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su example_user
cd ~
mkdir -p ~/.ssh && sudo chmod -R 700 ~/.ssh/
cd .ssh/
vim authorized_keys |
Make the root account not accessible for direct login and make the server accessible only through ssh key
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sudo vim /etc/ssh/sshd_config PermitRootLogin no PasswordAuthentication no |
Remove Password as a requirement to run sudo commands
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sudo visudo
%sudo ALL=(ALL) NOPASSWD:ALL |
Restart the ssh service for the changes to take affect
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