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Prohibit pasword authentication for sshd

· One min read

Make sure PasswordAuthentication is no in config files​

cat /etc/ssh/sshd_config | grep -i passwordauthentication
PasswordAuthentication no

cat /etc/ssh/sshd_config.d/50-cloud-init.conf | grep -i passwordauthentication
PasswordAuthentication no

Restart sshd​

sudo systemctl restart sshd