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Top Forums Shell Programming and Scripting How to run simple single command on multiple Linux servers? Post 303006400 by MadeInGermany on Wednesday 1st of November 2017 05:39:09 PM
Old 11-01-2017
What's wrong? Do you get an error message?
I have omitted some stuff where I don't see a sense, and have prepended a hostname.
Code:
tmpdir=${TMPDIR:-/tmp}/pssh.$$
mkdir -p $tmpdir
echo "Output is in $tmpdir"
while read userhost
do
    (
    printf "%-29s " "$userhost"
    ssh -nx -o BatchMode=yes "$userhost" 'lsb_release -sd'
    ) </dev/null >"$tmpdir/$userhost" 2>&1 &
done < servers.txt
# wait until all bg jobs are done
wait

 

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pwrkap_aggregate(8)						   User Manuals 					       pwrkap_aggregate(8)

NAME
pwrkap_aggregate - Present a large number of pwrkap servers as if they were one SYNOPSIS
pwrkap_aggregate config_file DESCRIPTION
pwrkap_aggregate is a daemon that connects to a multitude of pwrkap servers and power control domains, and presents them as if they were one server with a smaller number of domains. By aggregating pwrkap server instances, it is possible to monitor many thousands of servers without overworking the command console. It is also possible to give identical class designations to a group of pwrkap servers and manage them as an aggregate. OPTIONS
config_file Text file mapping pwrkap servers to aggregated domains. See pwrkap_aggregate(5) for information about the config file format. AUTHOR
Darrick J. Wong <djwong at us dot ibm dot com> SEE ALSO
pwrkap_gtk(1), pwrkap_cli(1), pwrkap_aggregate(5), pwrkap_main(8) Linux January 2009 pwrkap_aggregate(8)
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