Sunday, 18 September 2016

How to disable the password using SSH



















1. using rsa algorithm

ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa 
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys


2. using dsa algorithm

ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa 

cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys


3. verify using below command

ssh localhost


4. If still asking the password again and again then remove existing data

rm -r ~/.ssh

5. After removing the existing data .. repeat step1 or step2






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