Distribute SSH-KEYS

Automated Script to Copy SSH-KEYS to multiple servers for passwordless authentication

#Script to copy SSH keys to the target servers Recursively It also sets the proper permissions on to the target directory

--Takes the serverlist file as inline argument

--Prompts for password and uses it for all the servers (Password will not be stored)

--The serverlist file should have IP/hostnames one per line

--No Trailing empty/carriage return line is accepted

--Script verifies for the existance of "id_rsa.pub" under /home/sysops/.ssh/

--and exits if no file detected

Pre-requisites

-- Need Open-SSH and sshpass installed

-- Need to have "id_rsa.pub" already generated

#How to use? (1) Install - "sudo apt-get install openssh-server sshpass"

(2) Login as required user

(3) Generate the kesy Use "ssh-keygen -t rsa" to generate ssh-keys

(4) Download the script - Go to /tmp/

(5) Set permissions - chmod +x copy_ssh_key.sh

(6) Make sure to have a file (ex - serverlist.txt) created and populated with all the IP/hostnames "one-per-line"

(7) Execute the script: ./copy_ssh_key.sh /path/to/serverlist.txt

(8) Follow the onscreen instructions

(9) Cheers...!!