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Update README.md

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Tai 5 years ago committed by GitHub
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      initial ubuntu setup/README.md

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initial ubuntu setup/README.md
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@ -58,7 +58,7 @@ If you'd like to learn how to create an SSH key do so [here](https://github.com/
``` ```
sudo sed --in-place 's/^PermitRootLogin.*/PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config sudo sed --in-place 's/^PermitRootLogin.*/PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config
sudo sed --in-place 's/#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config sudo sed --in-place 's/#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config
systemctl restart sshd sudo systemctl restart sshd
``` ```
Using two sed commands above is the short way to disable root login. Using two sed commands above is the short way to disable root login.
To disable it manually you can just do `sudo nano /etc/ssh/sshd_config` find a line called PermitRootLogin modify it. To disable it manually you can just do `sudo nano /etc/ssh/sshd_config` find a line called PermitRootLogin modify it.

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