cat /ssh/key.pub > /root/.ssh/authorized_keys
echo 'HostKeyAlgorithms +ssh-rsa' >> /etc/ssh/sshd_config
echo 'PubkeyAcceptedKeyTypes +ssh-rsa' >> /etc/ssh/sshd_config
service ssh start
sed "s/\"server_port\": [0-9]\+/\"server_port\": $SSPORT/" /config.json > change_port
cat change_port > /config.json
/ssserver -v -d -c /config.json
tail -f /dev/null