mkdir -p ~/.ssh
curl -fsSL https://github.com/GITHUB用户名.keys >> ~/.ssh/authorized_keys
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
cp /etc/ssh/sshd_config /etc/ssh/sshd_config_bak
sudo sed -i “s@.*\(PasswordAuthentication \).*@\1no@” /etc/ssh/sshd_config
sudo service sshd restart
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