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Top Forums Shell Programming and Scripting A script to change password for all other servers Post 302992112 by drysdalk on Tuesday 21st of February 2017 03:54:03 PM
Old 02-21-2017
Hi,

That at least is easy to explain. You can't really 'comment out' input. So what is happening is that 'ssh' is attempting to connect to the hosts whose names start with a hash symbol, and DNS resolution is failing for what are invalid hostnames. If you want them not to be considered by the script, you'd have to remove them entirely. Commenting out only works in scripts, and not in the input files handled by scripts (unless you yourself write the appropriate code to handle that).

In terms of the part of the script that is hanging, it does seem it's something to do with the actual core 'passwd' section itself. Before digging any further: if you manually try to run echo -e "TestPW12345!\nTestPW12345!" | passwd mchavoshi on the target server yourself at a Bash prompt, and not as part of a script, does it actually work, or does it hang even when you run it yourself ?
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INSTALLSIEVE(1) 					      General Commands Manual						   INSTALLSIEVE(1)

 *

NAME
installsieve - user utility for managing sieve scripts SYNOPSIS
installsieve DESCRIPTION
installsieve is a utility that allows users to manage their sieve scripts kept on the server. OPTIONS
-v <name> View script with the given name. The script if retrieved sucessfully is output to standard output. -l List all of the scripts currently on the server. If one of the scripts is active a arrow is printed indicating that it is the active script. -p <port> Port to connect to. If left off this defaults to "sieve" as defined in /etc/services. -i <file> Install a file onto the server. If a script with the same name already exists on the server it is overwritten. Upon sucessfully putting the script on the server the script is set active. If <file> has the extension .script it is chopped when put on the server since sieve names may not contain a '.'. -a <name> Set <name> as the active script. The list of available names can be obtained from the '-l' option.. -d <name> Delete the sieve script on the server with <name>. -m <mechanism> Force installsieve to use <mechanism> for authentication. If not specified the strongest authentication mechanism is chosen. -g <name> Get the sieve script with <name> and save it to disk with a ".script" extension. If a file with that name already exists it is overwritten. -u <user> Userid/Authname to use for authentication; by default, the current user. CMU
Project Cyrus INSTALLSIEVE(1)
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