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Full Discussion: SSH on a Shell Script
Top Forums UNIX for Dummies Questions & Answers SSH on a Shell Script Post 302772742 by DGPickett on Tuesday 26th of February 2013 03:55:17 PM
Old 02-26-2013
Yes, we answer this a lot. To discourage scripting with a password, it is read from /dev/tty not stdin.
  1. You should set up PPKey authentication and not use a password. I think there are alternatives to RSA, some free. Why can't they turn it on? Confused security policy makers?
  2. If you are incurably into bad security, use expect to drive ssh so you can write a password from the script through expect's pseudo tty. You could also use 'ssh localhost' trusted PPKey to set up such an intermediate pseudo tty.
  3. You could set up reverse trust and have a process on their end connect to you: once connected, you can achieve the same thing.
  4. You could achieve the same result with another secure service, like https.
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SSH-ARGV0(1)						    BSD General Commands Manual 					      SSH-ARGV0(1)

NAME
ssh-argv0 -- replaces the old ssh command-name as hostname handling SYNOPSIS
hostname | user@hostname [-l login_name] [command] hostname | user@hostname [-afgknqstvxACNTX1246] [-b bind_address] [-c cipher_spec] [-e escape_char] [-i identity_file] [-l login_name] [-m mac_spec] [-o option] [-p port] [-F configfile] [-L port:host:hostport] [-R port:host:hostport] [-D port] [command] DESCRIPTION
ssh-argv0 replaces the old ssh command-name as hostname handling. If you link to this script with a hostname then executing the link is equivalent to having executed ssh with that hostname as an argument. All other arguments are passed to ssh and will be processed normally. OPTIONS
See ssh(1). FILES
See ssh(1). AUTHORS
OpenSSH is a derivative of the original and free ssh 1.2.12 release by Tatu Ylonen. Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos, Theo de Raadt and Dug Song removed many bugs, re-added newer features and created OpenSSH. Markus Friedl contributed the support for SSH protocol versions 1.5 and 2.0. Jonathan Amery wrote this ssh-argv0 script and the associated documentation. SEE ALSO
ssh(1) Debian Project September 7, 2001 Debian Project
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