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Full Discussion: Script to find Error: rpmdb open failed on list of servers
Top Forums Shell Programming and Scripting Script to find Error: rpmdb open failed on list of servers Post 303036308 by MadeInGermany on Saturday 22nd of June 2019 05:39:13 AM
Old 06-22-2019
For using the <( ) and >( ) process substitution, the OS must support Unix devices, and bash must be compiled to utilize it.
Obviously not true for your OS and bash.?
Code:
uname -sr
bash --version

The following pipes stderr (descriptor 2) to sed. But a pipe works with stdout (descriptor 1) only. Therfore, it swaps stdin and stdout before the pipe, and afterwards swaps them back.
Code:
#!/bin/bash
for server in server1 server2
do
  {
  ssh -x "$server" '
    echo "hello I am on `hostname`"
    sudo yum update infolist
  '  3>&2 2>&1 1>&3 | sed "s/^/$server: /" 
  } 3>&2 2>&1 1>&3
done 2>stderr

 

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LEARN ABOUT DEBIAN

slist

SLIST(1)							       slist								  SLIST(1)

NAME

       slist - Lists available NetWare Servers

SYNOPSIS

       slist [ pattern ]

DESCRIPTION

       slist lists all NetWare Servers available in your network.

       If slist does not print to a tty, the decorative header line is not printed, so that you can count the servers on your network by doing

       slist | wc -l

OPTIONS

       pattern
	  pattern is used to list only servers whose names match the specified pattern. For a server to be listed, the pattern must match the full
	  server name. You can use wildcards for the pattern, but you must protect these wildcards from any command  line  expansion  by  quoting.
	  Case doesn't matter.

EXAMPLE

       slist "I*"

       or

       slist "i*"
	      List all available Netware servers on your Network, that begin with an "I".

SEE ALSO

       ncpmount(8), ncpumount(8), pqlist(1), nprint(1)

CREDITS

       slist was written by Volker Lendecke (lendecke@math.uni-goettingen.de)

BUGS

       slist works only in IPX environment, as it uses SAP to find first server and then Bindery to get list of servers.

slist								    01/07/1996								  SLIST(1)
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