Make Dir If Needed:

mkdir .ssh

cd Into To The Dir:

cd /.ssh

Copy And Paste The Public Key Into The Following File And Save:

nano ~/.ssh/authorized_keys

Now Let's Update The Config File And Save:

sudo nano /etc/ssh/sshd_config

Edit PasswordAuthentication Line By Removing "#" And Change Yes To No:

PasswordAuthentication no

Now Do A Reboot:

sudo reboot

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