---

sudo chown siteuser:siteuser /home/siteuser/.ssh/authorized_keys
sudo chmod 700 /home/siteuser/.ssh
sudo chmod 600 /home/siteuser/.ssh/authorized_keys
sudo cat /home/siteuser/.ssh/authorized_keys
sudo stat -c '%U:%G %a %n' /home/siteuser/.ssh /home/siteuser/.ssh/authorized_keys
sudo sshd -t
sudo systemctl restart ssh