check the firewall status in linux code example
Example 1: RHEL check the firewall status
[root@rhel7 ~]# systemctl enable firewalldExample 2: RHEL check the firewall status
[root@rhel7 ~]# systemctl disable firewalld[root@rhel7 ~]# systemctl enable firewalld[root@rhel7 ~]# systemctl disable firewalld