sudo firewall-cmd --state
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo systemctl mask --now firewalld
sudo firewall-cmd --state
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo systemctl mask --now firewalld
./ipswap.sh Old_IP New_IP for example: ./ipswap.sh 35.224.2.88 104.197.113.37