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Operating Systems Linux Ubuntu Run a script at remote server without ssh password Post 302943840 by baris35 on Wednesday 13th of May 2015 09:12:08 AM
Old 05-13-2015
Run a script at remote server without ssh password

Hello,
What I want to do is to run a file on remote server by running a script at localhost but script should not ask ssh password of my remote server when script is executed.

Scenario1:
To copy files from server2 to data server:
Code:
$ scp -r root@server2_ip:/var/www/html/*.* /var/

When I enter above code, it asks for my server2 ssh password

Scenario2:
I want to run a script existing in server1 and it will be run at server2
Code:
$ ssh ./ex.bash server2_ip "bash -s -- '<--time bye>' '<end>'"

When I enter above code in terminal, it asks for my servers ssh password.

I want to run ssh or scp commands from a script via crontab, but don't know how the script will remember remote server's ssh password.

I tried different variations but no result.
Code:
root:sshpass@server2_ip:/path
root@sshpass:server2_ip:/path

How may I do this?

Thanks in advance
Boris

Last edited by rbatte1; 10-27-2015 at 05:37 AM.. Reason: Added CODE tags and spelling
 

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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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