Directadmin面板更换授权IP的方法命令如下：

cd /usr/local/directadmin/scripts
./getLicense.sh 1234 56789

#1234 是你的 client ID number,  56789 是你的 license ID number.  


service directadmin restart
#或者
/etc/init.d/directadmin restart

./ipswap.sh 老IP 新IP
#切换到新IP


service httpd restart
service proftpd restart
service exim restart
service dovecot restart

#或者是
/etc/init.d/httpd restart
/etc/init.d/proftpd restart
/etc/init.d/exim restart
/etc/init.d/dovecot restart

参考自官网：https://help.directadmin.com/item.php?id=250