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Full Discussion: Run a script at remote server without ssh password
Operating Systems Linux Ubuntu Run a script at remote server without ssh password Post 302943853 by gandolf989 on Wednesday 13th of May 2015 10:29:28 AM
Old 05-13-2015
There is really only a couple of steps:

on the local server do the following:
  1. mkdir ~.ssh
  2. chmod 750 ~
  3. chmod 700 ~/.ssh
  4. ssh-keygen -t rsa -b 2048
  5. cat id_rsa_<server_name>.pub

On the remote server do the following:
  1. mkdir ~.ssh
  2. chmod 750 ~
  3. chmod 700 ~/.ssh
  4. touch ~/.ssh/authorized_keys
  5. chmod 600 ~/.ssh/authorized_keys
  6. edit the ~/.ssh/authorized_keys and paste in the contents of the *.pub file from the local server

Then test to see if you can ssh from the local to the remote server without a password.
This User Gave Thanks to gandolf989 For This Post:
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LEARN ABOUT LINUX

ssh-import-lp-id

ssh-import-id(1)						    ssh-import							  ssh-import-id(1)

NAME

       ssh-import-id  -  retrieve one or more public keys from a public keyserver (Launchpad.net by default) and append them to the current user's
       authorized_keys file (or some other specified file)

SYNOPSIS

       ssh-import-id [options] USER_ID_1 [USER_ID_2] ... [USER_ID_n]

OPTIONS

	-h | --help	   usage
	-o | --output F    write output to file 'F' (default ~/.ssh/authorized_keys, use "-" for standard out)

DESCRIPTION

       This utility will securely contact a public keyserver (https://launchpad.net by default) and retrieve one or more user's public	keys,  and
       append these to the current user's ~/.ssh/authorized_keys file.

       The  system  administrator  can	change	the source URL used by ssh-import-id(1) by editing the configuration file, /etc/ssh/ssh_import_id,
       which is sourced to obtain the value of URL.  By default, URL="https://launchpad.net/~%s/+sshkeys".  Note that this url really  MUST  be  a
       secure,	https  url with a valid, signed certificate or else your system will be vulnerable to man-in-the-middle attacks!  The "%s" will be
       populated by ssh-import-id(1) with the value(s) of USER_ID_1 [USER_ID_2] ... [USER_ID_n].

SEE ALSO

       ssh(1)

FILES

       /etc/ssh/ssh_import_id

AUTHOR

       This manpage and the utility was written by Dustin Kirkland <kirkland@canonical.com> for Ubuntu systems (but may be used by others).   Per-
       mission	is  granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 3 published
       by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

ssh-import							    23 Feb 2010 						  ssh-import-id(1)
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