- systemctl start rc-local
- sed -i 's/^\s*PasswordAuthentication\s\+no/PasswordAuthentication yes/' /etc/ssh/sshd_config
- sed -i 's/#UseDNS yes/UseDNS no/' /etc/ssh/sshd_config
- systemctl start rc-local
- sed -i 's/^\s*PasswordAuthentication\s\+no/PasswordAuthentication yes/' /etc/ssh/sshd_config
- sed -i 's/#UseDNS yes/UseDNS no/' /etc/ssh/sshd_config