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Top Forums Shell Programming and Scripting Script to find Error: rpmdb open failed on list of servers Post 303036266 by MadeInGermany on Friday 21st of June 2019 05:55:57 AM
Old 06-21-2019
You can use a for loop and process substitution and some descriptor magic:
Code:
#!/bin/bash
for server in server1 server2
do
  ssh -x "$server" '
    echo "hello I am on `hostname`"
    sudo yum update infolist
  ' 2> >(sed "s/^/$server: /" >&3)
done 3>stderr

The stderr output goes to the file stderr, filtered by sed.
The sed prepends $server: to every stderr line. It can also prepend it once:
Code:
for server in server1 server2
do
  ssh -x "$server" '
    echo "hello I am on `hostname`"
    sudo yum update infolist
  ' 2> >(sed "1i\\
$server:" >&3)
done 3>stderr

 

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mtailrc(5)							   User Manuals 							mtailrc(5)

NAME
mtailrc - Configuration file for monkeytail DESCRIPTION
A monkeytail configuration uses Apache-style syntax to declare "groups" of files to be tailed. Best explained with an example: <group testgroup> prefix 'server2: ' sudo yes <file> filename /var/log/apache2/access.log prefix 'server1: ' host server1.example.com </file> <file> filename /var/log/apache2/access.log host server2.example.com sudo no </file> </group> OPTIONS
All options can be either put inside a group or file block. Options inside a file block override those in the group block. filename filename filename defines the filename for this block. host remote-host (optional) host defines that this block's file is to be tailed on a remote server. sudo yes|no|1|0 sudo is a boolean specifying whether this file should be tailed as root. This option is supported for both local and remote files (in both cases you will potentially be prompted for your password). prefix "string: " prefix allows you to specify a short string that will be prepended to every line that is displayed for that given file. FILES
~/.mtailrc - user specific monkeytail config SEE ALSO
mtail(1), tail(1) AUTHOR
Martyn Smith <martyn@dollyfish.net.nz> mtail May 2008 mtailrc(5)
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