers=`grep =/opt/sdw/scripts/db_scripts/server_stats.txt |cut -d= -f2`
 
#Input array passed as parameter file to the script
set -A array_value $value
vLen=${#array_value[@]}
echo $vLen
 
for(( j=0; j<$vLen; j++))
do
#echo "${array_value[$j]}"
#ssh -q "${array_value[$j]}"; df -k
ssh -q "${array_value[$j]}" 'df -h' >> df.out
ssh -q "${array_value[$j]}" df -h | column -t  >> df1.out
ssh -q "${array_value[$j]}" df -k | tr -s " " | sed 's/ /, /g' | sed '1 s/, / /g' | column -t >> df3.out
 [[ ! $? = 0 ]] && echo Failure, errno $?, cannot connect to host "${array_value[$j]}" >> sshfailed.list
done

Output

Code:
Filesystem                                             Size  Used  Avail  Use%
Mounted                  on
/dev/mapper/vg00-lvol3                                 1.5G  434M  923M   32%

Desired output

Code:
Filesystem,                                Size,       Used ,  Avail,    Use%,   Mounted  on, Servername
/dev/mapper/vg00-lvol3,      1.5G,     434M,  923M,   32%,      /                        br724

Last edited by Don Cragun; 08-03-2013 at 05:00 PM.. Reason: Remove dozens of FONT and SIZE tags; add CODE tags.
 

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LEARN ABOUT DEBIAN

ssh-keysign

SSH-KEYSIGN(8)						    BSD System Manager's Manual 					    SSH-KEYSIGN(8)

NAME

     ssh-keysign -- ssh helper program for host-based authentication

SYNOPSIS

     ssh-keysign

DESCRIPTION

     ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during host-based authentication with
     SSH protocol version 2.

     ssh-keysign is disabled by default and can only be enabled in the global client configuration file /etc/ssh/ssh_config by setting
     EnableSSHKeysign to ``yes''.

     ssh-keysign is not intended to be invoked by the user, but from ssh(1).  See ssh(1) and sshd(8) for more information about host-based authen-
     tication.

FILES

     /etc/ssh/ssh_config
	     Controls whether ssh-keysign is enabled.

     /etc/ssh/ssh_host_dsa_key
     /etc/ssh/ssh_host_ecdsa_key
     /etc/ssh/ssh_host_rsa_key
	     These files contain the private parts of the host keys used to generate the digital signature.  They should be owned by root, read-
	     able only by root, and not accessible to others.  Since they are readable only by root, ssh-keysign must be set-uid root if host-
	     based authentication is used.

     /etc/ssh/ssh_host_dsa_key-cert.pub
     /etc/ssh/ssh_host_ecdsa_key-cert.pub
     /etc/ssh/ssh_host_rsa_key-cert.pub
	     If these files exist they are assumed to contain public certificate information corresponding with the private keys above.

SEE ALSO

     ssh(1), ssh-keygen(1), ssh_config(5), sshd(8)

HISTORY

     ssh-keysign first appeared in OpenBSD 3.2.

AUTHORS

     Markus Friedl <markus@openbsd.org>

BSD
								  August 31, 2010							       BSD
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