Showing posts with label Server To Server Password less connectivity setup. Show all posts
Showing posts with label Server To Server Password less connectivity setup. Show all posts

Wednesday, October 3, 2018

Server To Server Password less connectivity setup

Server To Server Password less connectivity setup
Here I have below two server

First Server :-192.168.2.100
Second Server :-192.168.2.101

I need password less connectivity from "First Server" to "Second Server".

Login to First Server (192.168.2.100) and perform below steps

Step 1: Create Authentication SSH-Kegen Keys on First Server

ssh-keygen -t rsa


Step 2: Create .ssh Directory on Second Server from First server

ssh user@192.168.2.101 mkdir -p .ssh

Step 3: Upload Generated Public Keys on Second Server from First Server

cat .ssh/id_rsa.pub | ssh user@192.168.2.101 'cat >> .ssh/authorized_keys'

Step 4: Set Permissions on Key File on Second Server from First Server

ssh user@192.168.2.101 "chmod 700 .ssh; chmod 640 .ssh/authorized_keys"

Remove CTRL-M characters from a file in UNIX

 We can remove ^M by below methods 1st Method - Using sed command Type below command:    sed -e "s/^M//" filename > newfilena...