SSH with private key authentication

How to Add ssh user on linux server ?

Ans:

You can use the putyykey generator and generate the ssh key for the user and copy into the local computer.You can download the puttykey generator from the URL http://the.earth.li/~sgtatham/putty/latest/x86/puttygen.exe

The following are the steps for creating ssh user with the authentication :-
#adduser test
#passwd test
#cd /home/test
#mkdir .ssh
#cd .ssh
#vi authorized_keys
In which file paste the generated key and save
Then add this user into wheel group
#vi /etc/group
Wheel:root,test
# vi /etc/sudoers
search the below line and remove comment.
===============================
# Same thing without a password
%wheel ALL=(ALL) NOPASSWD: ALL
===============================


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