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Top Forums Shell Programming and Scripting How to connect unix server to unix server through shell scripts Post 302208047 by Smiling Dragon on Sunday 22nd of June 2008 10:41:01 PM
Old 06-22-2008
Java

You'll need to elaborate on what you are trying to do (eg Run commands on another server? Transfer a file? Check the status of another server?) but the basis would be as follows:
Code:
#!/bin/sh
desthostname=<where you are connecting to>
destusername=<username you are connecting as>
commandtorun=<command to run on the destination server>
ssh $destusername@$desthostname $commandtorun

Then (on the destination server) create an authorized keys file (~/.ssh/authorized_keys) containing the public ssh key found in your source server's ~/.ssh/id_dsa.pub (or something similar) file.

This will allow passwordless connection between the two users on the two servers.

This all assumes you are using ssh of course and that you are trying to run a command on teh remote host. Fill in more details if this is not the case.
 

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SSH-COPY-ID(1)						    BSD General Commands Manual 					    SSH-COPY-ID(1)

NAME
ssh-copy-id -- copy public keys to a remote host SYNOPSIS
ssh-copy-id [-lv] [-i keyfile] [-o option] [-p port] [user@]hostname DESCRIPTION
The ssh-copy-id utility copies public keys to a remote host's ~/.ssh/authorized_keys file (creating the file and directory, if required). The following options are available: -i file Copy the public key contained in file. This option can be specified multiple times and can be combined with the -l option. If a private key is specified and a public key is found then the public key will be used. -l Copy the keys currently held by ssh-agent(1). This is the default if the -i option was not specified. -o ssh-option Pass this option directly to ssh(1). This option can be specified multiple times. -p port Connect to the specified port on the remote host instead of the default. -v Pass -v to ssh(1). The remaining arguments are a list of remote hosts to connect to, each one optionally qualified by a user name. EXIT STATUS
The ssh-copy-id utility exits 0 on success, and >0 if an error occurs. EXAMPLES
To send a specific key to multiple hosts: $ ssh-copy-id -i /path/to/keyfile.pub user@host1 user@host2 user@host3 HISTORY
The ssh-copy-id utility was written by Eitan Adler <eadler@FreeBSD.org> as a drop-in replacement for an existing utility included with OpenSSH. BSD
February 28, 2014 BSD
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