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Operating Systems Linux Ubuntu Run a script at remote server without ssh password Post 302958630 by baris35 on Saturday 24th of October 2015 10:51:22 AM
Old 10-24-2015
Quote:
Originally Posted by gandolf989
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.


Hello,
After I enter those codes to local and remote servers, it asks again root password to establish an ssh connection. In server permit root login is prohibit. Could it be the reason?

Thanks in advance
Boris
 

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

NAME
ssh-copy-id - install your public key in a remote machine's authorized_keys SYNOPSIS
ssh-copy-id [-i [identity_file]] [user@]machine DESCRIPTION
ssh-copy-id is a script that uses ssh to log into a remote machine (presumably using a login password, so password authentication should be enabled, unless you've done some clever use of multiple identities) It also changes the permissions of the remote user's home, ~/.ssh, and ~/.ssh/authorized_keys to remove group writability (which would oth- erwise prevent you from logging in, if the remote sshd has StrictModes set in its configuration). If the -i option is given then the identity file (defaults to ~/.ssh/id_rsa.pub) is used, regardless of whether there are any keys in your ssh-agent. Otherwise, if this: ssh-add -L provides any output, it uses that in preference to the identity file. If the -i option is used, or the ssh-add produced no output, then it uses the contents of the identity file. Once it has one or more fin- gerprints (by whatever means) it uses ssh to append them to ~/.ssh/authorized_keys on the remote machine (creating the file, and directory, if necessary) SEE ALSO
ssh(1), ssh-agent(1), sshd(8) OpenSSH 14 November 1999 SSH-COPY-ID(1)
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